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Make the blur test app interactive

Browse Source 
Type to change the text.
Resize if you need more space.
Alt+F4 to quit.

(And remember, focus follows mouse, but does not go through transparent
windows, so if you're in the right box, you'll be fine)
This commit is contained in:
Kevin Lange 2012-10-16 00:16:27 -07:00
parent 8c1a213696
commit 8b29bd7e21
1 changed files with 36 additions and 11 deletions
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47
userspace/blur_test.c
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@ -7,6 +7,10 @@
gfx_context_t * ctx;
window_t * window;
#define INPUT_SIZE 512
char input_buffer[INPUT_SIZE] = {0};
int input_collected = 0;
void display() {
gfx_context_t * tmp_c, * out_c;
sprite_t * tmp_s, * out_s;
@ -18,11 +22,11 @@ void display() {
out_c = init_graphics_sprite(out_s);
draw_fill(tmp_c, rgba(0,0,0,0));
draw_string(tmp_c, 20, 20, rgb(0,0,0), "Hello World");
draw_string(tmp_c, 20, 20, rgb(0,0,0), input_buffer);
blur_context(out_c, tmp_c, 3);
draw_string(out_c, 19, 19, rgb(255,255,255), "Hello World");
draw_string(out_c, 19, 19, rgb(255,255,255), input_buffer);
draw_fill(ctx, rgba(0,0,0,0));
draw_sprite(ctx, out_s, 0, 0);
@ -42,10 +46,30 @@ void display() {
void resize_callback(window_t * win) {
reinit_graphics_window(ctx, window);
draw_fill(ctx, rgb(0,0,0));
display();
}
int buffer_put(char c) {
if (c == 8) {
/* Backspace */
if (input_collected > 0) {
input_collected--;
input_buffer[input_collected] = '\0';
}
return 0;
}
if (c < 10 || (c > 10 && c < 32) || c > 126) {
return 0;
}
input_buffer[input_collected] = c;
input_collected++;
input_buffer[input_collected] = '\0';
if (input_collected == INPUT_SIZE - 1) {
return 1;
}
return 0;
}
int main(int argc, char * argv[]) {
setup_windowing();
@ -53,11 +77,11 @@ int main(int argc, char * argv[]) {
window = window_create(40, 40, 200, 30);
ctx = init_graphics_window_double_buffer(window);
draw_fill(ctx, rgba(0,0,0,0));
window_enable_alpha(window);
init_shmemfonts();
buffer_put('$');
display();
int playing = 1;
@ -68,16 +92,17 @@ int main(int argc, char * argv[]) {
do {
kbd = poll_keyboard();
if (kbd != NULL) {
ch = kbd->key;
if ((kbd->event.modifiers & KEY_MOD_LEFT_ALT) && (kbd->event.keycode == KEY_F4)) {
playing = 0;
break;
}
if (kbd->key) {
buffer_put(kbd->key);
display();
}
free(kbd);
}
} while (kbd != NULL);
switch (ch) {
case 'q':
playing = 0;
break;
}
}
teardown_windowing();