void Init_Window(unsigned int Height, unsigned Width, std::string Title)
{
Window_Info.Height = Height;
Window_Info.Width = Width;
Window_Info.Title = Title;
Window_Info.Ren = nullptr;
Window_Info.Win = nullptr;
Window_Info.Sur = nullptr;
if (SDL_Init(SDL_INIT_VIDEO) < 0)
throw std::runtime_error("SDL Init Failed!!");
#ifdef SDL_EX_TTF
if (TTF_Init() < 0)
throw std::runtime_error("TTF Init Failed!!");
#endif
if (SDL_CreateWindowAndRenderer(Window_Info.Width, Window_Info.Height, SDL_WINDOW_SHOWN, &Window_Info.Win, &Window_Info.Ren) < 0)
{
std::cout << "F**k!!" << SDL_GetError() << std::endl;
}
std::cout << "F**k!!" << SDL_GetError() << std::endl;
SDL_SetWindowTitle(Window_Info.Win, Title.c_str());
Window_Info.Sur = SDL_GetWindowSurface(Window_Info.Win);
SetSDLWindowIcon(Window_Info.Win);
if (Window_Info.Sur == nullptr)
throw std::runtime_error("Failed to Get Window Surface!!");
}
int main()
{
_log("\n");
if(SDL_Init(SDL_INIT_VIDEO) < 0){
_log("SDL init error.\n");
return -1;
}
//Create window
gWindow = SDL_CreateWindow( "SDL Tutorial", POSITION_LEFT, POSITION_TOP, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE);
if( gWindow == NULL ) {
printf( "Window could not be created! SDL Error: %s\n", SDL_GetError() );
return -1;
}
//set window icon
char* bmp_path = "icon.bmp";
SetSDLWindowIcon(gWindow, bmp_path);
//Get window surface
gScreenSurface = SDL_GetWindowSurface( gWindow );
//设定监听的鼠标焦点位置
//下面所涉及的所有的坐标的计算都是基于坐标的原点在SDL窗口的左上角，而不是显示器屏幕的右上角
prepare_button_rect();
int oper_state = -1;
for(;;){
SDL_Event event;
double x;
SDL_WaitEvent(&event);
_log("===event.type=[%d]\n", event.type);
switch(event.type) {
case SDL_KEYDOWN: //监听按键事件，重绘进度条，刷新屏幕
{
printf("=========SDL_KEYDOWN===========");
break;
}
case SDL_MOUSEBUTTONDOWN: //监听鼠标点击事件，重绘button，刷新屏幕
{
x= event.button.x;
//若监测到在矩形框的范围内，则高亮显示矩形框，并且刷新屏幕surface
if(((x >= fast_rewind.x && x <= (fast_rewind.x + fast_rewind.w)) && (y >= fast_rewind.y && y <= (fast_rewind.y + fast_rewind.h)))){
oper_state = FAST_REWIND;
} else if(((x >= fast_forward.x && x <= (fast_forward.x + fast_forward.w)) && (y >= fast_forward.y && y <= (fast_forward.y + fast_forward.h)))){
oper_state = FAST_FORWARD;
} else if(((x >= pause.x && x <= (pause.x + pause.w)) && (y >= pause.y && y <= (pause.y + pause.h)))){
oper_state = PAUSE;
} else if(((x >= progress_bar.x && x <= (progress_bar.x + progress_bar.w)) && (y >= progress_bar.y && y <= (progress_bar.y + progress_bar.h)))){
oper_state = PROG_BAR;
}
if(oper_state <= PAUSE){ //重绘button，刷新屏幕
button_highlight_show(oper_state);
SDL_Flip(gBarSurface);
} else if(oper_state == PROG_BAR){ //计算显示进度，刷新屏幕
show_progress(x);
SDL_Flip(gBarSurface);
}
break;
}
case SDL_MOUSEMOTION: //监听鼠标移动事件，重绘button，刷新屏幕
{
x = event.motion.x;
if((event.motion.y >= (SCREEN_HEIGHT - 60) && event.motion.y =< SCREEN_HEIGHT)
&& (event.motion.x >= 0 && event.motion.x <= SCREEN_WIDTH))
{
SDL_Rect bar_rect;
bar_rect.x = 0;
bar_rect.y = SCREEN_HEIGHT - 60;
bar_rect.w = SCREEN_WIDTH;
bar_rect.h = 60;
SDL_FillRect(gBarSurface, &bar_rect, SDL_MapRGB(screen->format,255,255,0)); //填充颜色
SDL_SetAlpha(gBarSurface, SDL_SRCALPHA|SDL_RLEACCEL, 128);//半透明显示图片 ;128为设置透明度
show_barnner(x);
SDL_Flip(gBarSurface);
} else {
break;
}
if(event.motion.state == SDL_PRESSED){ //重绘进度条，刷新屏幕
if(((x >= progress_bar.x && x <= (progress_bar.x + progress_bar.w)) && (y >= progress_bar.y && y <= (progress_bar.y + progress_bar.h)))){
oper_state = PROG_BAR;
show_progress(x);
SDL_Flip(gBarSurface);
}
break;
} else {
if(((x >= progress_bar.x && x <= (progress_bar.x + progress_bar.w)) && (y >= progress_bar.y && y <= (progress_bar.y + progress_bar.h)))){
oper_state = PROG_BAR;
show_progress(x);
show_playtime(x);
SDL_Flip(gBarSurface);
}
break;
}
break;
}
case SDL_VIDEORESIZE: //更新窗口大小
{
printf("=====SDL_VIDEORESIZE=====\n");
break;
}
default:
{
printf("======default=====\n");
break;
}
}
}
