146 lines
3.0 KiB
C
146 lines
3.0 KiB
C
/* vim: tabstop=4 shiftwidth=4 noexpandtab
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*
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* Wallpaper renderer.
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*
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*/
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#include <stdlib.h>
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#include <assert.h>
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#include <unistd.h>
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#include <math.h>
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#include "lib/window.h"
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#include "lib/graphics.h"
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sprite_t * sprites[128];
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sprite_t alpha_tmp;
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#define ICON_X 24
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#define ICON_TOP_Y 40
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#define ICON_SPACING_Y 74
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#define ICON_WIDTH 48
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uint16_t win_width;
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uint16_t win_height;
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gfx_context_t * ctx;
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int center_x(int x) {
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return (win_width - x) / 2;
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}
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int center_y(int y) {
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return (win_height - y) / 2;
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}
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typedef struct {
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char * icon;
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char * appname;
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char * title;
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} application_t;
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application_t applications[] = {
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{"/usr/share/icons/utilities-terminal.png", "terminal", "Terminal"},
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{"/usr/share/icons/applications-painting.png", "draw", "Draw"},
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{"/usr/share/icons/applications-simulation.png", "game", "RPG Demo"},
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{NULL, NULL, NULL}
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};
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volatile int _continue = 1;
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void sig_int(int sig) {
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printf("Received shutdown signal in wallpaper!\n");
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_continue = 0;
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}
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void launch_application(char * app) {
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if (!fork()) {
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char name[512];
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sprintf(name, "/bin/%s", app);
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printf("Starting %s\n", name);
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char * args[] = {name, NULL};
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execvp(args[0], args);
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exit(1);
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}
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}
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char * next_run_activate = NULL;
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void wallpaper_check_click(w_mouse_t * evt) {
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if (evt->command == WE_MOUSECLICK) {
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printf("Click!\n");
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if (evt->new_x > ICON_X && evt->new_x < ICON_X + ICON_WIDTH) {
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uint32_t i = 0;
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while (1) {
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if (!applications[i].icon) {
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break;
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}
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if ((evt->new_y > ICON_TOP_Y + ICON_SPACING_Y * i) &&
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(evt->new_y < ICON_TOP_Y + ICON_SPACING_Y + ICON_SPACING_Y * i)) {
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printf("Launching application \"%s\"...\n", applications[i].title);
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next_run_activate = applications[i].appname;
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}
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++i;
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}
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/* Within the icon range */
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}
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}
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}
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void init_sprite_png(int i, char * filename) {
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sprites[i] = malloc(sizeof(sprite_t));
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load_sprite_png(sprites[i], filename);
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}
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int main (int argc, char ** argv) {
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setup_windowing();
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int width = wins_globals->server_width;
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int height = wins_globals->server_height;
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win_width = width;
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win_height = height;
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/* Do something with a window */
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window_t * wina = window_create(0,0, width, height);
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assert(wina);
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window_reorder (wina, 0);
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ctx = init_graphics_window_double_buffer(wina);
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draw_fill(ctx, rgb(127,127,127));
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flip(ctx);
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syscall_signal(2, sig_int);
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init_sprite_png(0, "/usr/share/wallpaper.png");
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draw_sprite_scaled(ctx, sprites[0], 0, 0, width, height);
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flip(ctx);
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/* Load Application Shortcuts */
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uint32_t i = 0;
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while (1) {
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if (!applications[i].icon) {
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break;
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}
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printf("Loading png %s\n", applications[i].icon);
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init_sprite_png(i+1, applications[i].icon);
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draw_sprite(ctx, sprites[i+1], ICON_X, ICON_TOP_Y + ICON_SPACING_Y * i);
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++i;
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}
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flip(ctx);
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/* Enable mouse */
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win_use_threaded_handler();
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mouse_action_callback = wallpaper_check_click;
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while (_continue) {
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if (next_run_activate) {
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launch_application(next_run_activate);
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next_run_activate = NULL;
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}
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syscall_yield();
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}
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teardown_windowing();
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return 0;
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}
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