rt-thread-official/examples/module/ftk_app/ftk_demo/demo_transparent.c

138 lines
3.4 KiB
C

#include "ftk.h"
void create_dialog(FtkBitmap* bitmap, FtkColor bg);
static void create_app_window(void);
static Ret button_open_image_dialog(void* ctx, void* obj)
{
char filename[FTK_MAX_PATH+1] = {0};
FtkBitmap* bitmap = NULL;
FtkColor bg = {0};
bg.r = 0xff;
bg.g = 0xff;
bg.b = 0xff;
ftk_snprintf(filename, FTK_MAX_PATH, "%s/earth.png",
ftk_config_get_test_data_dir(ftk_default_config()));
bitmap = ftk_bitmap_factory_load(ftk_default_bitmap_factory(), filename);
bg.a = 0x0;
create_dialog(bitmap, bg);
return RET_OK;
}
static Ret button_open_transparent_dialog(void* ctx, void* obj)
{
FtkColor bg = {0};
bg.a = 0x80;
bg.r = 0xff;
bg.g = 0xff;
bg.b = 0xff;
create_dialog(NULL, bg);
return RET_OK;
}
static Ret button_quit_clicked(void* ctx, void* obj)
{
*(int*)ctx = ftk_widget_id(obj);
return RET_QUIT;
}
static Ret button_close_clicked(void* ctx, void* obj)
{
ftk_widget_unref(ctx);
return RET_OK;
}
void create_dialog(FtkBitmap* bitmap, FtkColor bg)
{
int id = 0;
int width = ftk_display_width(ftk_default_display());
int height = ftk_display_height(ftk_default_display());
FtkWidget* button = NULL;
FtkWidget* label = NULL;
FtkWidget* dialog = ftk_dialog_create(0, 5, 320, height-60);
ftk_widget_set_attr(dialog, FTK_ATTR_BG_CENTER);
ftk_window_set_background_with_alpha(dialog, bitmap, bg);
width = ftk_widget_width(dialog);
height = ftk_widget_height(dialog);
//label = ftk_label_create(dialog, width/8, height/4, 3*width/4, 20);
//ftk_widget_set_text(label, "Are you sure to quit?");
label = ftk_label_create(dialog, width/8, height/2, 3*width/4, 20);
ftk_widget_set_text(label, "Are you sure to quit?");
button = ftk_button_create(dialog, width/6, 3*height/4, width/3, 50);
ftk_widget_set_text(button, "yes");
ftk_button_set_clicked_listener(button, button_quit_clicked, &id);
button = ftk_button_create(dialog, width/2, 3*height/4, width/3, 50);
ftk_widget_set_text(button, "no");
ftk_button_set_clicked_listener(button, button_quit_clicked, &id);
ftk_window_set_focus(dialog, button);
ftk_widget_set_text(dialog, "transparent demo");
ftk_widget_show_all(dialog, 1);
assert(ftk_dialog_run(dialog) == id);
ftk_widget_unref(dialog);
return;
}
static void create_app_window(void)
{
int width = 0;
int height = 0;
FtkWidget* win = ftk_app_window_create();
FtkWidget* button = NULL;
width = ftk_widget_width(win);
height = ftk_widget_height(win);
button = ftk_button_create(win, 0, height/6, width/3, 50);
ftk_widget_set_text(button, "图片背景");
ftk_button_set_clicked_listener(button, button_open_image_dialog, win);
button = ftk_button_create(win, 2*width/3, height/6, width/3, 50);
ftk_widget_set_text(button, "半透明效果");
ftk_button_set_clicked_listener(button, button_open_transparent_dialog, win);
button = ftk_button_create(win, width/4, height/2, width/2, 60);
ftk_widget_set_text(button, "quit");
ftk_button_set_clicked_listener(button, button_close_clicked, win);
ftk_widget_set_text(win, "transparent");
ftk_widget_show_all(win, 1);
FTK_QUIT_WHEN_WIDGET_CLOSE(win);
return;
}
#ifdef FTK_AS_PLUGIN
#include "ftk_app_demo.h"
FTK_HIDE int FTK_MAIN(int argc, char* argv[]);
FtkApp* ftk_app_demo_transparent_create()
{
return ftk_app_demo_create(_("transparent"), ftk_main);
}
#else
#define FTK_HIDE extern
#endif /*FTK_AS_PLUGIN*/
FTK_HIDE int FTK_MAIN(int argc, char* argv[])
{
FTK_INIT(argc, argv);
create_app_window();
FTK_RUN();
return 0;
}