1 /*
2 Copyright (C) 1997-2016 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
22 static SDLTest_CommonState *state;
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;
40 SDL_Cursor *cursor = NULL;
41
42 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
43 static void
quit(int rc)44 quit(int rc)
45 {
46 SDLTest_CommonQuit(state);
47 exit(rc);
48 }
49
50 void
loop()51 loop()
52 {
53 int i;
54 SDL_Event event;
55 /* Check for events */
56 while (SDL_PollEvent(&event)) {
57 SDLTest_CommonEvent(state, &event, &done);
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,
76 SDL_GetDisplayName(SDL_GetWindowDisplayIndex(window)));
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) {
86 system_cursor = SDL_NUM_SYSTEM_CURSORS - 1;
87 }
88 updateCursor = SDL_TRUE;
89 } else if (event.key.keysym.sym == SDLK_RIGHT) {
90 ++system_cursor;
91 if (system_cursor >= SDL_NUM_SYSTEM_CURSORS) {
92 system_cursor = 0;
93 }
94 updateCursor = SDL_TRUE;
95 }
96 if (updateCursor) {
97 SDL_Log("Changing cursor to \"%s\"", cursorNames[system_cursor]);
98 SDL_FreeCursor(cursor);
99 cursor = SDL_CreateSystemCursor((SDL_SystemCursor)system_cursor);
100 SDL_SetCursor(cursor);
101 }
102 }
103 }
104
105 for (i = 0; i < state->num_windows; ++i) {
106 SDL_Renderer *renderer = state->renderers[i];
107 SDL_RenderClear(renderer);
108 SDL_RenderPresent(renderer);
109 }
110 #ifdef __EMSCRIPTEN__
111 if (done) {
112 emscripten_cancel_main_loop();
113 }
114 #endif
115 }
116
117 int
main(int argc,char * argv[])118 main(int argc, char *argv[])
119 {
120 int i;
121
122 /* Enable standard application logging */
123 SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
124
125 SDL_assert(SDL_arraysize(cursorNames) == SDL_NUM_SYSTEM_CURSORS);
126
127 /* Initialize test framework */
128 state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
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
149 for (i = 0; i < state->num_windows; ++i) {
150 SDL_Renderer *renderer = state->renderers[i];
151 SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
152 SDL_RenderClear(renderer);
153 }
154
155 /* Main render loop */
156 done = 0;
157 #ifdef __EMSCRIPTEN__
158 emscripten_set_main_loop(loop, 0, 1);
159 #else
160 while (!done) {
161 loop();
162 }
163 #endif
164 SDL_FreeCursor(cursor);
165
166 quit(0);
167 /* keep the compiler happy ... */
168 return(0);
169 }
170
171 /* vi: set ts=4 sw=4 expandtab: */
172