Atlas - testwm2.c
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[FILE BEGIN]
1/*
2  Copyright (C) 1997-2018 Sam Lantinga <[email protected]>
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
22static SDLTest_CommonState *state;
23int done;
24
25static 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};
39int system_cursor = -1;
40SDL_Cursor *cursor = NULL;
41
42/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
43static void
44quit(int rc)
45{
46    SDLTest_CommonQuit(state);
47    exit(rc);
48}
49
50void
51loop()
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
117int
118main(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    SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
150    SDL_EventState(SDL_DROPTEXT, SDL_ENABLE);
151
152    for (i = 0; i < state->num_windows; ++i) {
153        SDL_Renderer *renderer = state->renderers[i];
154        SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
155        SDL_RenderClear(renderer);
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
167    SDL_FreeCursor(cursor);
168
169    quit(0);
170    /* keep the compiler happy ... */
171    return(0);
172}
173
174/* vi: set ts=4 sw=4 expandtab: */
175
[FILE END]
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