Commit | Line | Data |
---|---|---|
277e8f9c TM |
1 | //gcc -Wextra -pedantic-errors -o main.out main.c -lSDL2 |
2 | ||
5a018b17 | 3 | #include <unistd.h> |
277e8f9c TM |
4 | #include <stdio.h> |
5 | #include <stdlib.h> | |
6 | ||
7 | #include <SDL2/SDL.h> | |
8 | ||
9 | #define WINDOW_WIDTH 600 | |
10 | ||
11 | int main(void) { | |
12 | SDL_Event event; | |
13 | SDL_Renderer *renderer; | |
14 | SDL_Window *window; | |
15 | int i; | |
16 | ||
17 | SDL_Init(SDL_INIT_VIDEO); | |
cb8003e6 | 18 | SDL_CreateWindowAndRenderer(WINDOW_WIDTH, WINDOW_WIDTH, SDL_WINDOW_RESIZABLE, &window, &renderer); |
277e8f9c | 19 | //SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP); |
cb8003e6 TM |
20 | //SDL_RenderSetScale(renderer, 2.0, 2.0); |
21 | SDL_SetWindowTitle(window, "Simple SDL paint"); | |
22 | ||
277e8f9c TM |
23 | |
24 | SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0); | |
25 | SDL_RenderClear(renderer); | |
26 | SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255); | |
27 | ||
28 | for (i = 0; i < WINDOW_WIDTH; ++i) | |
29 | SDL_RenderDrawPoint(renderer, i, i); | |
30 | ||
31 | SDL_RenderPresent(renderer); | |
32 | ||
33 | int running = 1; | |
34 | int mouseX, mouseY; | |
cdfd4745 TM |
35 | Uint32 fullscreen_status = 0; |
36 | ||
277e8f9c TM |
37 | while(running) { |
38 | event.type = 0; | |
39 | if(SDL_PollEvent(&event)) { | |
40 | switch(event.type){ | |
cb8003e6 TM |
41 | case SDL_WINDOWEVENT: |
42 | break; | |
277e8f9c TM |
43 | case SDL_QUIT: |
44 | running = 0; | |
45 | break; | |
5a018b17 TM |
46 | case SDL_KEYDOWN: |
47 | //case SDL_KEYUP: | |
48 | printf("Key: %d\t%d\t%d\n", event.key.keysym.scancode, event.key.keysym.sym, event.key.keysym.mod ); | |
cdfd4745 TM |
49 | |
50 | if(event.key.keysym.scancode == SDL_SCANCODE_F && event.key.keysym.mod == KMOD_LCTRL) { | |
51 | fullscreen_status = fullscreen_status ? 0 : SDL_WINDOW_FULLSCREEN_DESKTOP; | |
52 | SDL_SetWindowFullscreen(window, fullscreen_status); | |
53 | } | |
54 | ||
55 | if(event.key.keysym.scancode == SDL_SCANCODE_Q && event.key.keysym.mod == KMOD_LCTRL) { | |
56 | running = 0; | |
57 | } | |
58 | ||
5a018b17 | 59 | break; |
277e8f9c TM |
60 | case SDL_MOUSEBUTTONDOWN: |
61 | //do whatever you want to do after a mouse button was pressed, | |
62 | // e.g.: | |
63 | //if(event.button.button == SDL_BUTTON_LEFT) { | |
5a018b17 TM |
64 | while(event.type != SDL_MOUSEBUTTONUP) { |
65 | SDL_GetMouseState(&mouseX, &mouseY); | |
66 | SDL_RenderDrawPoint(renderer, mouseX, mouseY); | |
67 | SDL_RenderDrawPoint(renderer, mouseX, mouseY+1); | |
68 | SDL_RenderDrawPoint(renderer, mouseX+1, mouseY); | |
69 | SDL_RenderDrawPoint(renderer, mouseX+1, mouseY+1); | |
70 | SDL_RenderPresent(renderer); | |
71 | SDL_PollEvent(&event); | |
72 | } | |
73 | printf("Click: %d\t%d\t%d\n", mouseX, mouseY, event.button.button); | |
277e8f9c TM |
74 | //} |
75 | break; | |
76 | } | |
77 | } | |
5a018b17 | 78 | usleep(10000); |
277e8f9c TM |
79 | } |
80 | SDL_DestroyRenderer(renderer); | |
81 | SDL_DestroyWindow(window); | |
82 | SDL_Quit(); | |
83 | return EXIT_SUCCESS; | |
84 | } |