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628b870071
- Implement drawing non client scrollbars. This code is heavily based on code from wine and modified properly to use themes svn path=/branches/GSoC_2011/ThemesSupport/; revision=52645
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
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typedef struct _DRAW_CONTEXT
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{
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HWND hWnd;
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HDC hDC;
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HTHEME theme;
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HTHEME scrolltheme;
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HTHEME hPrevTheme;
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WINDOWINFO wi;
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BOOL Active; /* wi.dwWindowStatus isn't correct for mdi child windows */
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HRGN hRgn;
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int CaptionHeight;
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/* for double buffering */
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HDC hDCScreen;
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HBITMAP hbmpOld;
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} DRAW_CONTEXT, *PDRAW_CONTEXT;
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typedef enum
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{
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CLOSEBUTTON,
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MAXBUTTON,
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MINBUTTON,
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HELPBUTTON
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} CAPTIONBUTTON;
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/*
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The following values specify all possible vutton states
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Note that not all of them are documented but it is easy to
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find them by opening a theme file
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*/
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typedef enum {
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BUTTON_NORMAL = 1 ,
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BUTTON_HOT ,
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BUTTON_PRESSED ,
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BUTTON_DISABLED ,
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BUTTON_INACTIVE
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} THEME_BUTTON_STATES;
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/* Scroll-bar hit testing */
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enum SCROLL_HITTEST
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{
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SCROLL_NOWHERE, /* Outside the scroll bar */
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SCROLL_TOP_ARROW, /* Top or left arrow */
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SCROLL_TOP_RECT, /* Rectangle between the top arrow and the thumb */
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SCROLL_THUMB, /* Thumb rectangle */
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SCROLL_BOTTOM_RECT, /* Rectangle between the thumb and the bottom arrow */
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SCROLL_BOTTOM_ARROW /* Bottom or right arrow */
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};
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#define HASSIZEGRIP(Style, ExStyle, ParentStyle, WindowRect, ParentClientRect) \
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((!(Style & WS_CHILD) && (Style & WS_THICKFRAME) && !(Style & WS_MAXIMIZE)) || \
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((Style & WS_CHILD) && (ParentStyle & WS_THICKFRAME) && !(ParentStyle & WS_MAXIMIZE) && \
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(WindowRect.right - WindowRect.left == ParentClientRect.right) && \
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(WindowRect.bottom - WindowRect.top == ParentClientRect.bottom)))
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#define HAS_MENU(hwnd,style) ((((style) & (WS_CHILD | WS_POPUP)) != WS_CHILD) && GetMenu(hwnd))
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#define BUTTON_GAP_SIZE 2
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#define MENU_BAR_ITEMS_SPACE (12)
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#define SCROLL_TIMER 0 /* Scroll timer id */
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/* Overlap between arrows and thumb */
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#define SCROLL_ARROW_THUMB_OVERLAP 0
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/* Delay (in ms) before first repetition when holding the button down */
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#define SCROLL_FIRST_DELAY 200
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/* Delay (in ms) between scroll repetitions */
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#define SCROLL_REPEAT_DELAY 50
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/* Minimum size of the thumb in pixels */
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#define SCROLL_MIN_THUMB 6
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/* Minimum size of the rectangle between the arrows */
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#define SCROLL_MIN_RECT 4
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void
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ThemeDrawScrollBar(PDRAW_CONTEXT pcontext, INT Bar, POINT* pt);
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VOID
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NC_TrackScrollBar(HWND Wnd, WPARAM wParam, POINT Pt);
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void
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ThemeInitDrawContext(PDRAW_CONTEXT pcontext,
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HWND hWnd,
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HRGN hRgn);
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void
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ThemeCleanupDrawContext(PDRAW_CONTEXT pcontext);
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extern ATOM atWindowTheme;
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