SDL  2.0
testwm2.c
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1 /*
2  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
3 
4  This software is provided 'as-is', without any express or implied
5  warranty. In no event will the authors be held liable for any damages
6  arising from the use of this software.
7 
8  Permission is granted to anyone to use this software for any purpose,
9  including commercial applications, and to alter it and redistribute it
10  freely.
11 */
12 
13 #include <stdlib.h>
14 #include <stdio.h>
15 
16 #ifdef __EMSCRIPTEN__
17 #include <emscripten/emscripten.h>
18 #endif
19 
20 #include "SDL_test_common.h"
21 
23 int done;
24 
25 static const char *cursorNames[] = {
26  "arrow",
27  "ibeam",
28  "wait",
29  "crosshair",
30  "waitarrow",
31  "sizeNWSE",
32  "sizeNESW",
33  "sizeWE",
34  "sizeNS",
35  "sizeALL",
36  "NO",
37  "hand",
38 };
39 int system_cursor = -1;
41 
42 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
43 static void
44 quit(int rc)
45 {
47  exit(rc);
48 }
49 
50 void
52 {
53  int i;
55  /* Check for events */
56  while (SDL_PollEvent(&event)) {
58 
59  if (event.type == SDL_WINDOWEVENT) {
60  if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
61  SDL_Window *window = SDL_GetWindowFromID(event.window.windowID);
62  if (window) {
63  SDL_Log("Window %d resized to %dx%d\n",
64  event.window.windowID,
65  event.window.data1,
66  event.window.data2);
67  }
68  }
69  if (event.window.event == SDL_WINDOWEVENT_MOVED) {
70  SDL_Window *window = SDL_GetWindowFromID(event.window.windowID);
71  if (window) {
72  SDL_Log("Window %d moved to %d,%d (display %s)\n",
73  event.window.windowID,
74  event.window.data1,
75  event.window.data2,
77  }
78  }
79  }
80  if (event.type == SDL_KEYUP) {
81  SDL_bool updateCursor = SDL_FALSE;
82 
83  if (event.key.keysym.sym == SDLK_LEFT) {
84  --system_cursor;
85  if (system_cursor < 0) {
87  }
88  updateCursor = SDL_TRUE;
89  } else if (event.key.keysym.sym == SDLK_RIGHT) {
90  ++system_cursor;
92  system_cursor = 0;
93  }
94  updateCursor = SDL_TRUE;
95  }
96  if (updateCursor) {
97  SDL_Log("Changing cursor to \"%s\"", cursorNames[system_cursor]);
101  }
102  }
103  }
104 
105  for (i = 0; i < state->num_windows; ++i) {
109  }
110 #ifdef __EMSCRIPTEN__
111  if (done) {
112  emscripten_cancel_main_loop();
113  }
114 #endif
115 }
116 
117 int
118 main(int argc, char *argv[])
119 {
120  int i;
121 
122  /* Enable standard application logging */
124 
126 
127  /* Initialize test framework */
129  if (!state) {
130  return 1;
131  }
132  for (i = 1; i < argc;) {
133  int consumed;
134 
135  consumed = SDLTest_CommonArg(state, i);
136  if (consumed == 0) {
137  consumed = -1;
138  }
139  if (consumed < 0) {
140  SDL_Log("Usage: %s %s\n", argv[0], SDLTest_CommonUsage(state));
141  quit(1);
142  }
143  i += consumed;
144  }
145  if (!SDLTest_CommonInit(state)) {
146  quit(2);
147  }
148 
151 
152  for (i = 0; i < state->num_windows; ++i) {
154  SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
156  }
157 
158  /* Main render loop */
159  done = 0;
160 #ifdef __EMSCRIPTEN__
161  emscripten_set_main_loop(loop, 0, 1);
162 #else
163  while (!done) {
164  loop();
165  }
166 #endif
168 
169  quit(0);
170  /* keep the compiler happy ... */
171  return(0);
172 }
173 
174 /* vi: set ts=4 sw=4 expandtab: */
SDL_GetWindowDisplayIndex
#define SDL_GetWindowDisplayIndex
Definition: SDL_dynapi_overrides.h:510
SDL_RenderPresent
#define SDL_RenderPresent
Definition: SDL_dynapi_overrides.h:346
SDL_NUM_SYSTEM_CURSORS
@ SDL_NUM_SYSTEM_CURSORS
Definition: SDL_mouse.h:60
SDL_Cursor
Definition: SDL_mouse_c.h:31
SDL_PollEvent
#define SDL_PollEvent
Definition: SDL_dynapi_overrides.h:122
SDL_LOG_CATEGORY_APPLICATION
@ SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
NULL
#define NULL
Definition: begin_code.h:164
SDL_KEYUP
@ SDL_KEYUP
Definition: SDL_events.h:97
SDLTest_CommonState
Definition: SDL_test_common.h:52
SDL_GetDisplayName
#define SDL_GetDisplayName
Definition: SDL_dynapi_overrides.h:502
cursorNames
static const char * cursorNames[]
Definition: testwm2.c:25
SDL_WINDOWEVENT_RESIZED
@ SDL_WINDOWEVENT_RESIZED
Definition: SDL_video.h:155
SDL_CreateSystemCursor
#define SDL_CreateSystemCursor
Definition: SDL_dynapi_overrides.h:253
SDL_ENABLE
#define SDL_ENABLE
Definition: SDL_events.h:756
SDL_WINDOWEVENT_MOVED
@ SDL_WINDOWEVENT_MOVED
Definition: SDL_video.h:153
SDL_SetCursor
#define SDL_SetCursor
Definition: SDL_dynapi_overrides.h:254
SDLK_LEFT
@ SDLK_LEFT
Definition: SDL_keycode.h:152
SDLTest_CommonState::renderers
SDL_Renderer ** renderers
Definition: SDL_test_common.h:84
state
static SDLTest_CommonState * state
Definition: testwm2.c:22
SDLTest_CommonCreateState
SDLTest_CommonState * SDLTest_CommonCreateState(char **argv, Uint32 flags)
Parse command line parameters and create common state.
Definition: SDL_test_common.c:48
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:74
SDLTest_CommonQuit
void SDLTest_CommonQuit(SDLTest_CommonState *state)
Close test window.
Definition: SDL_test_common.c:1794
SDLTest_CommonState::num_windows
int num_windows
Definition: SDL_test_common.h:77
event
struct _cl_event * event
Definition: SDL_opengl_glext.h:2649
SDL_Renderer
Definition: SDL_sysrender.h:86
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:31
SDL_test_common.h
SDL_DROPTEXT
@ SDL_DROPTEXT
Definition: SDL_events.h:142
loop
void loop()
Definition: testwm2.c:51
SDLTest_CommonArg
int SDLTest_CommonArg(SDLTest_CommonState *state, int index)
Process one common argument.
Definition: SDL_test_common.c:106
SDL_GetWindowFromID
#define SDL_GetWindowFromID
Definition: SDL_dynapi_overrides.h:517
SDL_SystemCursor
SDL_SystemCursor
Cursor types for SDL_CreateSystemCursor().
Definition: SDL_mouse.h:47
SDL_TRUE
@ SDL_TRUE
Definition: SDL_stdinc.h:164
SDL_assert
#define SDL_assert(condition)
Definition: SDL_assert.h:169
cursor
SDL_Cursor * cursor
Definition: testwm2.c:40
SDL_arraysize
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:115
SDLTest_CommonInit
SDL_bool SDLTest_CommonInit(SDLTest_CommonState *state)
Open test window.
Definition: SDL_test_common.c:726
SDL_INIT_VIDEO
#define SDL_INIT_VIDEO
Definition: SDL.h:79
SDL_LOG_PRIORITY_INFO
@ SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
main
int main(int argc, char *argv[])
Definition: testwm2.c:118
renderer
static SDL_Renderer * renderer
Definition: testaudiocapture.c:21
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:236
done
int done
Definition: testwm2.c:23
quit
static void quit(int rc)
Definition: testwm2.c:44
SDL_RenderClear
#define SDL_RenderClear
Definition: SDL_dynapi_overrides.h:334
system_cursor
int system_cursor
Definition: testwm2.c:39
SDL_SetRenderDrawColor
#define SDL_SetRenderDrawColor
Definition: SDL_dynapi_overrides.h:330
SDL_EventState
#define SDL_EventState
Definition: SDL_dynapi_overrides.h:131
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:162
SDL_Event
General event structure.
Definition: SDL_events.h:558
SDL_WINDOWEVENT
@ SDL_WINDOWEVENT
Definition: SDL_events.h:92
SDL_FALSE
@ SDL_FALSE
Definition: SDL_stdinc.h:163
SDLTest_CommonUsage
const char * SDLTest_CommonUsage(SDLTest_CommonState *state)
Returns common usage information.
Definition: SDL_test_common.c:478
SDLK_RIGHT
@ SDLK_RIGHT
Definition: SDL_keycode.h:151
SDLTest_CommonEvent
void SDLTest_CommonEvent(SDLTest_CommonState *state, SDL_Event *event, int *done)
Common event handler for test windows.
Definition: SDL_test_common.c:1463
SDL_FreeCursor
#define SDL_FreeCursor
Definition: SDL_dynapi_overrides.h:257
i
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
SDL_DROPFILE
@ SDL_DROPFILE
Definition: SDL_events.h:141