Add a small SDL test application for betawidget (committed for EvilGuru)

git-svn-id: svn+ssh://svn.gna.org/svn/warzone/trunk@5962 4a71c877-e1ca-e34f-864e-861f7616d084

lib/betawidget/Makefile.am

@@ -36,3 +36,9 @@ endif
 endif
 
 noinst_HEADERS += $(PLATFORM)/event.h $(PLATFORM)/init.h
+
+noinst_PROGRAMS = tools/sdl-testapp
+
+tools_sdl_testapp_SOURCES = tools/sdl-testapp.c
+tools_sdl_testapp_CPPFLAGS = -I..
+tools_sdl_testapp_LDADD = $(OPENGL_LIBS) libbetawidget.la

lib/betawidget/tools/sdl-testapp.c

@@ -0,0 +1,147 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include <SDL.h>
+#include <SDL_main.h>
+
+#include <betawidget/widget.h>
+#include <betawidget/hBox.h>
+#include <betawidget/spacer.h>
+#include <betawidget/textEntry.h>
+#include <betawidget/window.h>
+#include <betawidget/platform/sdl/event.h>
+#include <betawidget/platform/sdl/init.h>
+
+static bool keyEvent(widget *self, const event *evt, int handlerId, void *userData)
+{
+	if (evt->type == EVT_KEY_DOWN)
+	{
+		puts("Key down");
+	}
+	else if (evt->type == EVT_DESTRUCT)
+	{
+		puts("Destruct");
+	}
+	
+	return true;
+}
+
+static bool clickEvent(widget *self, const event *evt, int handlerId, void *userData)
+{
+	puts("Click");
+	
+	widgetReposition(self, 0, 0);
+	
+	return true;
+}
+
+static void createGUI()
+{
+	window *wnd;
+	wnd = malloc(sizeof(window));
+	windowInit(wnd, "myWindow", 400, 400);
+	widgetReposition(WIDGET(wnd), 400, 50);
+	widgetShow(WIDGET(wnd));
+	
+	widgetAddEventHandler(WIDGET(wnd), EVT_MOUSE_CLICK, clickEvent, NULL, NULL);
+	widgetAddEventHandler(WIDGET(wnd), EVT_KEY_DOWN, keyEvent, keyEvent, NULL);
+	
+	window *wnd2;
+	wnd2 = malloc(sizeof(window	));
+	windowInit(wnd2, "myOtherWindow", 100, 100);
+	windowRepositionFromAnchor(wnd2, wnd, CENTRE, 0, MIDDLE, 0);
+	printf("It is: %f %f\n", WIDGET(wnd2)->offset.x, WIDGET(wnd2)->offset.y);
+	widgetShow(WIDGET(wnd2));
+}
+
+int main(int argc, char *argv[])
+{
+	SDL_Surface *screen;
+	SDL_Event sdlEvent;
+	bool quit = false;
+	
+	// Make sure everything is cleaned up on quit
+	atexit(SDL_Quit);
+	
+	// Init SDL
+	if (SDL_Init(SDL_INIT_VIDEO) < -1)
+	{
+		fprintf(stderr, "SDL_init: %s\n", SDL_GetError());
+		exit(1);
+	}
+	
+	// Enable UNICODE support (for key events)
+	SDL_EnableUNICODE(true);
+	
+	// 800x600 true colour
+	screen = SDL_SetVideoMode(800, 600, 32, SDL_OPENGL);
+	if (screen == NULL)
+	{
+		fprintf(stderr, "SDL_SetVideoMode: %s\n", SDL_GetError());
+		exit(1);
+	}
+	
+	SDL_WM_SetCaption("Warzone UI Simulator", NULL);
+		
+	// Init OpenGL
+	glClearColor(0.8f, 0.8f, 0.8f, 0.0f);
+	glCullFace(GL_BACK);
+	glEnable(GL_BLEND);
+	glBlendFunc(GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	glBlendColor(1.0f, 1.0f, 1.0f, 1.0f);
+	glEnable(GL_TEXTURE_RECTANGLE_ARB);
+	
+	glViewport(0, 0, 800, 600);
+	
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glOrtho(0.0, 800, 600, 0.0, -1.0, 1.0);
+	
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	
+	/*
+	 * Create the GUI
+	 */
+	widgetSDLInit();
+	createGUI();
+	
+	// Main event loop
+	while (!quit)
+	{
+		int i;
+		
+		while (SDL_PollEvent(&sdlEvent))
+		{			
+			if (sdlEvent.type == SDL_QUIT)
+			{
+				quit = true;
+			}
+			else
+			{
+				widgetHandleSDLEvent(&sdlEvent);
+			}
+		}
+		
+		// Fire timer events
+		widgetFireTimers();
+		
+		glClear(GL_COLOR_BUFFER_BIT);
+		
+		for (i = 0; i < vectorSize(windowGetWindowVector()); i++)
+		{
+			window *wnd = vectorAt(windowGetWindowVector(), i);
+			
+			widgetDraw(WIDGET(wnd));
+			widgetComposite(WIDGET(wnd));
+		}
+		
+		
+		SDL_GL_SwapBuffers();
+	}
+
+	widgetSDLQuit();
+	
+	return EXIT_SUCCESS;
+}