forked from KolibriOS/kolibrios
122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
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/* Event Constants */
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#define REDRAW_EVENT 1
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#define KEY_EVENT 2
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#define BUTTON_EVENT 3
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/* Window Style Constants */
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#define WS_SKINNED_FIXED 0x4000000
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#define WS_COORD_CLIENT 0x20000000
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#define WS_CAPTION 0x10000000
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/* Caption Style Constants */
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#define CS_MOVABLE 0
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/* Charset specifiers for DrawText */
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#define DT_CP866_8X16 0x10000000
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/* Fill styles for DrawText */
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#define DT_FILL_OPAQUE 0x40000000
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/* Draw zero terminated string for DrawText */
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#define DT_ZSTRING 0x80000000
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/* Button identifiesrs */
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#define BUTTON_CLOSE 1
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/* Key code values */
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#define KEY_CODE_ENTER 13
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#pragma pack(1)
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struct TButtonInput{
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union{
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struct{
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unsigned char MouseButton;
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unsigned short ID;
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unsigned char HiID;
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};
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unsigned long Value;
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};
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};
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struct TKeyboardInput{
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union{
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struct{
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unsigned char Flag;
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char Code;
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union{
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char Scan;
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unsigned short Control;
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};
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};
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unsigned long Value;
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};
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};
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struct TSize{
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union{
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struct{
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unsigned short Height;
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unsigned short Width;
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};
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unsigned long Value;
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};
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};
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struct TRect{
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long Left;
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long Top;
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long Right;
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long Bottom;
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};
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extern struct TButtonInput __stdcall GetButton(void);
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extern struct TKeyboardInput __stdcall GetKey(void);
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extern struct TSize __stdcall GetScreenSize(void);
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extern unsigned long __stdcall WaitEvent(void);
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extern void __stdcall BeginDraw(void);
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extern void __stdcall EndDraw(void);
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extern void __stdcall ThreadTerminate(void);
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extern void __stdcall DrawWindow(long Left,
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long Top,
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long Right,
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long Bottom,
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char* Caption,
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unsigned long BackColor,
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unsigned long Style,
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unsigned long CapStyle);
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extern void __stdcall DrawText(long X,
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long Y,
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char* Text,
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unsigned long ForeColor,
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unsigned long BackColor,
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unsigned long Flags,
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unsigned long Count);
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struct TSize Screen;
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struct TRect Window;
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void Main(){
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Screen = GetScreenSize();
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Window.Right = Screen.Width / 3;
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Window.Bottom = Screen.Height / 3;
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Window.Left = (Screen.Width - Window.Right) / 2;
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Window.Top = (Screen.Height - Window.Bottom) / 2;
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while(1){
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switch (WaitEvent()){
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case BUTTON_EVENT:
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if (GetButton().ID == BUTTON_CLOSE) ThreadTerminate();
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break;
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case KEY_EVENT:
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if (GetKey().Code == KEY_CODE_ENTER) ThreadTerminate();
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break;
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case REDRAW_EVENT:
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BeginDraw();
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DrawWindow(Window.Right, Window.Bottom, Window.Left, Window.Top, "C with KolibriOS.lib", 0x00C0DDEE, WS_SKINNED_FIXED | WS_COORD_CLIENT | WS_CAPTION, CS_MOVABLE);
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DrawText( 8, 25, "Press Enter to quit", 0, 0x00FFFFFF, DT_CP866_8X16 | DT_FILL_OPAQUE | DT_ZSTRING, 0);
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EndDraw();
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break;
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}
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}
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}
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