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Copy pathtesthittesting.c
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132 lines (109 loc) · 3.93 KB
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#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 SDLCALL
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_
8C1E
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;
}