mirror of
https://github.com/Relintai/sdl2_frt.git
synced 2024-12-20 22:16:49 +01:00
24c86b5501
since the window system doesn't do it for us like other platforms. This prevents sticky keys and missed keys when going in and out of focus, for example Alt would appear to stick if switching away from an SDL app with Alt-Tab and had to be pressed again. CR: Sam
135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
#include <stdio.h>
|
|
#include "SDL.h"
|
|
|
|
/* !!! FIXME: rewrite this to be wired in to test framework. */
|
|
|
|
#define RESIZE_BORDER 20
|
|
|
|
const SDL_Rect drag_areas[] = {
|
|
{ 20, 20, 100, 100 },
|
|
{ 200, 70, 100, 100 },
|
|
{ 400, 90, 100, 100 }
|
|
};
|
|
|
|
static const SDL_Rect *areas = drag_areas;
|
|
static int numareas = SDL_arraysize(drag_areas);
|
|
|
|
static SDL_HitTestResult
|
|
hitTest(SDL_Window *window, const SDL_Point *pt, void *data)
|
|
{
|
|
int i;
|
|
int w, h;
|
|
|
|
for (i = 0; i < numareas; i++) {
|
|
if (SDL_PointInRect(pt, &areas[i])) {
|
|
SDL_Log("HIT-TEST: DRAGGABLE\n");
|
|
return SDL_HITTEST_DRAGGABLE;
|
|
}
|
|
}
|
|
|
|
SDL_GetWindowSize(window, &w, &h);
|
|
|
|
#define REPORT_RESIZE_HIT(name) { \
|
|
SDL_Log("HIT-TEST: RESIZE_" #name "\n"); \
|
|
return SDL_HITTEST_RESIZE_##name; \
|
|
}
|
|
|
|
if (pt->x < RESIZE_BORDER && pt->y < RESIZE_BORDER) {
|
|
REPORT_RESIZE_HIT(TOPLEFT);
|
|
} else if (pt->x > RESIZE_BORDER && pt->x < w - RESIZE_BORDER && pt->y < RESIZE_BORDER) {
|
|
REPORT_RESIZE_HIT(TOP);
|
|
} else if (pt->x > w - RESIZE_BORDER && pt->y < RESIZE_BORDER) {
|
|
REPORT_RESIZE_HIT(TOPRIGHT);
|
|
} else if (pt->x > w - RESIZE_BORDER && pt->y > RESIZE_BORDER && pt->y < h - RESIZE_BORDER) {
|
|
REPORT_RESIZE_HIT(RIGHT);
|
|
} else if (pt->x > w - RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
|
|
REPORT_RESIZE_HIT(BOTTOMRIGHT);
|
|
} else if (pt->x < w - RESIZE_BORDER && pt->x > RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
|
|
REPORT_RESIZE_HIT(BOTTOM);
|
|
} else if (pt->x < RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
|
|
REPORT_RESIZE_HIT(BOTTOMLEFT);
|
|
} else if (pt->x < RESIZE_BORDER && pt->y < h - RESIZE_BORDER && pt->y > RESIZE_BORDER) {
|
|
REPORT_RESIZE_HIT(LEFT);
|
|
}
|
|
|
|
SDL_Log("HIT-TEST: NORMAL\n");
|
|
return SDL_HITTEST_NORMAL;
|
|
}
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int done = 0;
|
|
SDL_Window *window;
|
|
SDL_Renderer *renderer;
|
|
|
|
/* !!! FIXME: check for errors. */
|
|
SDL_Init(SDL_INIT_VIDEO);
|
|
window = SDL_CreateWindow("Drag the red boxes", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 640, 480, SDL_WINDOW_BORDERLESS | SDL_WINDOW_RESIZABLE);
|
|
renderer = SDL_CreateRenderer(window, -1, 0);
|
|
|
|
if (SDL_SetWindowHitTest(window, hitTest, NULL) == -1) {
|
|
SDL_Log("Enabling hit-testing failed!\n");
|
|
SDL_Quit();
|
|
return 1;
|
|
}
|
|
|
|
while (!done)
|
|
{
|
|
SDL_Event e;
|
|
int nothing_to_do = 1;
|
|
|
|
SDL_SetRenderDrawColor(renderer, 0, 0, 127, 255);
|
|
SDL_RenderClear(renderer);
|
|
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
|
|
SDL_RenderFillRects(renderer, areas, SDL_arraysize(drag_areas));
|
|
SDL_RenderPresent(renderer);
|
|
|
|
while (SDL_PollEvent(&e)) {
|
|
nothing_to_do = 0;
|
|
|
|
switch (e.type)
|
|
{
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
SDL_Log("button down!\n");
|
|
break;
|
|
|
|
case SDL_MOUSEBUTTONUP:
|
|
SDL_Log("button up!\n");
|
|
break;
|
|
|
|
case SDL_WINDOWEVENT:
|
|
if (e.window.event == SDL_WINDOWEVENT_MOVED) {
|
|
SDL_Log("Window event moved to (%d, %d)!\n", (int) e.window.data1, (int) e.window.data2);
|
|
}
|
|
break;
|
|
|
|
case SDL_KEYDOWN:
|
|
if (e.key.keysym.sym == SDLK_ESCAPE) {
|
|
done = 1;
|
|
} else if (e.key.keysym.sym == SDLK_x) {
|
|
if (!areas) {
|
|
areas = drag_areas;
|
|
numareas = SDL_arraysize(drag_areas);
|
|
} else {
|
|
areas = NULL;
|
|
numareas = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case SDL_QUIT:
|
|
done = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (nothing_to_do) {
|
|
SDL_Delay(50);
|
|
}
|
|
}
|
|
|
|
SDL_Quit();
|
|
return 0;
|
|
}
|