SDL 2.0
testhittesting.c
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1#include <stdio.h>
2#include "SDL.h"
3
4/* !!! FIXME: rewrite this to be wired in to test framework. */
5
6#define RESIZE_BORDER 20
7
9 { 20, 20, 100, 100 },
10 { 200, 70, 100, 100 },
11 { 400, 90, 100, 100 }
12};
13
14static const SDL_Rect *areas = drag_areas;
16
19{
20 int i;
21 int w, h;
22
23 for (i = 0; i < numareas; i++) {
24 if (SDL_PointInRect(pt, &areas[i])) {
25 SDL_Log("HIT-TEST: DRAGGABLE\n");
27 }
28 }
29
31
32 #define REPORT_RESIZE_HIT(name) { \
33 SDL_Log("HIT-TEST: RESIZE_" #name "\n"); \
34 return SDL_HITTEST_RESIZE_##name; \
35 }
36
37 if (pt->x < RESIZE_BORDER && pt->y < RESIZE_BORDER) {
38 REPORT_RESIZE_HIT(TOPLEFT);
39 } else if (pt->x > RESIZE_BORDER && pt->x < w - RESIZE_BORDER && pt->y < RESIZE_BORDER) {
41 } else if (pt->x > w - RESIZE_BORDER && pt->y < RESIZE_BORDER) {
42 REPORT_RESIZE_HIT(TOPRIGHT);
43 } else if (pt->x > w - RESIZE_BORDER && pt->y > RESIZE_BORDER && pt->y < h - RESIZE_BORDER) {
44 REPORT_RESIZE_HIT(RIGHT);
45 } else if (pt->x > w - RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
46 REPORT_RESIZE_HIT(BOTTOMRIGHT);
47 } else if (pt->x < w - RESIZE_BORDER && pt->x > RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
48 REPORT_RESIZE_HIT(BOTTOM);
49 } else if (pt->x < RESIZE_BORDER && pt->y > h - RESIZE_BORDER) {
50 REPORT_RESIZE_HIT(BOTTOMLEFT);
51 } else if (pt->x < RESIZE_BORDER && pt->y < h - RESIZE_BORDER && pt->y > RESIZE_BORDER) {
53 }
54
55 SDL_Log("HIT-TEST: NORMAL\n");
56 return SDL_HITTEST_NORMAL;
57}
58
59
60int main(int argc, char **argv)
61{
62 int done = 0;
65
66 /* !!! FIXME: check for errors. */
70
72 SDL_Log("Enabling hit-testing failed!\n");
73 SDL_Quit();
74 return 1;
75 }
76
77 while (!done)
78 {
80 int nothing_to_do = 1;
81
82 SDL_SetRenderDrawColor(renderer, 0, 0, 127, 255);
84 SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
87
88 while (SDL_PollEvent(&e)) {
89 nothing_to_do = 0;
90
91 switch (e.type)
92 {
94 SDL_Log("button down!\n");
95 break;
96
98 SDL_Log("button up!\n");
99 break;
100
101 case SDL_WINDOWEVENT:
102 if (e.window.event == SDL_WINDOWEVENT_MOVED) {
103 SDL_Log("Window event moved to (%d, %d)!\n", (int) e.window.data1, (int) e.window.data2);
104 }
105 break;
106
107 case SDL_KEYDOWN:
108 if (e.key.keysym.sym == SDLK_ESCAPE) {
109 done = 1;
110 } else if (e.key.keysym.sym == SDLK_x) {
111 if (!areas) {
114 } else {
115 areas = NULL;
116 numareas = 0;
117 }
118 }
119 break;
120
121 case SDL_QUIT:
122 done = 1;
123 break;
124 }
125 }
126
127 if (nothing_to_do) {
128 SDL_Delay(50);
129 }
130 }
131
132 SDL_Quit();
133 return 0;
134}
#define SDL_INIT_VIDEO
Definition: SDL.h:79
#define SDL_RenderPresent
#define SDL_GetWindowSize
#define SDL_SetWindowHitTest
#define SDL_PollEvent
#define SDL_SetRenderDrawColor
#define SDL_CreateWindow
#define SDL_CreateRenderer
#define SDL_RenderClear
#define SDL_Delay
#define SDL_Quit
#define SDL_Init
#define SDL_Log
#define SDL_RenderFillRects
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 SDL_AssertionHandler void SDL_SpinLock SDL_atomic_t int int return SDL_atomic_t return void void void return void return int return SDL_AudioSpec SDL_AudioSpec return int int return return int SDL_RWops int SDL_AudioSpec Uint8 Uint32 * e
@ SDL_QUIT
Definition: SDL_events.h:60
@ SDL_MOUSEBUTTONUP
Definition: SDL_events.h:107
@ SDL_WINDOWEVENT
Definition: SDL_events.h:92
@ SDL_MOUSEBUTTONDOWN
Definition: SDL_events.h:106
@ SDL_KEYDOWN
Definition: SDL_events.h:96
#define SDLCALL
Definition: SDL_internal.h:49
@ SDLK_x
Definition: SDL_keycode.h:123
@ SDLK_ESCAPE
Definition: SDL_keycode.h:55
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
GLfloat GLfloat GLfloat GLfloat h
GLubyte GLubyte GLubyte GLubyte w
SDL_FORCE_INLINE SDL_bool SDL_PointInRect(const SDL_Point *p, const SDL_Rect *r)
Returns true if point resides inside a rectangle.
Definition: SDL_rect.h:99
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:115
SDL_HitTestResult
Possible return values from the SDL_HitTest callback.
Definition: SDL_video.h:1021
@ SDL_HITTEST_DRAGGABLE
Definition: SDL_video.h:1023
@ SDL_HITTEST_NORMAL
Definition: SDL_video.h:1022
#define SDL_WINDOWPOS_CENTERED
Definition: SDL_video.h:139
@ SDL_WINDOW_RESIZABLE
Definition: SDL_video.h:105
@ SDL_WINDOW_BORDERLESS
Definition: SDL_video.h:104
@ SDL_WINDOWEVENT_MOVED
Definition: SDL_video.h:153
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
#define NULL
Definition: begin_code.h:167
int done
Definition: checkkeys.c:28
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
The structure that defines a point (integer)
Definition: SDL_rect.h:49
int x
Definition: SDL_rect.h:50
int y
Definition: SDL_rect.h:51
A rectangle, with the origin at the upper left (integer).
Definition: SDL_rect.h:78
The type used to identify a window.
Definition: SDL_sysvideo.h:74
static SDL_Renderer * renderer
const SDL_Rect drag_areas[]
Definition: testhittesting.c:8
#define RESIZE_BORDER
Definition: testhittesting.c:6
static int numareas
int main(int argc, char **argv)
static SDL_HitTestResult hitTest(SDL_Window *window, const SDL_Point *pt, void *data)
static const SDL_Rect * areas
#define REPORT_RESIZE_HIT(name)
General event structure.
Definition: SDL_events.h:558