1936 lines
49 KiB
C++
1936 lines
49 KiB
C++
#include <QGuiApplication>
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#include <QMouseEvent>
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#include <algorithm>
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#include <cmath>
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#include <string>
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#include <graphics/vec4.h>
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#include <graphics/matrix4.h>
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#include "window-basic-preview.hpp"
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#include "window-basic-main.hpp"
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#include "obs-app.hpp"
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#include "platform.hpp"
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#define HANDLE_RADIUS 4.0f
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#define HANDLE_SEL_RADIUS (HANDLE_RADIUS * 1.5f)
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#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
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#define SUPPORTS_FRACTIONAL_SCALING
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#endif
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/* TODO: make C++ math classes and clean up code here later */
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OBSBasicPreview::OBSBasicPreview(QWidget *parent, Qt::WindowFlags flags)
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: OBSQTDisplay(parent, flags)
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{
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ResetScrollingOffset();
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setMouseTracking(true);
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}
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OBSBasicPreview::~OBSBasicPreview()
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{
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obs_enter_graphics();
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if (overflow)
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gs_texture_destroy(overflow);
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if (rectFill)
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gs_vertexbuffer_destroy(rectFill);
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obs_leave_graphics();
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}
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vec2 OBSBasicPreview::GetMouseEventPos(QMouseEvent *event)
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{
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OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
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#ifdef SUPPORTS_FRACTIONAL_SCALING
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float pixelRatio = main->devicePixelRatioF();
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#else
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float pixelRatio = main->devicePixelRatio();
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#endif
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float scale = pixelRatio / main->previewScale;
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vec2 pos;
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vec2_set(&pos,
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(float(event->x()) - main->previewX / pixelRatio) * scale,
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(float(event->y()) - main->previewY / pixelRatio) * scale);
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return pos;
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}
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struct SceneFindData {
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const vec2 &pos;
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OBSSceneItem item;
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bool selectBelow;
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obs_sceneitem_t *group = nullptr;
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SceneFindData(const SceneFindData &) = delete;
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SceneFindData(SceneFindData &&) = delete;
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SceneFindData &operator=(const SceneFindData &) = delete;
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SceneFindData &operator=(SceneFindData &&) = delete;
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inline SceneFindData(const vec2 &pos_, bool selectBelow_)
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: pos(pos_), selectBelow(selectBelow_)
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{
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}
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};
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struct SceneFindBoxData {
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const vec2 &startPos;
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const vec2 &pos;
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std::vector<obs_sceneitem_t *> sceneItems;
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SceneFindBoxData(const SceneFindData &) = delete;
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SceneFindBoxData(SceneFindData &&) = delete;
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SceneFindBoxData &operator=(const SceneFindData &) = delete;
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SceneFindBoxData &operator=(SceneFindData &&) = delete;
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inline SceneFindBoxData(const vec2 &startPos_, const vec2 &pos_)
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: startPos(startPos_), pos(pos_)
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{
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}
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};
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static bool SceneItemHasVideo(obs_sceneitem_t *item)
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{
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obs_source_t *source = obs_sceneitem_get_source(item);
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uint32_t flags = obs_source_get_output_flags(source);
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return (flags & OBS_SOURCE_VIDEO) != 0;
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}
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static bool CloseFloat(float a, float b, float epsilon = 0.01)
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{
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using std::abs;
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return abs(a - b) <= epsilon;
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}
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static bool FindItemAtPos(obs_scene_t *scene, obs_sceneitem_t *item,
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void *param)
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{
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SceneFindData *data = reinterpret_cast<SceneFindData *>(param);
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matrix4 transform;
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matrix4 invTransform;
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vec3 transformedPos;
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vec3 pos3;
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vec3 pos3_;
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if (!SceneItemHasVideo(item))
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return true;
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if (obs_sceneitem_locked(item))
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return true;
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vec3_set(&pos3, data->pos.x, data->pos.y, 0.0f);
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obs_sceneitem_get_box_transform(item, &transform);
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matrix4_inv(&invTransform, &transform);
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vec3_transform(&transformedPos, &pos3, &invTransform);
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vec3_transform(&pos3_, &transformedPos, &transform);
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if (CloseFloat(pos3.x, pos3_.x) && CloseFloat(pos3.y, pos3_.y) &&
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transformedPos.x >= 0.0f && transformedPos.x <= 1.0f &&
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transformedPos.y >= 0.0f && transformedPos.y <= 1.0f) {
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if (data->selectBelow && obs_sceneitem_selected(item)) {
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if (data->item)
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return false;
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else
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data->selectBelow = false;
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}
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data->item = item;
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}
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UNUSED_PARAMETER(scene);
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return true;
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}
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static vec3 GetTransformedPos(float x, float y, const matrix4 &mat)
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{
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vec3 result;
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vec3_set(&result, x, y, 0.0f);
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vec3_transform(&result, &result, &mat);
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return result;
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}
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static inline vec2 GetOBSScreenSize()
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{
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obs_video_info ovi;
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vec2 size;
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vec2_zero(&size);
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if (obs_get_video_info(&ovi)) {
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size.x = float(ovi.base_width);
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size.y = float(ovi.base_height);
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}
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return size;
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}
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vec3 OBSBasicPreview::GetSnapOffset(const vec3 &tl, const vec3 &br)
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{
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OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
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vec2 screenSize = GetOBSScreenSize();
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vec3 clampOffset;
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vec3_zero(&clampOffset);
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const bool snap = config_get_bool(GetGlobalConfig(), "BasicWindow",
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"SnappingEnabled");
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if (snap == false)
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return clampOffset;
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const bool screenSnap = config_get_bool(
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GetGlobalConfig(), "BasicWindow", "ScreenSnapping");
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const bool centerSnap = config_get_bool(
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GetGlobalConfig(), "BasicWindow", "CenterSnapping");
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const float clampDist = config_get_double(GetGlobalConfig(),
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"BasicWindow",
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"SnapDistance") /
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main->previewScale;
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const float centerX = br.x - (br.x - tl.x) / 2.0f;
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const float centerY = br.y - (br.y - tl.y) / 2.0f;
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// Left screen edge.
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if (screenSnap && fabsf(tl.x) < clampDist)
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clampOffset.x = -tl.x;
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// Right screen edge.
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if (screenSnap && fabsf(clampOffset.x) < EPSILON &&
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fabsf(screenSize.x - br.x) < clampDist)
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clampOffset.x = screenSize.x - br.x;
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// Horizontal center.
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if (centerSnap && fabsf(screenSize.x - (br.x - tl.x)) > clampDist &&
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fabsf(screenSize.x / 2.0f - centerX) < clampDist)
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clampOffset.x = screenSize.x / 2.0f - centerX;
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// Top screen edge.
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if (screenSnap && fabsf(tl.y) < clampDist)
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clampOffset.y = -tl.y;
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// Bottom screen edge.
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if (screenSnap && fabsf(clampOffset.y) < EPSILON &&
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fabsf(screenSize.y - br.y) < clampDist)
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clampOffset.y = screenSize.y - br.y;
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// Vertical center.
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if (centerSnap && fabsf(screenSize.y - (br.y - tl.y)) > clampDist &&
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fabsf(screenSize.y / 2.0f - centerY) < clampDist)
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clampOffset.y = screenSize.y / 2.0f - centerY;
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return clampOffset;
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}
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OBSSceneItem OBSBasicPreview::GetItemAtPos(const vec2 &pos, bool selectBelow)
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{
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OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
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OBSScene scene = main->GetCurrentScene();
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if (!scene)
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return OBSSceneItem();
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SceneFindData data(pos, selectBelow);
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obs_scene_enum_items(scene, FindItemAtPos, &data);
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return data.item;
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}
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static bool CheckItemSelected(obs_scene_t *scene, obs_sceneitem_t *item,
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void *param)
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{
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SceneFindData *data = reinterpret_cast<SceneFindData *>(param);
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matrix4 transform;
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vec3 transformedPos;
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vec3 pos3;
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if (!SceneItemHasVideo(item))
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return true;
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if (obs_sceneitem_is_group(item)) {
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data->group = item;
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obs_sceneitem_group_enum_items(item, CheckItemSelected, param);
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data->group = nullptr;
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if (data->item) {
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return false;
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}
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}
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vec3_set(&pos3, data->pos.x, data->pos.y, 0.0f);
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obs_sceneitem_get_box_transform(item, &transform);
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if (data->group) {
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matrix4 parent_transform;
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obs_sceneitem_get_draw_transform(data->group,
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&parent_transform);
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matrix4_mul(&transform, &transform, &parent_transform);
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}
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matrix4_inv(&transform, &transform);
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vec3_transform(&transformedPos, &pos3, &transform);
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if (transformedPos.x >= 0.0f && transformedPos.x <= 1.0f &&
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transformedPos.y >= 0.0f && transformedPos.y <= 1.0f) {
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if (obs_sceneitem_selected(item)) {
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data->item = item;
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return false;
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}
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}
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UNUSED_PARAMETER(scene);
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return true;
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}
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bool OBSBasicPreview::SelectedAtPos(const vec2 &pos)
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{
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OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
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OBSScene scene = main->GetCurrentScene();
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if (!scene)
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return false;
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SceneFindData data(pos, false);
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obs_scene_enum_items(scene, CheckItemSelected, &data);
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return !!data.item;
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}
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struct HandleFindData {
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const vec2 &pos;
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const float radius;
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matrix4 parent_xform;
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OBSSceneItem item;
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ItemHandle handle = ItemHandle::None;
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HandleFindData(const HandleFindData &) = delete;
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HandleFindData(HandleFindData &&) = delete;
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HandleFindData &operator=(const HandleFindData &) = delete;
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HandleFindData &operator=(HandleFindData &&) = delete;
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inline HandleFindData(const vec2 &pos_, float scale)
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: pos(pos_), radius(HANDLE_SEL_RADIUS / scale)
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{
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matrix4_identity(&parent_xform);
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}
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inline HandleFindData(const HandleFindData &hfd,
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obs_sceneitem_t *parent)
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: pos(hfd.pos),
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radius(hfd.radius),
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item(hfd.item),
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handle(hfd.handle)
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{
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obs_sceneitem_get_draw_transform(parent, &parent_xform);
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}
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};
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static bool FindHandleAtPos(obs_scene_t *scene, obs_sceneitem_t *item,
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void *param)
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{
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HandleFindData &data = *reinterpret_cast<HandleFindData *>(param);
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if (!obs_sceneitem_selected(item)) {
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if (obs_sceneitem_is_group(item)) {
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HandleFindData newData(data, item);
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obs_sceneitem_group_enum_items(item, FindHandleAtPos,
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&newData);
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data.item = newData.item;
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data.handle = newData.handle;
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}
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return true;
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}
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matrix4 transform;
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vec3 pos3;
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float closestHandle = data.radius;
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vec3_set(&pos3, data.pos.x, data.pos.y, 0.0f);
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obs_sceneitem_get_box_transform(item, &transform);
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auto TestHandle = [&](float x, float y, ItemHandle handle) {
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vec3 handlePos = GetTransformedPos(x, y, transform);
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vec3_transform(&handlePos, &handlePos, &data.parent_xform);
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float dist = vec3_dist(&handlePos, &pos3);
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if (dist < data.radius) {
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if (dist < closestHandle) {
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closestHandle = dist;
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data.handle = handle;
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data.item = item;
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}
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}
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};
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TestHandle(0.0f, 0.0f, ItemHandle::TopLeft);
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TestHandle(0.5f, 0.0f, ItemHandle::TopCenter);
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TestHandle(1.0f, 0.0f, ItemHandle::TopRight);
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TestHandle(0.0f, 0.5f, ItemHandle::CenterLeft);
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TestHandle(1.0f, 0.5f, ItemHandle::CenterRight);
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TestHandle(0.0f, 1.0f, ItemHandle::BottomLeft);
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TestHandle(0.5f, 1.0f, ItemHandle::BottomCenter);
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TestHandle(1.0f, 1.0f, ItemHandle::BottomRight);
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UNUSED_PARAMETER(scene);
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return true;
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}
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static vec2 GetItemSize(obs_sceneitem_t *item)
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{
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obs_bounds_type boundsType = obs_sceneitem_get_bounds_type(item);
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vec2 size;
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if (boundsType != OBS_BOUNDS_NONE) {
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obs_sceneitem_get_bounds(item, &size);
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} else {
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obs_source_t *source = obs_sceneitem_get_source(item);
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obs_sceneitem_crop crop;
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vec2 scale;
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obs_sceneitem_get_scale(item, &scale);
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obs_sceneitem_get_crop(item, &crop);
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size.x = float(obs_source_get_width(source) - crop.left -
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crop.right) *
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scale.x;
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size.y = float(obs_source_get_height(source) - crop.top -
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crop.bottom) *
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scale.y;
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}
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return size;
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}
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void OBSBasicPreview::GetStretchHandleData(const vec2 &pos)
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{
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OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
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OBSScene scene = main->GetCurrentScene();
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if (!scene)
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return;
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#ifdef SUPPORTS_FRACTIONAL_SCALING
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float scale = main->previewScale / main->devicePixelRatioF();
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#else
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float scale = main->previewScale / main->devicePixelRatio();
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#endif
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vec2 scaled_pos = pos;
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vec2_divf(&scaled_pos, &scaled_pos, scale);
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HandleFindData data(scaled_pos, scale);
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obs_scene_enum_items(scene, FindHandleAtPos, &data);
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stretchItem = std::move(data.item);
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stretchHandle = data.handle;
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if (stretchHandle != ItemHandle::None) {
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matrix4 boxTransform;
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vec3 itemUL;
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float itemRot;
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stretchItemSize = GetItemSize(stretchItem);
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obs_sceneitem_get_box_transform(stretchItem, &boxTransform);
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itemRot = obs_sceneitem_get_rot(stretchItem);
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vec3_from_vec4(&itemUL, &boxTransform.t);
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/* build the item space conversion matrices */
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matrix4_identity(&itemToScreen);
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matrix4_rotate_aa4f(&itemToScreen, &itemToScreen, 0.0f, 0.0f,
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1.0f, RAD(itemRot));
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matrix4_translate3f(&itemToScreen, &itemToScreen, itemUL.x,
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itemUL.y, 0.0f);
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matrix4_identity(&screenToItem);
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matrix4_translate3f(&screenToItem, &screenToItem, -itemUL.x,
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-itemUL.y, 0.0f);
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matrix4_rotate_aa4f(&screenToItem, &screenToItem, 0.0f, 0.0f,
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1.0f, RAD(-itemRot));
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obs_sceneitem_get_crop(stretchItem, &startCrop);
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obs_sceneitem_get_pos(stretchItem, &startItemPos);
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obs_source_t *source = obs_sceneitem_get_source(stretchItem);
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cropSize.x = float(obs_source_get_width(source) -
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startCrop.left - startCrop.right);
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cropSize.y = float(obs_source_get_height(source) -
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startCrop.top - startCrop.bottom);
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stretchGroup = obs_sceneitem_get_group(scene, stretchItem);
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if (stretchGroup) {
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obs_sceneitem_get_draw_transform(stretchGroup,
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&invGroupTransform);
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matrix4_inv(&invGroupTransform, &invGroupTransform);
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obs_sceneitem_defer_group_resize_begin(stretchGroup);
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}
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}
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}
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void OBSBasicPreview::keyPressEvent(QKeyEvent *event)
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{
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if (!IsFixedScaling() || event->isAutoRepeat()) {
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OBSQTDisplay::keyPressEvent(event);
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return;
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}
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switch (event->key()) {
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case Qt::Key_Space:
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setCursor(Qt::OpenHandCursor);
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scrollMode = true;
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break;
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}
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OBSQTDisplay::keyPressEvent(event);
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}
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void OBSBasicPreview::keyReleaseEvent(QKeyEvent *event)
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{
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if (event->isAutoRepeat()) {
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OBSQTDisplay::keyReleaseEvent(event);
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return;
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}
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switch (event->key()) {
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case Qt::Key_Space:
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scrollMode = false;
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setCursor(Qt::ArrowCursor);
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break;
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}
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OBSQTDisplay::keyReleaseEvent(event);
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}
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void OBSBasicPreview::wheelEvent(QWheelEvent *event)
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{
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if (scrollMode && IsFixedScaling() &&
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event->orientation() == Qt::Vertical) {
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if (event->delta() > 0)
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SetScalingLevel(scalingLevel + 1);
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else if (event->delta() < 0)
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SetScalingLevel(scalingLevel - 1);
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emit DisplayResized();
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}
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OBSQTDisplay::wheelEvent(event);
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}
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void OBSBasicPreview::mousePressEvent(QMouseEvent *event)
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{
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if (scrollMode && IsFixedScaling() &&
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event->button() == Qt::LeftButton) {
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setCursor(Qt::ClosedHandCursor);
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scrollingFrom.x = event->x();
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scrollingFrom.y = event->y();
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return;
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}
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if (event->button() == Qt::RightButton) {
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scrollMode = false;
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setCursor(Qt::ArrowCursor);
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}
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|
|
if (locked) {
|
|
OBSQTDisplay::mousePressEvent(event);
|
|
return;
|
|
}
|
|
|
|
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
|
|
#ifdef SUPPORTS_FRACTIONAL_SCALING
|
|
float pixelRatio = main->devicePixelRatioF();
|
|
#else
|
|
float pixelRatio = main->devicePixelRatio();
|
|
#endif
|
|
float x = float(event->x()) - main->previewX / pixelRatio;
|
|
float y = float(event->y()) - main->previewY / pixelRatio;
|
|
Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers();
|
|
bool altDown = (modifiers & Qt::AltModifier);
|
|
bool shiftDown = (modifiers & Qt::ShiftModifier);
|
|
bool ctrlDown = (modifiers & Qt::ControlModifier);
|
|
|
|
OBSQTDisplay::mousePressEvent(event);
|
|
|
|
if (event->button() != Qt::LeftButton &&
|
|
event->button() != Qt::RightButton)
|
|
return;
|
|
|
|
if (event->button() == Qt::LeftButton)
|
|
mouseDown = true;
|
|
|
|
{
|
|
std::lock_guard<std::mutex> lock(selectMutex);
|
|
selectedItems.clear();
|
|
}
|
|
|
|
if (altDown)
|
|
cropping = true;
|
|
|
|
if (altDown || shiftDown || ctrlDown) {
|
|
vec2 s;
|
|
SceneFindBoxData data(s, s);
|
|
|
|
obs_scene_enum_items(main->GetCurrentScene(), FindSelected,
|
|
&data);
|
|
|
|
std::lock_guard<std::mutex> lock(selectMutex);
|
|
selectedItems = data.sceneItems;
|
|
}
|
|
|
|
vec2_set(&startPos, x, y);
|
|
GetStretchHandleData(startPos);
|
|
|
|
vec2_divf(&startPos, &startPos, main->previewScale / pixelRatio);
|
|
startPos.x = std::round(startPos.x);
|
|
startPos.y = std::round(startPos.y);
|
|
|
|
mouseOverItems = SelectedAtPos(startPos);
|
|
vec2_zero(&lastMoveOffset);
|
|
|
|
mousePos = startPos;
|
|
}
|
|
|
|
static bool select_one(obs_scene_t *scene, obs_sceneitem_t *item, void *param)
|
|
{
|
|
obs_sceneitem_t *selectedItem =
|
|
reinterpret_cast<obs_sceneitem_t *>(param);
|
|
if (obs_sceneitem_is_group(item))
|
|
obs_sceneitem_group_enum_items(item, select_one, param);
|
|
|
|
obs_sceneitem_select(item, (selectedItem == item));
|
|
|
|
UNUSED_PARAMETER(scene);
|
|
return true;
|
|
}
|
|
|
|
void OBSBasicPreview::DoSelect(const vec2 &pos)
|
|
{
|
|
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
|
|
|
|
OBSScene scene = main->GetCurrentScene();
|
|
OBSSceneItem item = GetItemAtPos(pos, true);
|
|
|
|
obs_scene_enum_items(scene, select_one, (obs_sceneitem_t *)item);
|
|
}
|
|
|
|
void OBSBasicPreview::DoCtrlSelect(const vec2 &pos)
|
|
{
|
|
OBSSceneItem item = GetItemAtPos(pos, false);
|
|
if (!item)
|
|
return;
|
|
|
|
bool selected = obs_sceneitem_selected(item);
|
|
obs_sceneitem_select(item, !selected);
|
|
}
|
|
|
|
void OBSBasicPreview::ProcessClick(const vec2 &pos)
|
|
{
|
|
Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers();
|
|
|
|
if (modifiers & Qt::ControlModifier)
|
|
DoCtrlSelect(pos);
|
|
else
|
|
DoSelect(pos);
|
|
}
|
|
|
|
void OBSBasicPreview::mouseReleaseEvent(QMouseEvent *event)
|
|
{
|
|
if (scrollMode)
|
|
setCursor(Qt::OpenHandCursor);
|
|
|
|
if (locked) {
|
|
OBSQTDisplay::mouseReleaseEvent(event);
|
|
return;
|
|
}
|
|
|
|
if (mouseDown) {
|
|
vec2 pos = GetMouseEventPos(event);
|
|
|
|
if (!mouseMoved)
|
|
ProcessClick(pos);
|
|
|
|
if (selectionBox) {
|
|
Qt::KeyboardModifiers modifiers =
|
|
QGuiApplication::keyboardModifiers();
|
|
|
|
bool altDown = modifiers & Qt::AltModifier;
|
|
bool shiftDown = modifiers & Qt::ShiftModifier;
|
|
bool ctrlDown = modifiers & Qt::ControlModifier;
|
|
|
|
std::lock_guard<std::mutex> lock(selectMutex);
|
|
if (altDown || ctrlDown || shiftDown) {
|
|
for (size_t i = 0; i < selectedItems.size();
|
|
i++) {
|
|
obs_sceneitem_select(selectedItems[i],
|
|
true);
|
|
}
|
|
}
|
|
|
|
for (size_t i = 0; i < hoveredPreviewItems.size();
|
|
i++) {
|
|
bool select = true;
|
|
obs_sceneitem_t *item = hoveredPreviewItems[i];
|
|
|
|
if (altDown) {
|
|
select = false;
|
|
} else if (ctrlDown) {
|
|
select = !obs_sceneitem_selected(item);
|
|
}
|
|
|
|
obs_sceneitem_select(hoveredPreviewItems[i],
|
|
select);
|
|
}
|
|
}
|
|
|
|
if (stretchGroup) {
|
|
obs_sceneitem_defer_group_resize_end(stretchGroup);
|
|
}
|
|
|
|
stretchItem = nullptr;
|
|
stretchGroup = nullptr;
|
|
mouseDown = false;
|
|
mouseMoved = false;
|
|
cropping = false;
|
|
selectionBox = false;
|
|
|
|
OBSSceneItem item = GetItemAtPos(pos, true);
|
|
|
|
std::lock_guard<std::mutex> lock(selectMutex);
|
|
hoveredPreviewItems.clear();
|
|
hoveredPreviewItems.push_back(item);
|
|
selectedItems.clear();
|
|
}
|
|
}
|
|
|
|
struct SelectedItemBounds {
|
|
bool first = true;
|
|
vec3 tl, br;
|
|
};
|
|
|
|
static bool AddItemBounds(obs_scene_t *scene, obs_sceneitem_t *item,
|
|
void *param)
|
|
{
|
|
SelectedItemBounds *data =
|
|
reinterpret_cast<SelectedItemBounds *>(param);
|
|
vec3 t[4];
|
|
|
|
auto add_bounds = [data, &t]() {
|
|
for (const vec3 &v : t) {
|
|
if (data->first) {
|
|
vec3_copy(&data->tl, &v);
|
|
vec3_copy(&data->br, &v);
|
|
data->first = false;
|
|
} else {
|
|
vec3_min(&data->tl, &data->tl, &v);
|
|
vec3_max(&data->br, &data->br, &v);
|
|
}
|
|
}
|
|
};
|
|
|
|
if (obs_sceneitem_is_group(item)) {
|
|
SelectedItemBounds sib;
|
|
obs_sceneitem_group_enum_items(item, AddItemBounds, &sib);
|
|
|
|
if (!sib.first) {
|
|
matrix4 xform;
|
|
obs_sceneitem_get_draw_transform(item, &xform);
|
|
|
|
vec3_set(&t[0], sib.tl.x, sib.tl.y, 0.0f);
|
|
vec3_set(&t[1], sib.tl.x, sib.br.y, 0.0f);
|
|
vec3_set(&t[2], sib.br.x, sib.tl.y, 0.0f);
|
|
vec3_set(&t[3], sib.br.x, sib.br.y, 0.0f);
|
|
vec3_transform(&t[0], &t[0], &xform);
|
|
vec3_transform(&t[1], &t[1], &xform);
|
|
vec3_transform(&t[2], &t[2], &xform);
|
|
vec3_transform(&t[3], &t[3], &xform);
|
|
add_bounds();
|
|
}
|
|
}
|
|
if (!obs_sceneitem_selected(item))
|
|
return true;
|
|
|
|
matrix4 boxTransform;
|
|
obs_sceneitem_get_box_transform(item, &boxTransform);
|
|
|
|
t[0] = GetTransformedPos(0.0f, 0.0f, boxTransform);
|
|
t[1] = GetTransformedPos(1.0f, 0.0f, boxTransform);
|
|
t[2] = GetTransformedPos(0.0f, 1.0f, boxTransform);
|
|
t[3] = GetTransformedPos(1.0f, 1.0f, boxTransform);
|
|
add_bounds();
|
|
|
|
UNUSED_PARAMETER(scene);
|
|
return true;
|
|
}
|
|
|
|
struct OffsetData {
|
|
float clampDist;
|
|
vec3 tl, br, offset;
|
|
};
|
|
|
|
static bool GetSourceSnapOffset(obs_scene_t *scene, obs_sceneitem_t *item,
|
|
void *param)
|
|
{
|
|
OffsetData *data = reinterpret_cast<OffsetData *>(param);
|
|
|
|
if (obs_sceneitem_selected(item))
|
|
return true;
|
|
|
|
matrix4 boxTransform;
|
|
obs_sceneitem_get_box_transform(item, &boxTransform);
|
|
|
|
vec3 t[4] = {GetTransformedPos(0.0f, 0.0f, boxTransform),
|
|
GetTransformedPos(1.0f, 0.0f, boxTransform),
|
|
GetTransformedPos(0.0f, 1.0f, boxTransform),
|
|
GetTransformedPos(1.0f, 1.0f, boxTransform)};
|
|
|
|
bool first = true;
|
|
vec3 tl, br;
|
|
vec3_zero(&tl);
|
|
vec3_zero(&br);
|
|
for (const vec3 &v : t) {
|
|
if (first) {
|
|
vec3_copy(&tl, &v);
|
|
vec3_copy(&br, &v);
|
|
first = false;
|
|
} else {
|
|
vec3_min(&tl, &tl, &v);
|
|
vec3_max(&br, &br, &v);
|
|
}
|
|
}
|
|
|
|
// Snap to other source edges
|
|
#define EDGE_SNAP(l, r, x, y) \
|
|
do { \
|
|
double dist = fabsf(l.x - data->r.x); \
|
|
if (dist < data->clampDist && \
|
|
fabsf(data->offset.x) < EPSILON && data->tl.y < br.y && \
|
|
data->br.y > tl.y && \
|
|
(fabsf(data->offset.x) > dist || \
|
|
data->offset.x < EPSILON)) \
|
|
data->offset.x = l.x - data->r.x; \
|
|
} while (false)
|
|
|
|
EDGE_SNAP(tl, br, x, y);
|
|
EDGE_SNAP(tl, br, y, x);
|
|
EDGE_SNAP(br, tl, x, y);
|
|
EDGE_SNAP(br, tl, y, x);
|
|
#undef EDGE_SNAP
|
|
|
|
UNUSED_PARAMETER(scene);
|
|
return true;
|
|
}
|
|
|
|
void OBSBasicPreview::SnapItemMovement(vec2 &offset)
|
|
{
|
|
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
|
|
OBSScene scene = main->GetCurrentScene();
|
|
|
|
SelectedItemBounds data;
|
|
obs_scene_enum_items(scene, AddItemBounds, &data);
|
|
|
|
data.tl.x += offset.x;
|
|
data.tl.y += offset.y;
|
|
data.br.x += offset.x;
|
|
data.br.y += offset.y;
|
|
|
|
vec3 snapOffset = GetSnapOffset(data.tl, data.br);
|
|
|
|
const bool snap = config_get_bool(GetGlobalConfig(), "BasicWindow",
|
|
"SnappingEnabled");
|
|
const bool sourcesSnap = config_get_bool(
|
|
GetGlobalConfig(), "BasicWindow", "SourceSnapping");
|
|
if (snap == false)
|
|
return;
|
|
if (sourcesSnap == false) {
|
|
offset.x += snapOffset.x;
|
|
offset.y += snapOffset.y;
|
|
return;
|
|
}
|
|
|
|
const float clampDist = config_get_double(GetGlobalConfig(),
|
|
"BasicWindow",
|
|
"SnapDistance") /
|
|
main->previewScale;
|
|
|
|
OffsetData offsetData;
|
|
offsetData.clampDist = clampDist;
|
|
offsetData.tl = data.tl;
|
|
offsetData.br = data.br;
|
|
vec3_copy(&offsetData.offset, &snapOffset);
|
|
|
|
obs_scene_enum_items(scene, GetSourceSnapOffset, &offsetData);
|
|
|
|
if (fabsf(offsetData.offset.x) > EPSILON ||
|
|
fabsf(offsetData.offset.y) > EPSILON) {
|
|
offset.x += offsetData.offset.x;
|
|
offset.y += offsetData.offset.y;
|
|
} else {
|
|
offset.x += snapOffset.x;
|
|
offset.y += snapOffset.y;
|
|
}
|
|
}
|
|
|
|
static bool move_items(obs_scene_t *scene, obs_sceneitem_t *item, void *param)
|
|
{
|
|
if (obs_sceneitem_locked(item))
|
|
return true;
|
|
|
|
bool selected = obs_sceneitem_selected(item);
|
|
vec2 *offset = reinterpret_cast<vec2 *>(param);
|
|
|
|
if (obs_sceneitem_is_group(item) && !selected) {
|
|
matrix4 transform;
|
|
vec3 new_offset;
|
|
vec3_set(&new_offset, offset->x, offset->y, 0.0f);
|
|
|
|
obs_sceneitem_get_draw_transform(item, &transform);
|
|
vec4_set(&transform.t, 0.0f, 0.0f, 0.0f, 1.0f);
|
|
matrix4_inv(&transform, &transform);
|
|
vec3_transform(&new_offset, &new_offset, &transform);
|
|
obs_sceneitem_group_enum_items(item, move_items, &new_offset);
|
|
}
|
|
|
|
if (selected) {
|
|
vec2 pos;
|
|
obs_sceneitem_get_pos(item, &pos);
|
|
vec2_add(&pos, &pos, offset);
|
|
obs_sceneitem_set_pos(item, &pos);
|
|
}
|
|
|
|
UNUSED_PARAMETER(scene);
|
|
return true;
|
|
}
|
|
|
|
void OBSBasicPreview::MoveItems(const vec2 &pos)
|
|
{
|
|
Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers();
|
|
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
|
|
OBSScene scene = main->GetCurrentScene();
|
|
|
|
vec2 offset, moveOffset;
|
|
vec2_sub(&offset, &pos, &startPos);
|
|
vec2_sub(&moveOffset, &offset, &lastMoveOffset);
|
|
|
|
if (!(modifiers & Qt::ControlModifier))
|
|
SnapItemMovement(moveOffset);
|
|
|
|
vec2_add(&lastMoveOffset, &lastMoveOffset, &moveOffset);
|
|
|
|
obs_scene_enum_items(scene, move_items, &moveOffset);
|
|
}
|
|
|
|
static bool CounterClockwise(float x1, float x2, float x3, float y1, float y2,
|
|
float y3)
|
|
{
|
|
return (y3 - y1) * (x2 - x1) > (y2 - y1) * (x3 - x1);
|
|
}
|
|
|
|
static bool IntersectLine(float x1, float x2, float x3, float x4, float y1,
|
|
float y2, float y3, float y4)
|
|
{
|
|
bool a = CounterClockwise(x1, x2, x3, y1, y2, y3);
|
|
bool b = CounterClockwise(x1, x2, x4, y1, y2, y4);
|
|
bool c = CounterClockwise(x3, x4, x1, y3, y4, y1);
|
|
bool d = CounterClockwise(x3, x4, x2, y3, y4, y2);
|
|
|
|
return (a != b) && (c != d);
|
|
}
|
|
|
|
static bool IntersectBox(matrix4 transform, float x1, float x2, float y1,
|
|
float y2)
|
|
{
|
|
float x3, x4, y3, y4;
|
|
|
|
x3 = transform.t.x;
|
|
y3 = transform.t.y;
|
|
x4 = x3 + transform.x.x;
|
|
y4 = y3 + transform.x.y;
|
|
|
|
if (IntersectLine(x1, x1, x3, x4, y1, y2, y3, y4) ||
|
|
IntersectLine(x1, x2, x3, x4, y1, y1, y3, y4) ||
|
|
IntersectLine(x2, x2, x3, x4, y1, y2, y3, y4) ||
|
|
IntersectLine(x1, x2, x3, x4, y2, y2, y3, y4))
|
|
return true;
|
|
|
|
x4 = x3 + transform.y.x;
|
|
y4 = y3 + transform.y.y;
|
|
|
|
if (IntersectLine(x1, x1, x3, x4, y1, y2, y3, y4) ||
|
|
IntersectLine(x1, x2, x3, x4, y1, y1, y3, y4) ||
|
|
IntersectLine(x2, x2, x3, x4, y1, y2, y3, y4) ||
|
|
IntersectLine(x1, x2, x3, x4, y2, y2, y3, y4))
|
|
return true;
|
|
|
|
x3 = transform.t.x + transform.x.x;
|
|
y3 = transform.t.y + transform.x.y;
|
|
x4 = x3 + transform.y.x;
|
|
y4 = y3 + transform.y.y;
|
|
|
|
if (IntersectLine(x1, x1, x3, x4, y1, y2, y3, y4) ||
|
|
IntersectLine(x1, x2, x3, x4, y1, y1, y3, y4) ||
|
|
IntersectLine(x2, x2, x3, x4, y1, y2, y3, y4) ||
|
|
IntersectLine(x1, x2, x3, x4, y2, y2, y3, y4))
|
|
return true;
|
|
|
|
x3 = transform.t.x + transform.y.x;
|
|
y3 = transform.t.y + transform.y.y;
|
|
x4 = x3 + transform.x.x;
|
|
y4 = y3 + transform.x.y;
|
|
|
|
if (IntersectLine(x1, x1, x3, x4, y1, y2, y3, y4) ||
|
|
IntersectLine(x1, x2, x3, x4, y1, y1, y3, y4) ||
|
|
IntersectLine(x2, x2, x3, x4, y1, y2, y3, y4) ||
|
|
IntersectLine(x1, x2, x3, x4, y2, y2, y3, y4))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
#undef PI
|
|
|
|
bool OBSBasicPreview::FindSelected(obs_scene_t *scene, obs_sceneitem_t *item,
|
|
void *param)
|
|
{
|
|
SceneFindBoxData *data = reinterpret_cast<SceneFindBoxData *>(param);
|
|
|
|
if (obs_sceneitem_selected(item))
|
|
data->sceneItems.push_back(item);
|
|
|
|
UNUSED_PARAMETER(scene);
|
|
return true;
|
|
}
|
|
|
|
static bool FindItemsInBox(obs_scene_t *scene, obs_sceneitem_t *item,
|
|
void *param)
|
|
{
|
|
SceneFindBoxData *data = reinterpret_cast<SceneFindBoxData *>(param);
|
|
matrix4 transform;
|
|
matrix4 invTransform;
|
|
vec3 transformedPos;
|
|
vec3 pos3;
|
|
vec3 pos3_;
|
|
|
|
float x1 = std::min(data->startPos.x, data->pos.x);
|
|
float x2 = std::max(data->startPos.x, data->pos.x);
|
|
float y1 = std::min(data->startPos.y, data->pos.y);
|
|
float y2 = std::max(data->startPos.y, data->pos.y);
|
|
|
|
if (!SceneItemHasVideo(item))
|
|
return true;
|
|
if (obs_sceneitem_locked(item))
|
|
return true;
|
|
if (!obs_sceneitem_visible(item))
|
|
return true;
|
|
|
|
vec3_set(&pos3, data->pos.x, data->pos.y, 0.0f);
|
|
|
|
obs_sceneitem_get_box_transform(item, &transform);
|
|
|
|
matrix4_inv(&invTransform, &transform);
|
|
vec3_transform(&transformedPos, &pos3, &invTransform);
|
|
vec3_transform(&pos3_, &transformedPos, &transform);
|
|
|
|
if (CloseFloat(pos3.x, pos3_.x) && CloseFloat(pos3.y, pos3_.y) &&
|
|
transformedPos.x >= 0.0f && transformedPos.x <= 1.0f &&
|
|
transformedPos.y >= 0.0f && transformedPos.y <= 1.0f) {
|
|
|
|
data->sceneItems.push_back(item);
|
|
return true;
|
|
}
|
|
|
|
if (transform.t.x > x1 && transform.t.x < x2 && transform.t.y > y1 &&
|
|
transform.t.y < y2) {
|
|
|
|
data->sceneItems.push_back(item);
|
|
return true;
|
|
}
|
|
|
|
if (transform.t.x + transform.x.x > x1 &&
|
|
transform.t.x + transform.x.x < x2 &&
|
|
transform.t.y + transform.x.y > y1 &&
|
|
transform.t.y + transform.x.y < y2) {
|
|
|
|
data->sceneItems.push_back(item);
|
|
return true;
|
|
}
|
|
|
|
if (transform.t.x + transform.y.x > x1 &&
|
|
transform.t.x + transform.y.x < x2 &&
|
|
transform.t.y + transform.y.y > y1 &&
|
|
transform.t.y + transform.y.y < y2) {
|
|
|
|
data->sceneItems.push_back(item);
|
|
return true;
|
|
}
|
|
|
|
if (transform.t.x + transform.x.x + transform.y.x > x1 &&
|
|
transform.t.x + transform.x.x + transform.y.x < x2 &&
|
|
transform.t.y + transform.x.y + transform.y.y > y1 &&
|
|
transform.t.y + transform.x.y + transform.y.y < y2) {
|
|
|
|
data->sceneItems.push_back(item);
|
|
return true;
|
|
}
|
|
|
|
if (transform.t.x + 0.5 * (transform.x.x + transform.y.x) > x1 &&
|
|
transform.t.x + 0.5 * (transform.x.x + transform.y.x) < x2 &&
|
|
transform.t.y + 0.5 * (transform.x.y + transform.y.y) > y1 &&
|
|
transform.t.y + 0.5 * (transform.x.y + transform.y.y) < y2) {
|
|
|
|
data->sceneItems.push_back(item);
|
|
return true;
|
|
}
|
|
|
|
if (IntersectBox(transform, x1, x2, y1, y2)) {
|
|
data->sceneItems.push_back(item);
|
|
return true;
|
|
}
|
|
|
|
UNUSED_PARAMETER(scene);
|
|
return true;
|
|
}
|
|
|
|
void OBSBasicPreview::BoxItems(const vec2 &startPos, const vec2 &pos)
|
|
{
|
|
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
|
|
|
|
OBSScene scene = main->GetCurrentScene();
|
|
if (!scene)
|
|
return;
|
|
|
|
SceneFindBoxData data(startPos, pos);
|
|
obs_scene_enum_items(scene, FindItemsInBox, &data);
|
|
|
|
std::lock_guard<std::mutex> lock(selectMutex);
|
|
hoveredPreviewItems = data.sceneItems;
|
|
}
|
|
|
|
vec3 OBSBasicPreview::CalculateStretchPos(const vec3 &tl, const vec3 &br)
|
|
{
|
|
uint32_t alignment = obs_sceneitem_get_alignment(stretchItem);
|
|
vec3 pos;
|
|
|
|
vec3_zero(&pos);
|
|
|
|
if (alignment & OBS_ALIGN_LEFT)
|
|
pos.x = tl.x;
|
|
else if (alignment & OBS_ALIGN_RIGHT)
|
|
pos.x = br.x;
|
|
else
|
|
pos.x = (br.x - tl.x) * 0.5f + tl.x;
|
|
|
|
if (alignment & OBS_ALIGN_TOP)
|
|
pos.y = tl.y;
|
|
else if (alignment & OBS_ALIGN_BOTTOM)
|
|
pos.y = br.y;
|
|
else
|
|
pos.y = (br.y - tl.y) * 0.5f + tl.y;
|
|
|
|
return pos;
|
|
}
|
|
|
|
void OBSBasicPreview::ClampAspect(vec3 &tl, vec3 &br, vec2 &size,
|
|
const vec2 &baseSize)
|
|
{
|
|
float baseAspect = baseSize.x / baseSize.y;
|
|
float aspect = size.x / size.y;
|
|
uint32_t stretchFlags = (uint32_t)stretchHandle;
|
|
|
|
if (stretchHandle == ItemHandle::TopLeft ||
|
|
stretchHandle == ItemHandle::TopRight ||
|
|
stretchHandle == ItemHandle::BottomLeft ||
|
|
stretchHandle == ItemHandle::BottomRight) {
|
|
if (aspect < baseAspect) {
|
|
if ((size.y >= 0.0f && size.x >= 0.0f) ||
|
|
(size.y <= 0.0f && size.x <= 0.0f))
|
|
size.x = size.y * baseAspect;
|
|
else
|
|
size.x = size.y * baseAspect * -1.0f;
|
|
} else {
|
|
if ((size.y >= 0.0f && size.x >= 0.0f) ||
|
|
(size.y <= 0.0f && size.x <= 0.0f))
|
|
size.y = size.x / baseAspect;
|
|
else
|
|
size.y = size.x / baseAspect * -1.0f;
|
|
}
|
|
|
|
} else if (stretchHandle == ItemHandle::TopCenter ||
|
|
stretchHandle == ItemHandle::BottomCenter) {
|
|
if ((size.y >= 0.0f && size.x >= 0.0f) ||
|
|
(size.y <= 0.0f && size.x <= 0.0f))
|
|
size.x = size.y * baseAspect;
|
|
else
|
|
size.x = size.y * baseAspect * -1.0f;
|
|
|
|
} else if (stretchHandle == ItemHandle::CenterLeft ||
|
|
stretchHandle == ItemHandle::CenterRight) {
|
|
if ((size.y >= 0.0f && size.x >= 0.0f) ||
|
|
(size.y <= 0.0f && size.x <= 0.0f))
|
|
size.y = size.x / baseAspect;
|
|
else
|
|
size.y = size.x / baseAspect * -1.0f;
|
|
}
|
|
|
|
size.x = std::round(size.x);
|
|
size.y = std::round(size.y);
|
|
|
|
if (stretchFlags & ITEM_LEFT)
|
|
tl.x = br.x - size.x;
|
|
else if (stretchFlags & ITEM_RIGHT)
|
|
br.x = tl.x + size.x;
|
|
|
|
if (stretchFlags & ITEM_TOP)
|
|
tl.y = br.y - size.y;
|
|
else if (stretchFlags & ITEM_BOTTOM)
|
|
br.y = tl.y + size.y;
|
|
}
|
|
|
|
void OBSBasicPreview::SnapStretchingToScreen(vec3 &tl, vec3 &br)
|
|
{
|
|
uint32_t stretchFlags = (uint32_t)stretchHandle;
|
|
vec3 newTL = GetTransformedPos(tl.x, tl.y, itemToScreen);
|
|
vec3 newTR = GetTransformedPos(br.x, tl.y, itemToScreen);
|
|
vec3 newBL = GetTransformedPos(tl.x, br.y, itemToScreen);
|
|
vec3 newBR = GetTransformedPos(br.x, br.y, itemToScreen);
|
|
vec3 boundingTL;
|
|
vec3 boundingBR;
|
|
|
|
vec3_copy(&boundingTL, &newTL);
|
|
vec3_min(&boundingTL, &boundingTL, &newTR);
|
|
vec3_min(&boundingTL, &boundingTL, &newBL);
|
|
vec3_min(&boundingTL, &boundingTL, &newBR);
|
|
|
|
vec3_copy(&boundingBR, &newTL);
|
|
vec3_max(&boundingBR, &boundingBR, &newTR);
|
|
vec3_max(&boundingBR, &boundingBR, &newBL);
|
|
vec3_max(&boundingBR, &boundingBR, &newBR);
|
|
|
|
vec3 offset = GetSnapOffset(boundingTL, boundingBR);
|
|
vec3_add(&offset, &offset, &newTL);
|
|
vec3_transform(&offset, &offset, &screenToItem);
|
|
vec3_sub(&offset, &offset, &tl);
|
|
|
|
if (stretchFlags & ITEM_LEFT)
|
|
tl.x += offset.x;
|
|
else if (stretchFlags & ITEM_RIGHT)
|
|
br.x += offset.x;
|
|
|
|
if (stretchFlags & ITEM_TOP)
|
|
tl.y += offset.y;
|
|
else if (stretchFlags & ITEM_BOTTOM)
|
|
br.y += offset.y;
|
|
}
|
|
|
|
static float maxfunc(float x, float y)
|
|
{
|
|
return x > y ? x : y;
|
|
}
|
|
|
|
static float minfunc(float x, float y)
|
|
{
|
|
return x < y ? x : y;
|
|
}
|
|
|
|
void OBSBasicPreview::CropItem(const vec2 &pos)
|
|
{
|
|
obs_bounds_type boundsType = obs_sceneitem_get_bounds_type(stretchItem);
|
|
uint32_t stretchFlags = (uint32_t)stretchHandle;
|
|
uint32_t align = obs_sceneitem_get_alignment(stretchItem);
|
|
vec3 tl, br, pos3;
|
|
|
|
vec3_zero(&tl);
|
|
vec3_set(&br, stretchItemSize.x, stretchItemSize.y, 0.0f);
|
|
|
|
vec3_set(&pos3, pos.x, pos.y, 0.0f);
|
|
vec3_transform(&pos3, &pos3, &screenToItem);
|
|
|
|
obs_sceneitem_crop crop = startCrop;
|
|
vec2 scale;
|
|
|
|
obs_sceneitem_get_scale(stretchItem, &scale);
|
|
|
|
vec2 max_tl;
|
|
vec2 max_br;
|
|
|
|
vec2_set(&max_tl, float(-crop.left) * scale.x,
|
|
float(-crop.top) * scale.y);
|
|
vec2_set(&max_br, stretchItemSize.x + crop.right * scale.x,
|
|
stretchItemSize.y + crop.bottom * scale.y);
|
|
|
|
typedef std::function<float(float, float)> minmax_func_t;
|
|
|
|
minmax_func_t min_x = scale.x < 0.0f ? maxfunc : minfunc;
|
|
minmax_func_t min_y = scale.y < 0.0f ? maxfunc : minfunc;
|
|
minmax_func_t max_x = scale.x < 0.0f ? minfunc : maxfunc;
|
|
minmax_func_t max_y = scale.y < 0.0f ? minfunc : maxfunc;
|
|
|
|
pos3.x = min_x(pos3.x, max_br.x);
|
|
pos3.x = max_x(pos3.x, max_tl.x);
|
|
pos3.y = min_y(pos3.y, max_br.y);
|
|
pos3.y = max_y(pos3.y, max_tl.y);
|
|
|
|
if (stretchFlags & ITEM_LEFT) {
|
|
float maxX = stretchItemSize.x - (2.0 * scale.x);
|
|
pos3.x = tl.x = min_x(pos3.x, maxX);
|
|
|
|
} else if (stretchFlags & ITEM_RIGHT) {
|
|
float minX = (2.0 * scale.x);
|
|
pos3.x = br.x = max_x(pos3.x, minX);
|
|
}
|
|
|
|
if (stretchFlags & ITEM_TOP) {
|
|
float maxY = stretchItemSize.y - (2.0 * scale.y);
|
|
pos3.y = tl.y = min_y(pos3.y, maxY);
|
|
|
|
} else if (stretchFlags & ITEM_BOTTOM) {
|
|
float minY = (2.0 * scale.y);
|
|
pos3.y = br.y = max_y(pos3.y, minY);
|
|
}
|
|
|
|
#define ALIGN_X (ITEM_LEFT | ITEM_RIGHT)
|
|
#define ALIGN_Y (ITEM_TOP | ITEM_BOTTOM)
|
|
vec3 newPos;
|
|
vec3_zero(&newPos);
|
|
|
|
uint32_t align_x = (align & ALIGN_X);
|
|
uint32_t align_y = (align & ALIGN_Y);
|
|
if (align_x == (stretchFlags & ALIGN_X) && align_x != 0)
|
|
newPos.x = pos3.x;
|
|
else if (align & ITEM_RIGHT)
|
|
newPos.x = stretchItemSize.x;
|
|
else if (!(align & ITEM_LEFT))
|
|
newPos.x = stretchItemSize.x * 0.5f;
|
|
|
|
if (align_y == (stretchFlags & ALIGN_Y) && align_y != 0)
|
|
newPos.y = pos3.y;
|
|
else if (align & ITEM_BOTTOM)
|
|
newPos.y = stretchItemSize.y;
|
|
else if (!(align & ITEM_TOP))
|
|
newPos.y = stretchItemSize.y * 0.5f;
|
|
#undef ALIGN_X
|
|
#undef ALIGN_Y
|
|
|
|
crop = startCrop;
|
|
|
|
if (stretchFlags & ITEM_LEFT)
|
|
crop.left += int(std::round(tl.x / scale.x));
|
|
else if (stretchFlags & ITEM_RIGHT)
|
|
crop.right +=
|
|
int(std::round((stretchItemSize.x - br.x) / scale.x));
|
|
|
|
if (stretchFlags & ITEM_TOP)
|
|
crop.top += int(std::round(tl.y / scale.y));
|
|
else if (stretchFlags & ITEM_BOTTOM)
|
|
crop.bottom +=
|
|
int(std::round((stretchItemSize.y - br.y) / scale.y));
|
|
|
|
vec3_transform(&newPos, &newPos, &itemToScreen);
|
|
newPos.x = std::round(newPos.x);
|
|
newPos.y = std::round(newPos.y);
|
|
|
|
#if 0
|
|
vec3 curPos;
|
|
vec3_zero(&curPos);
|
|
obs_sceneitem_get_pos(stretchItem, (vec2*)&curPos);
|
|
blog(LOG_DEBUG, "curPos {%d, %d} - newPos {%d, %d}",
|
|
int(curPos.x), int(curPos.y),
|
|
int(newPos.x), int(newPos.y));
|
|
blog(LOG_DEBUG, "crop {%d, %d, %d, %d}",
|
|
crop.left, crop.top,
|
|
crop.right, crop.bottom);
|
|
#endif
|
|
|
|
obs_sceneitem_defer_update_begin(stretchItem);
|
|
obs_sceneitem_set_crop(stretchItem, &crop);
|
|
if (boundsType == OBS_BOUNDS_NONE)
|
|
obs_sceneitem_set_pos(stretchItem, (vec2 *)&newPos);
|
|
obs_sceneitem_defer_update_end(stretchItem);
|
|
}
|
|
|
|
void OBSBasicPreview::StretchItem(const vec2 &pos)
|
|
{
|
|
Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers();
|
|
obs_bounds_type boundsType = obs_sceneitem_get_bounds_type(stretchItem);
|
|
uint32_t stretchFlags = (uint32_t)stretchHandle;
|
|
bool shiftDown = (modifiers & Qt::ShiftModifier);
|
|
vec3 tl, br, pos3;
|
|
|
|
vec3_zero(&tl);
|
|
vec3_set(&br, stretchItemSize.x, stretchItemSize.y, 0.0f);
|
|
|
|
vec3_set(&pos3, pos.x, pos.y, 0.0f);
|
|
vec3_transform(&pos3, &pos3, &screenToItem);
|
|
|
|
if (stretchFlags & ITEM_LEFT)
|
|
tl.x = pos3.x;
|
|
else if (stretchFlags & ITEM_RIGHT)
|
|
br.x = pos3.x;
|
|
|
|
if (stretchFlags & ITEM_TOP)
|
|
tl.y = pos3.y;
|
|
else if (stretchFlags & ITEM_BOTTOM)
|
|
br.y = pos3.y;
|
|
|
|
if (!(modifiers & Qt::ControlModifier))
|
|
SnapStretchingToScreen(tl, br);
|
|
|
|
obs_source_t *source = obs_sceneitem_get_source(stretchItem);
|
|
|
|
vec2 baseSize;
|
|
vec2_set(&baseSize, float(obs_source_get_width(source)),
|
|
float(obs_source_get_height(source)));
|
|
|
|
vec2 size;
|
|
vec2_set(&size, br.x - tl.x, br.y - tl.y);
|
|
|
|
if (boundsType != OBS_BOUNDS_NONE) {
|
|
if (shiftDown)
|
|
ClampAspect(tl, br, size, baseSize);
|
|
|
|
if (tl.x > br.x)
|
|
std::swap(tl.x, br.x);
|
|
if (tl.y > br.y)
|
|
std::swap(tl.y, br.y);
|
|
|
|
vec2_abs(&size, &size);
|
|
|
|
obs_sceneitem_set_bounds(stretchItem, &size);
|
|
} else {
|
|
obs_sceneitem_crop crop;
|
|
obs_sceneitem_get_crop(stretchItem, &crop);
|
|
|
|
baseSize.x -= float(crop.left + crop.right);
|
|
baseSize.y -= float(crop.top + crop.bottom);
|
|
|
|
if (!shiftDown)
|
|
ClampAspect(tl, br, size, baseSize);
|
|
|
|
vec2_div(&size, &size, &baseSize);
|
|
obs_sceneitem_set_scale(stretchItem, &size);
|
|
}
|
|
|
|
pos3 = CalculateStretchPos(tl, br);
|
|
vec3_transform(&pos3, &pos3, &itemToScreen);
|
|
|
|
vec2 newPos;
|
|
vec2_set(&newPos, std::round(pos3.x), std::round(pos3.y));
|
|
obs_sceneitem_set_pos(stretchItem, &newPos);
|
|
}
|
|
|
|
void OBSBasicPreview::mouseMoveEvent(QMouseEvent *event)
|
|
{
|
|
if (scrollMode && event->buttons() == Qt::LeftButton) {
|
|
scrollingOffset.x += event->x() - scrollingFrom.x;
|
|
scrollingOffset.y += event->y() - scrollingFrom.y;
|
|
scrollingFrom.x = event->x();
|
|
scrollingFrom.y = event->y();
|
|
emit DisplayResized();
|
|
return;
|
|
}
|
|
|
|
if (locked)
|
|
return;
|
|
|
|
if (mouseDown) {
|
|
vec2 pos = GetMouseEventPos(event);
|
|
|
|
if (!mouseMoved && !mouseOverItems &&
|
|
stretchHandle == ItemHandle::None) {
|
|
ProcessClick(startPos);
|
|
mouseOverItems = SelectedAtPos(startPos);
|
|
}
|
|
|
|
pos.x = std::round(pos.x);
|
|
pos.y = std::round(pos.y);
|
|
|
|
if (stretchHandle != ItemHandle::None) {
|
|
selectionBox = false;
|
|
|
|
OBSBasic *main = reinterpret_cast<OBSBasic *>(
|
|
App()->GetMainWindow());
|
|
OBSScene scene = main->GetCurrentScene();
|
|
obs_sceneitem_t *group =
|
|
obs_sceneitem_get_group(scene, stretchItem);
|
|
if (group) {
|
|
vec3 group_pos;
|
|
vec3_set(&group_pos, pos.x, pos.y, 0.0f);
|
|
vec3_transform(&group_pos, &group_pos,
|
|
&invGroupTransform);
|
|
pos.x = group_pos.x;
|
|
pos.y = group_pos.y;
|
|
}
|
|
|
|
if (cropping)
|
|
CropItem(pos);
|
|
else
|
|
StretchItem(pos);
|
|
|
|
} else if (mouseOverItems) {
|
|
selectionBox = false;
|
|
MoveItems(pos);
|
|
} else {
|
|
selectionBox = true;
|
|
if (!mouseMoved)
|
|
DoSelect(startPos);
|
|
BoxItems(startPos, pos);
|
|
}
|
|
|
|
mouseMoved = true;
|
|
mousePos = pos;
|
|
} else {
|
|
vec2 pos = GetMouseEventPos(event);
|
|
OBSSceneItem item = GetItemAtPos(pos, true);
|
|
|
|
std::lock_guard<std::mutex> lock(selectMutex);
|
|
hoveredPreviewItems.clear();
|
|
hoveredPreviewItems.push_back(item);
|
|
}
|
|
}
|
|
|
|
void OBSBasicPreview::leaveEvent(QEvent *)
|
|
{
|
|
std::lock_guard<std::mutex> lock(selectMutex);
|
|
if (!selectionBox)
|
|
hoveredPreviewItems.clear();
|
|
}
|
|
|
|
static void DrawSquareAtPos(float x, float y)
|
|
{
|
|
struct vec3 pos;
|
|
vec3_set(&pos, x, y, 0.0f);
|
|
|
|
struct matrix4 matrix;
|
|
gs_matrix_get(&matrix);
|
|
vec3_transform(&pos, &pos, &matrix);
|
|
|
|
gs_matrix_push();
|
|
gs_matrix_identity();
|
|
gs_matrix_translate(&pos);
|
|
|
|
gs_matrix_translate3f(-HANDLE_RADIUS, -HANDLE_RADIUS, 0.0f);
|
|
gs_matrix_scale3f(HANDLE_RADIUS * 2, HANDLE_RADIUS * 2, 1.0f);
|
|
gs_draw(GS_TRISTRIP, 0, 0);
|
|
gs_matrix_pop();
|
|
}
|
|
|
|
static void DrawLine(float x1, float y1, float x2, float y2, float thickness,
|
|
vec2 scale)
|
|
{
|
|
float ySide = (y1 == y2) ? (y1 < 0.5f ? 1.0f : -1.0f) : 0.0f;
|
|
float xSide = (x1 == x2) ? (x1 < 0.5f ? 1.0f : -1.0f) : 0.0f;
|
|
|
|
gs_render_start(true);
|
|
|
|
gs_vertex2f(x1, y1);
|
|
gs_vertex2f(x1 + (xSide * (thickness / scale.x)),
|
|
y1 + (ySide * (thickness / scale.y)));
|
|
gs_vertex2f(x2, y2);
|
|
gs_vertex2f(x2 + (xSide * (thickness / scale.x)),
|
|
y2 + (ySide * (thickness / scale.y)));
|
|
|
|
gs_vertbuffer_t *line = gs_render_save();
|
|
|
|
gs_load_vertexbuffer(line);
|
|
gs_draw(GS_TRISTRIP, 0, 0);
|
|
gs_vertexbuffer_destroy(line);
|
|
}
|
|
|
|
static void DrawRect(float thickness, vec2 scale)
|
|
{
|
|
gs_render_start(true);
|
|
|
|
gs_vertex2f(0.0f, 0.0f);
|
|
gs_vertex2f(0.0f + (thickness / scale.x), 0.0f);
|
|
gs_vertex2f(0.0f, 1.0f);
|
|
gs_vertex2f(0.0f + (thickness / scale.x), 1.0f);
|
|
gs_vertex2f(0.0f, 1.0f - (thickness / scale.y));
|
|
gs_vertex2f(1.0f, 1.0f);
|
|
gs_vertex2f(1.0f, 1.0f - (thickness / scale.y));
|
|
gs_vertex2f(1.0f - (thickness / scale.x), 1.0f);
|
|
gs_vertex2f(1.0f, 0.0f);
|
|
gs_vertex2f(1.0f - (thickness / scale.x), 0.0f);
|
|
gs_vertex2f(1.0f, 0.0f + (thickness / scale.y));
|
|
gs_vertex2f(0.0f, 0.0f);
|
|
gs_vertex2f(0.0f, 0.0f + (thickness / scale.y));
|
|
|
|
gs_vertbuffer_t *rect = gs_render_save();
|
|
|
|
gs_load_vertexbuffer(rect);
|
|
gs_draw(GS_TRISTRIP, 0, 0);
|
|
gs_vertexbuffer_destroy(rect);
|
|
}
|
|
|
|
static inline bool crop_enabled(const obs_sceneitem_crop *crop)
|
|
{
|
|
return crop->left > 0 || crop->top > 0 || crop->right > 0 ||
|
|
crop->bottom > 0;
|
|
}
|
|
|
|
bool OBSBasicPreview::DrawSelectedOverflow(obs_scene_t *scene,
|
|
obs_sceneitem_t *item, void *param)
|
|
{
|
|
if (obs_sceneitem_locked(item))
|
|
return true;
|
|
|
|
if (!SceneItemHasVideo(item))
|
|
return true;
|
|
|
|
bool select = config_get_bool(GetGlobalConfig(), "BasicWindow",
|
|
"OverflowSelectionHidden");
|
|
|
|
if (!select && !obs_sceneitem_visible(item))
|
|
return true;
|
|
|
|
if (obs_sceneitem_is_group(item)) {
|
|
matrix4 mat;
|
|
obs_sceneitem_get_draw_transform(item, &mat);
|
|
|
|
gs_matrix_push();
|
|
gs_matrix_mul(&mat);
|
|
obs_sceneitem_group_enum_items(item, DrawSelectedOverflow,
|
|
param);
|
|
gs_matrix_pop();
|
|
}
|
|
|
|
bool always = config_get_bool(GetGlobalConfig(), "BasicWindow",
|
|
"OverflowAlwaysVisible");
|
|
|
|
if (!always && !obs_sceneitem_selected(item))
|
|
return true;
|
|
|
|
OBSBasicPreview *prev = reinterpret_cast<OBSBasicPreview *>(param);
|
|
|
|
matrix4 boxTransform;
|
|
matrix4 invBoxTransform;
|
|
obs_sceneitem_get_box_transform(item, &boxTransform);
|
|
matrix4_inv(&invBoxTransform, &boxTransform);
|
|
|
|
vec3 bounds[] = {
|
|
{{{0.f, 0.f, 0.f}}},
|
|
{{{1.f, 0.f, 0.f}}},
|
|
{{{0.f, 1.f, 0.f}}},
|
|
{{{1.f, 1.f, 0.f}}},
|
|
};
|
|
|
|
bool visible = std::all_of(
|
|
std::begin(bounds), std::end(bounds), [&](const vec3 &b) {
|
|
vec3 pos;
|
|
vec3_transform(&pos, &b, &boxTransform);
|
|
vec3_transform(&pos, &pos, &invBoxTransform);
|
|
return CloseFloat(pos.x, b.x) && CloseFloat(pos.y, b.y);
|
|
});
|
|
|
|
if (!visible)
|
|
return true;
|
|
|
|
GS_DEBUG_MARKER_BEGIN(GS_DEBUG_COLOR_DEFAULT, "DrawSelectedOverflow");
|
|
|
|
obs_transform_info info;
|
|
obs_sceneitem_get_info(item, &info);
|
|
|
|
gs_effect_t *solid = obs_get_base_effect(OBS_EFFECT_REPEAT);
|
|
gs_eparam_t *image = gs_effect_get_param_by_name(solid, "image");
|
|
gs_eparam_t *scale = gs_effect_get_param_by_name(solid, "scale");
|
|
|
|
vec2 s;
|
|
vec2_set(&s, boxTransform.x.x / 96, boxTransform.y.y / 96);
|
|
|
|
gs_effect_set_vec2(scale, &s);
|
|
gs_effect_set_texture(image, prev->overflow);
|
|
|
|
gs_matrix_push();
|
|
gs_matrix_mul(&boxTransform);
|
|
|
|
obs_sceneitem_crop crop;
|
|
obs_sceneitem_get_crop(item, &crop);
|
|
|
|
while (gs_effect_loop(solid, "Draw")) {
|
|
gs_draw_sprite(prev->overflow, 0, 1, 1);
|
|
}
|
|
|
|
gs_matrix_pop();
|
|
|
|
GS_DEBUG_MARKER_END();
|
|
|
|
UNUSED_PARAMETER(scene);
|
|
return true;
|
|
}
|
|
|
|
bool OBSBasicPreview::DrawSelectedItem(obs_scene_t *scene,
|
|
obs_sceneitem_t *item, void *param)
|
|
{
|
|
if (obs_sceneitem_locked(item))
|
|
return true;
|
|
|
|
if (!SceneItemHasVideo(item))
|
|
return true;
|
|
|
|
if (obs_sceneitem_is_group(item)) {
|
|
matrix4 mat;
|
|
obs_sceneitem_get_draw_transform(item, &mat);
|
|
|
|
gs_matrix_push();
|
|
gs_matrix_mul(&mat);
|
|
obs_sceneitem_group_enum_items(item, DrawSelectedItem, param);
|
|
gs_matrix_pop();
|
|
}
|
|
|
|
OBSBasicPreview *prev = reinterpret_cast<OBSBasicPreview *>(param);
|
|
OBSBasic *main = OBSBasic::Get();
|
|
|
|
bool hovered = false;
|
|
{
|
|
std::lock_guard<std::mutex> lock(prev->selectMutex);
|
|
for (size_t i = 0; i < prev->hoveredPreviewItems.size(); i++) {
|
|
if (prev->hoveredPreviewItems[i] == item) {
|
|
hovered = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool selected = obs_sceneitem_selected(item);
|
|
|
|
if (!selected && !hovered)
|
|
return true;
|
|
|
|
matrix4 boxTransform;
|
|
matrix4 invBoxTransform;
|
|
obs_sceneitem_get_box_transform(item, &boxTransform);
|
|
matrix4_inv(&invBoxTransform, &boxTransform);
|
|
|
|
vec3 bounds[] = {
|
|
{{{0.f, 0.f, 0.f}}},
|
|
{{{1.f, 0.f, 0.f}}},
|
|
{{{0.f, 1.f, 0.f}}},
|
|
{{{1.f, 1.f, 0.f}}},
|
|
};
|
|
|
|
vec4 red;
|
|
vec4 green;
|
|
vec4 blue;
|
|
|
|
vec4_set(&red, 1.0f, 0.0f, 0.0f, 1.0f);
|
|
vec4_set(&green, 0.0f, 1.0f, 0.0f, 1.0f);
|
|
vec4_set(&blue, 0.0f, 0.5f, 1.0f, 1.0f);
|
|
|
|
bool visible = std::all_of(
|
|
std::begin(bounds), std::end(bounds), [&](const vec3 &b) {
|
|
vec3 pos;
|
|
vec3_transform(&pos, &b, &boxTransform);
|
|
vec3_transform(&pos, &pos, &invBoxTransform);
|
|
return CloseFloat(pos.x, b.x) && CloseFloat(pos.y, b.y);
|
|
});
|
|
|
|
if (!visible)
|
|
return true;
|
|
|
|
GS_DEBUG_MARKER_BEGIN(GS_DEBUG_COLOR_DEFAULT, "DrawSelectedItem");
|
|
|
|
matrix4 curTransform;
|
|
vec2 boxScale;
|
|
gs_matrix_get(&curTransform);
|
|
obs_sceneitem_get_box_scale(item, &boxScale);
|
|
boxScale.x *= curTransform.x.x;
|
|
boxScale.y *= curTransform.y.y;
|
|
|
|
obs_transform_info info;
|
|
obs_sceneitem_get_info(item, &info);
|
|
|
|
gs_matrix_push();
|
|
gs_matrix_mul(&boxTransform);
|
|
|
|
obs_sceneitem_crop crop;
|
|
obs_sceneitem_get_crop(item, &crop);
|
|
|
|
gs_effect_t *eff = gs_get_effect();
|
|
gs_eparam_t *colParam = gs_effect_get_param_by_name(eff, "color");
|
|
|
|
if (info.bounds_type == OBS_BOUNDS_NONE && crop_enabled(&crop)) {
|
|
#define DRAW_SIDE(side, x1, y1, x2, y2) \
|
|
if (hovered && !selected) \
|
|
gs_effect_set_vec4(colParam, &blue); \
|
|
else if (crop.side > 0) \
|
|
gs_effect_set_vec4(colParam, &green); \
|
|
DrawLine(x1, y1, x2, y2, HANDLE_RADIUS / 2, boxScale); \
|
|
gs_effect_set_vec4(colParam, &red);
|
|
|
|
DRAW_SIDE(left, 0.0f, 0.0f, 0.0f, 1.0f);
|
|
DRAW_SIDE(top, 0.0f, 0.0f, 1.0f, 0.0f);
|
|
DRAW_SIDE(right, 1.0f, 0.0f, 1.0f, 1.0f);
|
|
DRAW_SIDE(bottom, 0.0f, 1.0f, 1.0f, 1.0f);
|
|
#undef DRAW_SIDE
|
|
} else {
|
|
if (!selected) {
|
|
gs_effect_set_vec4(colParam, &blue);
|
|
DrawRect(HANDLE_RADIUS / 2, boxScale);
|
|
} else {
|
|
DrawRect(HANDLE_RADIUS / 2, boxScale);
|
|
}
|
|
}
|
|
|
|
gs_load_vertexbuffer(main->box);
|
|
gs_effect_set_vec4(colParam, &red);
|
|
|
|
if (selected) {
|
|
DrawSquareAtPos(0.0f, 0.0f);
|
|
DrawSquareAtPos(0.0f, 1.0f);
|
|
DrawSquareAtPos(1.0f, 0.0f);
|
|
DrawSquareAtPos(1.0f, 1.0f);
|
|
DrawSquareAtPos(0.5f, 0.0f);
|
|
DrawSquareAtPos(0.0f, 0.5f);
|
|
DrawSquareAtPos(0.5f, 1.0f);
|
|
DrawSquareAtPos(1.0f, 0.5f);
|
|
}
|
|
|
|
gs_matrix_pop();
|
|
|
|
GS_DEBUG_MARKER_END();
|
|
|
|
UNUSED_PARAMETER(scene);
|
|
UNUSED_PARAMETER(param);
|
|
return true;
|
|
}
|
|
|
|
bool OBSBasicPreview::DrawSelectionBox(float x1, float y1, float x2, float y2,
|
|
gs_vertbuffer_t *rectFill)
|
|
{
|
|
x1 = std::round(x1);
|
|
x2 = std::round(x2);
|
|
y1 = std::round(y1);
|
|
y2 = std::round(y2);
|
|
|
|
gs_effect_t *eff = gs_get_effect();
|
|
gs_eparam_t *colParam = gs_effect_get_param_by_name(eff, "color");
|
|
|
|
vec4 fillColor;
|
|
vec4_set(&fillColor, 0.7f, 0.7f, 0.7f, 0.5f);
|
|
|
|
vec4 borderColor;
|
|
vec4_set(&borderColor, 1.0f, 1.0f, 1.0f, 1.0f);
|
|
|
|
vec2 scale;
|
|
vec2_set(&scale, std::abs(x2 - x1), std::abs(y2 - y1));
|
|
|
|
gs_matrix_push();
|
|
gs_matrix_identity();
|
|
|
|
gs_matrix_translate3f(x1, y1, 0.0f);
|
|
gs_matrix_scale3f(x2 - x1, y2 - y1, 1.0f);
|
|
|
|
gs_effect_set_vec4(colParam, &fillColor);
|
|
gs_load_vertexbuffer(rectFill);
|
|
gs_draw(GS_TRISTRIP, 0, 0);
|
|
|
|
gs_effect_set_vec4(colParam, &borderColor);
|
|
DrawRect(HANDLE_RADIUS / 2, scale);
|
|
|
|
gs_matrix_pop();
|
|
|
|
return true;
|
|
}
|
|
|
|
void OBSBasicPreview::DrawOverflow()
|
|
{
|
|
if (locked)
|
|
return;
|
|
|
|
bool hidden = config_get_bool(GetGlobalConfig(), "BasicWindow",
|
|
"OverflowHidden");
|
|
|
|
if (hidden)
|
|
return;
|
|
|
|
GS_DEBUG_MARKER_BEGIN(GS_DEBUG_COLOR_DEFAULT, "DrawOverflow");
|
|
|
|
if (!overflow) {
|
|
std::string path;
|
|
GetDataFilePath("images/overflow.png", path);
|
|
overflow = gs_texture_create_from_file(path.c_str());
|
|
}
|
|
|
|
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
|
|
|
|
OBSScene scene = main->GetCurrentScene();
|
|
|
|
if (scene) {
|
|
gs_matrix_push();
|
|
gs_matrix_scale3f(main->previewScale, main->previewScale, 1.0f);
|
|
obs_scene_enum_items(scene, DrawSelectedOverflow, this);
|
|
gs_matrix_pop();
|
|
}
|
|
|
|
gs_load_vertexbuffer(nullptr);
|
|
|
|
GS_DEBUG_MARKER_END();
|
|
}
|
|
|
|
void OBSBasicPreview::DrawSceneEditing()
|
|
{
|
|
if (locked)
|
|
return;
|
|
|
|
GS_DEBUG_MARKER_BEGIN(GS_DEBUG_COLOR_DEFAULT, "DrawSceneEditing");
|
|
|
|
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
|
|
|
|
gs_effect_t *solid = obs_get_base_effect(OBS_EFFECT_SOLID);
|
|
gs_technique_t *tech = gs_effect_get_technique(solid, "Solid");
|
|
|
|
vec4 color;
|
|
vec4_set(&color, 1.0f, 0.0f, 0.0f, 1.0f);
|
|
gs_effect_set_vec4(gs_effect_get_param_by_name(solid, "color"), &color);
|
|
|
|
gs_technique_begin(tech);
|
|
gs_technique_begin_pass(tech, 0);
|
|
|
|
OBSScene scene = main->GetCurrentScene();
|
|
|
|
if (scene) {
|
|
gs_matrix_push();
|
|
gs_matrix_scale3f(main->previewScale, main->previewScale, 1.0f);
|
|
obs_scene_enum_items(scene, DrawSelectedItem, this);
|
|
gs_matrix_pop();
|
|
}
|
|
|
|
if (selectionBox) {
|
|
if (!rectFill) {
|
|
gs_render_start(true);
|
|
|
|
gs_vertex2f(0.0f, 0.0f);
|
|
gs_vertex2f(1.0f, 0.0f);
|
|
gs_vertex2f(0.0f, 1.0f);
|
|
gs_vertex2f(1.0f, 1.0f);
|
|
|
|
rectFill = gs_render_save();
|
|
}
|
|
|
|
DrawSelectionBox(startPos.x * main->previewScale,
|
|
startPos.y * main->previewScale,
|
|
mousePos.x * main->previewScale,
|
|
mousePos.y * main->previewScale, rectFill);
|
|
}
|
|
|
|
gs_load_vertexbuffer(nullptr);
|
|
|
|
gs_technique_end_pass(tech);
|
|
gs_technique_end(tech);
|
|
|
|
GS_DEBUG_MARKER_END();
|
|
}
|
|
|
|
void OBSBasicPreview::ResetScrollingOffset()
|
|
{
|
|
vec2_zero(&scrollingOffset);
|
|
}
|
|
|
|
void OBSBasicPreview::SetScalingLevel(int32_t newScalingLevelVal)
|
|
{
|
|
float newScalingAmountVal =
|
|
pow(ZOOM_SENSITIVITY, float(newScalingLevelVal));
|
|
scalingLevel = newScalingLevelVal;
|
|
SetScalingAmount(newScalingAmountVal);
|
|
}
|
|
|
|
void OBSBasicPreview::SetScalingAmount(float newScalingAmountVal)
|
|
{
|
|
scrollingOffset.x *= newScalingAmountVal / scalingAmount;
|
|
scrollingOffset.y *= newScalingAmountVal / scalingAmount;
|
|
scalingAmount = newScalingAmountVal;
|
|
}
|
|
|
|
OBSBasicPreview *OBSBasicPreview::Get()
|
|
{
|
|
return OBSBasic::Get()->ui->preview;
|
|
}
|