pwin.h

Very very small GUI. Usefull for small system, without OS or small OS. Event driven, support user m

 *  @param _win_ window @p win pointer
 *  @param _w_   new width of window 
 *  @param _h_   new height of window 
 *  @see Pw_Window
 */
#define Pw_WindowSetSize(_win_, _w_, _h_)      \
    Pw_WindowSetShape((_win_),                 \
                      (_win_)->area.x,         \
                      (_win_)->area.y,         \
                      (_w_),                   \
                      (_h_))

/**
 *  Gets the shape of window @p win.
 *  @param _win_ window @p win pointer
 *  @param _xp_  pointer to x position of window (returned)
 *  @param _yp_  pointer to y position of window (returned)
 *  @param _wp_  pointer to width of window (returned)
 *  @param _hp_  pointer to height of window (returned)
 *  @see Pw_Window
 */
#define Pw_WindowGetShape(_win_, _xp_, _yp_, _wp_, _hp_) \
    PW_MACRO_START                                       \
        *(_xp_) = (_win_)->area.x;                       \
        *(_yp_) = (_win_)->area.y;                       \
        *(_wp_) = (_win_)->area.w;                       \
        *(_hp_) = (_win_)->area.h;                       \
    PW_MACRO_END

/**
 *  Sets the focus acceptance of window @p win.
 *  @param _win_ window @p win pointer
 *  @see Pw_Window
 */   
#define Pw_WindowSetFocusAccept(_win_, _accept_) \
    ((_win_)->focus_accept = (_accept_))

/**
 *  Checks if window @p win is in focus.
 *  @param  _win_ window @p win pointer
 *  @return true if window is in focus 
 *  @see Pw_Window
 */ 
#define Pw_WindowIsInFocus(_win_) \
    ((_win_)->dpy->focus_win == (_win_))

/**
 *  Checks if window @p win is mapped.
 *  @param  _win_ window @p win pointer
 *  @return true if window is mapped 
 *  @see Pw_Window
 */ 
#define Pw_WindowIsMapped(_win_) \
    ((_win_)->mapped)

/**
 *  Gets the repaint callback of window @p win.
 *  @param  _win_ window @p win pointer
 *  @return the repaint callback of window 
 *  @see Pw_Window
 */ 
#define Pw_WindowGetRepaintCallback(_win_) \
    ((_win_)->repaint_cb)

/**
 *  Sets the repaint callback for window @p win.
 *  @param _win_ window @p win pointer
 *  @param _cb_  new repaint callback 
 *  @see Pw_Window
 */ 
#define Pw_WindowSetRepaintCallback(_win_, _cb_) \
    ((_win_)->repaint_cb = (_cb_))

/**
 *  Gets the event callback of window @p win.
 *  @param  _win_ window @p win pointer
 *  @return the event callback of window 
 *  @see Pw_Window
 */ 
#define Pw_WindowGetEventCallback(_win_) \
    ((_win_)->event_cb)

/**
 *  Sets the event callback for window @p win.
 *  @param _win_ window @p win pointer
 *  @param _cb_  new event callback 
 *  @see Pw_Window
 */ 
#define Pw_WindowSetEventCallback(_win_, _cb_) \
    ((_win_)->event_cb = (_cb_))

/**
 *  Gets the client data of window @p win.
 *  @param _win_ window @p win pointer
 *  @return the client data of window
 *  @see Pw_Window
 */     
#define Pw_WindowGetClientData(_win_) \
    ((_win_)->cdata)

/**
 *  Sets the client data for window @p win.
 *  @param _win_ window @p win pointer
 *  @param _data_ new client data
 *  @see Pw_Window
 */    
#define Pw_WindowSetClientData(_win_, _data_) \
    ((_win_)->cdata = (_data_))

/**
 *  Gets the client data id of window @p win.
 *  @param _win_ window @p win pointer
 *  @return the client data id of window
 *  @see Pw_Window
 */ 
#define Pw_WindowGetClientDataId(_win_) \
    ((_win_)->cdata_id)

/**
 *  Sets the client data id for window @p win.
 *  @param _win_ window @p win pointer
 *  @param _data_ new client data id
 *  @see Pw_Window
 */ 
#define Pw_WindowSetClientDataId(_win_, _id_) \
    ((_win_)->cdata_id = (_id_))

/**
 *  Gets the top child window of window @p win.
 *  @param _win_ window @p win pointer
 *  @return the top child window of window
 *  @see Pw_Window
 */     
#define Pw_WindowGetChildWindowOnTop(_win_) \
    ((_win_)->children)

/**
 *  Gets the window above window @p win.
 *  @param _win_ window @p win pointer
 *  @return the window above window
 *  @see Pw_Window
 */    
#define Pw_WindowGetWindowAbove(_win_) \
    ((_win_)->prev)

/**
 *  Gets the window below window @p win.
 *  @param _win_ window @p win pointer
 *  @return the window below window
 *  @see Pw_Window
 */ 
#define Pw_WindowGetWindowBelow(_win_) \
    ((_win_)->next)

/* -------------------------------------------------------------------------- */

/**
 *  Gets the height of font @p font.
 *  @param _font_ font @p font pointer
 *  @return the height of font 
 *  @see Pw_Font
 */ 
#define Pw_FontGetHeight(_font_) \
    ((_font_)->ascent + (_font_)->descent)

/**
 *  Gets the ascent of font @p font.
 *  @param _font_ font @p font pointer
 *  @return the ascent of font 
 *  @see Pw_Font
 */ 
#define Pw_FontGetAscent(_font_) \
    ((_font_)->ascent)

/**
 *  Gets the descent of font @p font.
 *  @param _font_ font @p font pointer
 *  @return the descent of font 
 *  @see Pw_Font
 */ 
#define Pw_FontGetDescent(_font_) \
    ((_font_)->descent)

/* -------------------------------------------------------------------------- */

/**
 *  Gets the type of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return the type of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetType(_gc_) \
    ((_gc_)->d.type)

/**
 *  Gets the window component of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return pointer to window component of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetWindow(_gc_) \
    ((_gc_)->d.comp.window)

/**
 *  Gets the bitmap component of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return pointer to bitmap component of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetBitmap(_gc_) \
    ((_gc_)->d.comp.bitmap)

/**
 *  Gets the current font width of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return the current font width of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetFontWidth(_gc_) \
    ((_gc_)->font->width)

/**
 *  Gets the current font height of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return the current font height of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetFontHeight(_gc_) \
    ((_gc_)->font->ascent + (_gc_)->font->descent)

/**
 *  Gets the current font ascent of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return the current font ascent of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetFontAscent(_gc_) \
    ((_gc_)->font->ascent)

/**
 *  Gets the current font descent of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return the current font descent of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetFontDescent(_gc_) \
    ((_gc_)->font->descent)

/**
 *  Gets the current color of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return pointer to current color of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetColor(_gc_) \
    ((_gc_)->color)

/**
 *  Sets the new color @p color of graphic context @p gc.
 *  @param _gc_    graphic context @p gc pointer
 *  @param _color_ new color @p color pointer
 *  @see Pw_GC
 */ 
#define Pw_GCSetColor(_gc_, _color_) \
    ((_gc_)->color = (_color_)); 

/**
 *  Gets the current font of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @return pointer to current font of graphic context 
 *  @see Pw_GC
 */ 
#define Pw_GCGetFont(_gc_) \
    ((_gc_)->font)

/**
 *  Sets the new font @p font of graphic context @p gc.
 *  @param _gc_   graphic context @p gc pointer 
 *  @param _font_ new font @p font pointer
 *  @see Pw_GC
 */ 
#define Pw_GCSetFont(_gc_, _font_) \
    ((_gc_)->font = (_font_))

/**
 *  Gets the string width in graphic context @p gc.
 *  @param _gc_     graphic context @p gc pointer
 *  @param _string_ zero terminated string 
 *  @return string width in pixels 
 *  @see Pw_GC
 */    
#define Pw_GCGetStringWidth(_gc_, _string_) \
    Pw_FontGetStringWidth((_gc_)->font, _string_)

/**
 *  Changes the position of (0, 0) point of graphic context @p gc.
 *  @param _gc_ graphic context @p gc pointer
 *  @param _xt_ x axis translation 
 *  @param _yt_ y axis translation 
 *  @see Pw_GC
 */    
#define Pw_GCTranslate(_gc_, _xt_, _yt_) \
    ((_gc_)->xoff += (_xt_), (_gc_)->yoff += (_yt_))

/* -------------------------------------------------------------------------- */

/**
 *  Gets the width of bitmap @p bitmap.
 *  @param _bitmap_ bitmap @p bitmap pointer
 *  @return the width of bitmap.
 *  @see Pw_Bitmap
 */ 
#define Pw_BitmapGetWidth(_bitmap_) \
    ((_bitmap_)->width)

/**
 *  Gets the height of bitmap @p bitmap.
 *  @param _bitmap_ bitmap @p bitmap pointer
 *  @return the height of bitmap.
 *  @see Pw_Bitmap
 */ 
#define Pw_BitmapGetHeight(_bitmap_) \
    ((_bitmap_)->height)

/* -------------------------------------------------------------------------- */

/**
 *  Gets the timeout trigger time @p to.
 *  @param _to_ timeout @p to pointer
 *  @return the trigger time of timeout.
 *  @see Pw_Timeout
 */ 
#define Pw_TimeoutGetTime(_to_) \
    ((_to_)->time)

/**
 *  Sets the timeout @p to trigger time.
 *  @param _to_   timeout @p to pointer
 *  @param _time_ new trigger time 
 *  @see Pw_Timeout
 */ 
#define Pw_TimeoutSetTime(_to_, _time_) \
    ((_to_)->time_left = (_to_)->time = _time_)

/**
 *  Gets the time left to timeout @p to trigger
 *  @param _to_ timeout @p to pointer
 *  @return the time left to timeout trigger
 *  @see Pw_Timeout
 */ 
#define Pw_TimeoutGetLeftTime(_to_) \
    ((_to_)->time_left)

/**
 *  Refreshes the timeout @p to (i.e. sets the time left to trigger time)
 *  @param _to_ timeout @p to pointer
 *  @see Pw_Timeout
 */     
#define Pw_TimeoutRefresh(_to_) \
    ((_to_)->time_left = (_to_)->time)

/* -------------------------------------------------------------------------- */

/**
 *  Gets the type of event @p ev.
 *  @param _ev_ event @p ev pointer
 *  @return the type of event
 *  @see Pw_Event
 */ 
#define Pw_EventGetType(_ev_) \
    ((_ev_)->data.type)

/**
 *  Gets the window from wich event @p ev originated.
 *  @param _ev_ event @p ev pointer
 *  @return the window of event
 *  @see Pw_Event
 */ 
#define Pw_EventGetWindow(_ev_) \
    ((_ev_)->data.win)

/**
 *  Casts the event @p ev to key event.
 *  @param _ev_ event @p ev pointer
 *  @return pointer to event cast to key event
 *  @see Pw_Event
 */     
#define Pw_EventCastToKeyEvent(_ev_) \
    ((Pw_KeyEvent*)&((_ev_)->key))