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linux-pipewire: Explicitly enumerate cursor modes

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The ScreenCast portal defines 3 cursor modes [1]:

 * Hidden: no visible cursor (value: 1)
 * Embedded: cursor is drawn in the frames (value: 2)
 * Metadata: cursor is sent as stream metadata (value: 4)

The values are power-of-two due to be used as flags.

Explicitly listing these values in an enum improves legibility
of the code, so do that instead of hardcoding 1, 2, and 4.

[1] https://github.com/flatpak/xdg-desktop-portal/blob/main/data/org.freedesktop.portal.ScreenCast.xml#L302-L316
This commit is contained in:
Georges Basile Stavracas Neto 2022-04-02 16:12:29 -03:00 committed by Jim
parent 1267081e5c
commit e7815dff66
2 changed files with 18 additions and 8 deletions
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20
plugins/linux-pipewire/pipewire.c
View File

@ -1228,15 +1228,19 @@ static void select_source(obs_pipewire_data *obs_pw)
available_cursor_modes = portal_get_available_cursor_modes();
if (available_cursor_modes & 4)
g_variant_builder_add(&builder, "{sv}", "cursor_mode",
g_variant_new_uint32(4));
else if ((available_cursor_modes & 2) && obs_pw->cursor.visible)
g_variant_builder_add(&builder, "{sv}", "cursor_mode",
g_variant_new_uint32(2));
if (available_cursor_modes & PORTAL_CURSOR_MODE_METADATA)
g_variant_builder_add(
&builder, "{sv}", "cursor_mode",
g_variant_new_uint32(PORTAL_CURSOR_MODE_METADATA));
else if ((available_cursor_modes & PORTAL_CURSOR_MODE_EMBEDDED) &&
obs_pw->cursor.visible)
g_variant_builder_add(
&builder, "{sv}", "cursor_mode",
g_variant_new_uint32(PORTAL_CURSOR_MODE_EMBEDDED));
else
g_variant_builder_add(&builder, "{sv}", "cursor_mode",
g_variant_new_uint32(1));
g_variant_builder_add(
&builder, "{sv}", "cursor_mode",
g_variant_new_uint32(PORTAL_CURSOR_MODE_HIDDEN));
if (portal_get_screencast_version() >= 4) {
g_variant_builder_add(&builder, "{sv}", "persist_mode",

6
plugins/linux-pipewire/portal.h
View File

@ -23,6 +23,12 @@
#include <stdint.h>
#include <gio/gio.h>
enum portal_cursor_mode {
PORTAL_CURSOR_MODE_HIDDEN = 1 << 0,
PORTAL_CURSOR_MODE_EMBEDDED = 1 << 1,
PORTAL_CURSOR_MODE_METADATA = 1 << 2,
};
uint32_t portal_get_available_capture_types(void);
uint32_t portal_get_available_cursor_modes(void);
uint32_t portal_get_screencast_version(void);