diff options
Diffstat (limited to 'win/tkWin3d.c')
| -rw-r--r-- | win/tkWin3d.c | 374 |
1 files changed, 187 insertions, 187 deletions
diff --git a/win/tkWin3d.c b/win/tkWin3d.c index 8b541e7..df6aa95 100644 --- a/win/tkWin3d.c +++ b/win/tkWin3d.c @@ -1,29 +1,28 @@ -/* +/* * tkWin3d.c -- * - * This file contains the platform specific routines for - * drawing 3d borders in the Windows 95 style. + * This file contains the platform specific routines for drawing 3D + * borders in the Windows 95 style. * * Copyright (c) 1996 by Sun Microsystems, Inc. * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #include "tkWinInt.h" #include "tk3d.h" /* - * This structure is used to keep track of the extra colors used by - * Windows 3d borders. + * This structure is used to keep track of the extra colors used by Windows 3D + * borders. */ typedef struct { TkBorder info; - XColor *light2ColorPtr; /* System3dLight */ - XColor *dark2ColorPtr; /* System3dDarkShadow */ + XColor *light2ColorPtr; /* System3dLight */ + XColor *dark2ColorPtr; /* System3dDarkShadow */ } WinBorder; - /* *---------------------------------------------------------------------- @@ -42,9 +41,10 @@ typedef struct { */ TkBorder * -TkpGetBorder() +TkpGetBorder(void) { WinBorder *borderPtr = (WinBorder *) ckalloc(sizeof(WinBorder)); + borderPtr->light2ColorPtr = NULL; borderPtr->dark2ColorPtr = NULL; return (TkBorder *) borderPtr; @@ -55,8 +55,8 @@ TkpGetBorder() * * TkpFreeBorder -- * - * This function frees any colors allocated by the platform - * specific part of this module. + * This function frees any colors allocated by the platform specific part + * of this module. * * Results: * None. @@ -68,8 +68,8 @@ TkpGetBorder() */ void -TkpFreeBorder(borderPtr) - TkBorder *borderPtr; +TkpFreeBorder( + TkBorder *borderPtr) { WinBorder *winBorderPtr = (WinBorder *) borderPtr; if (winBorderPtr->light2ColorPtr) { @@ -85,18 +85,17 @@ TkpFreeBorder(borderPtr) * * Tk_3DVerticalBevel -- * - * This procedure draws a vertical bevel along one side of - * an object. The bevel is always rectangular in shape: + * This procedure draws a vertical bevel along one side of an object. The + * bevel is always rectangular in shape: * ||| * ||| * ||| * ||| * ||| * ||| - * An appropriate shadow color is chosen for the bevel based - * on the leftBevel and relief arguments. Normally this - * procedure is called first, then Tk_3DHorizontalBevel is - * called next to draw neat corners. + * An appropriate shadow color is chosen for the bevel based on the + * leftBevel and relief arguments. Normally this procedure is called + * first, then Tk_3DHorizontalBevel is called next to draw neat corners. * * Results: * None. @@ -108,22 +107,21 @@ TkpFreeBorder(borderPtr) */ void -Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, - leftBevel, relief) - Tk_Window tkwin; /* Window for which border was allocated. */ - Drawable drawable; /* X window or pixmap in which to draw. */ - Tk_3DBorder border; /* Token for border to draw. */ - int x, y, width, height; /* Area of vertical bevel. */ - int leftBevel; /* Non-zero means this bevel forms the - * left side of the object; 0 means it - * forms the right side. */ - int relief; /* Kind of bevel to draw. For example, - * TK_RELIEF_RAISED means interior of - * object should appear higher than - * exterior. */ +Tk_3DVerticalBevel( + Tk_Window tkwin, /* Window for which border was allocated. */ + Drawable drawable, /* X window or pixmap in which to draw. */ + Tk_3DBorder border, /* Token for border to draw. */ + int x, int y, int width, int height, + /* Area of vertical bevel. */ + int leftBevel, /* Non-zero means this bevel forms the left + * side of the object; 0 means it forms the + * right side. */ + int relief) /* Kind of bevel to draw. For example, + * TK_RELIEF_RAISED means interior of object + * should appear higher than exterior. */ { TkBorder *borderPtr = (TkBorder *) border; - int left = 0, right = 0; + int left, right; Display *display = Tk_Display(tkwin); TkWinDCState state; HDC dc = TkWinGetDrawableDC(display, drawable, &state); @@ -134,36 +132,37 @@ Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, } switch (relief) { - case TK_RELIEF_RAISED: - left = (leftBevel) + case TK_RELIEF_RAISED: + left = (leftBevel) ? borderPtr->lightGC->foreground : borderPtr->darkGC->foreground; - right = (leftBevel) + right = (leftBevel) ? ((WinBorder *)borderPtr)->light2ColorPtr->pixel : ((WinBorder *)borderPtr)->dark2ColorPtr->pixel; - break; - case TK_RELIEF_SUNKEN: - left = (leftBevel) - ? ((WinBorder *)borderPtr)->dark2ColorPtr->pixel - : ((WinBorder *)borderPtr)->light2ColorPtr->pixel; - right = (leftBevel) + break; + case TK_RELIEF_SUNKEN: + left = (leftBevel) ? borderPtr->darkGC->foreground + : ((WinBorder *)borderPtr)->light2ColorPtr->pixel; + right = (leftBevel) + ? ((WinBorder *)borderPtr)->dark2ColorPtr->pixel : borderPtr->lightGC->foreground; - break; - case TK_RELIEF_RIDGE: - left = borderPtr->lightGC->foreground; - right = borderPtr->darkGC->foreground; - break; - case TK_RELIEF_GROOVE: - left = borderPtr->darkGC->foreground; - right = borderPtr->lightGC->foreground; - break; - case TK_RELIEF_FLAT: - left = right = borderPtr->bgGC->foreground; - break; - case TK_RELIEF_SOLID: - left = right = RGB(0,0,0); - break; + break; + case TK_RELIEF_RIDGE: + left = borderPtr->lightGC->foreground; + right = borderPtr->darkGC->foreground; + break; + case TK_RELIEF_GROOVE: + left = borderPtr->darkGC->foreground; + right = borderPtr->lightGC->foreground; + break; + case TK_RELIEF_FLAT: + left = right = borderPtr->bgGC->foreground; + break; + case TK_RELIEF_SOLID: + default: + left = right = RGB(0,0,0); + break; } half = width/2; if (leftBevel && (width & 1)) { @@ -179,9 +178,9 @@ Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, * * Tk_3DHorizontalBevel -- * - * This procedure draws a horizontal bevel along one side of - * an object. The bevel has mitered corners (depending on - * leftIn and rightIn arguments). + * This procedure draws a horizontal bevel along one side of an object. + * The bevel has mitered corners (depending on leftIn and rightIn + * arguments). * * Results: * None. @@ -193,77 +192,76 @@ Tk_3DVerticalBevel(tkwin, drawable, border, x, y, width, height, */ void -Tk_3DHorizontalBevel(tkwin, drawable, border, x, y, width, height, - leftIn, rightIn, topBevel, relief) - Tk_Window tkwin; /* Window for which border was allocated. */ - Drawable drawable; /* X window or pixmap in which to draw. */ - Tk_3DBorder border; /* Token for border to draw. */ - int x, y, width, height; /* Bounding box of area of bevel. Height - * gives width of border. */ - int leftIn, rightIn; /* Describes whether the left and right - * edges of the bevel angle in or out as - * they go down. For example, if "leftIn" - * is true, the left side of the bevel - * looks like this: +Tk_3DHorizontalBevel( + Tk_Window tkwin, /* Window for which border was allocated. */ + Drawable drawable, /* X window or pixmap in which to draw. */ + Tk_3DBorder border, /* Token for border to draw. */ + int x, int y, int width, int height, + /* Bounding box of area of bevel. Height gives + * width of border. */ + int leftIn, int rightIn, /* Describes whether the left and right edges + * of the bevel angle in or out as they go + * down. For example, if "leftIn" is true, the + * left side of the bevel looks like this: * ___________ * __________ * _________ * ________ */ - int topBevel; /* Non-zero means this bevel forms the - * top side of the object; 0 means it - * forms the bottom side. */ - int relief; /* Kind of bevel to draw. For example, - * TK_RELIEF_RAISED means interior of - * object should appear higher than - * exterior. */ + int topBevel, /* Non-zero means this bevel forms the top + * side of the object; 0 means it forms the + * bottom side. */ + int relief) /* Kind of bevel to draw. For example, + * TK_RELIEF_RAISED means interior of object + * should appear higher than exterior. */ { TkBorder *borderPtr = (TkBorder *) border; Display *display = Tk_Display(tkwin); int bottom, halfway, x1, x2, x1Delta, x2Delta; TkWinDCState state; HDC dc = TkWinGetDrawableDC(display, drawable, &state); - int topColor = 0, bottomColor = 0; + int topColor, bottomColor; if ((borderPtr->lightGC == None) && (relief != TK_RELIEF_FLAT)) { TkpGetShadows(borderPtr, tkwin); } /* - * Compute a GC for the top half of the bevel and a GC for the - * bottom half (they're the same in many cases). + * Compute a GC for the top half of the bevel and a GC for the bottom half + * (they're the same in many cases). */ switch (relief) { - case TK_RELIEF_RAISED: - topColor = (topBevel) + case TK_RELIEF_RAISED: + topColor = (topBevel) ? borderPtr->lightGC->foreground : borderPtr->darkGC->foreground; - bottomColor = (topBevel) + bottomColor = (topBevel) ? ((WinBorder *)borderPtr)->light2ColorPtr->pixel : ((WinBorder *)borderPtr)->dark2ColorPtr->pixel; - break; - case TK_RELIEF_SUNKEN: - topColor = (topBevel) - ? ((WinBorder *)borderPtr)->dark2ColorPtr->pixel - : ((WinBorder *)borderPtr)->light2ColorPtr->pixel; - bottomColor = (topBevel) + break; + case TK_RELIEF_SUNKEN: + topColor = (topBevel) ? borderPtr->darkGC->foreground + : ((WinBorder *)borderPtr)->light2ColorPtr->pixel; + bottomColor = (topBevel) + ? ((WinBorder *)borderPtr)->dark2ColorPtr->pixel : borderPtr->lightGC->foreground; - break; - case TK_RELIEF_RIDGE: - topColor = borderPtr->lightGC->foreground; - bottomColor = borderPtr->darkGC->foreground; - break; - case TK_RELIEF_GROOVE: - topColor = borderPtr->darkGC->foreground; - bottomColor = borderPtr->lightGC->foreground; - break; - case TK_RELIEF_FLAT: - topColor = bottomColor = borderPtr->bgGC->foreground; - break; - case TK_RELIEF_SOLID: - topColor = bottomColor = RGB(0,0,0); + break; + case TK_RELIEF_RIDGE: + topColor = borderPtr->lightGC->foreground; + bottomColor = borderPtr->darkGC->foreground; + break; + case TK_RELIEF_GROOVE: + topColor = borderPtr->darkGC->foreground; + bottomColor = borderPtr->lightGC->foreground; + break; + case TK_RELIEF_FLAT: + topColor = bottomColor = borderPtr->bgGC->foreground; + break; + case TK_RELIEF_SOLID: + default: + topColor = bottomColor = RGB(0,0,0); } /* @@ -296,8 +294,7 @@ Tk_3DHorizontalBevel(tkwin, drawable, border, x, y, width, height, for ( ; y < bottom; y++) { /* * In some weird cases (such as large border widths for skinny - * rectangles) x1 can be >= x2. Don't draw the lines - * in these cases. + * rectangles) x1 can be >= x2. Don't draw the lines in these cases. */ if (x1 < x2) { @@ -315,27 +312,26 @@ Tk_3DHorizontalBevel(tkwin, drawable, border, x, y, width, height, * * TkpGetShadows -- * - * This procedure computes the shadow colors for a 3-D border - * and fills in the corresponding fields of the Border structure. - * It's called lazily, so that the colors aren't allocated until - * something is actually drawn with them. That way, if a border - * is only used for flat backgrounds the shadow colors will - * never be allocated. + * This procedure computes the shadow colors for a 3-D border and fills + * in the corresponding fields of the Border structure. It's called + * lazily, so that the colors aren't allocated until something is + * actually drawn with them. That way, if a border is only used for flat + * backgrounds the shadow colors will never be allocated. * * Results: * None. * * Side effects: - * The lightGC and darkGC fields in borderPtr get filled in, - * if they weren't already. + * The lightGC and darkGC fields in borderPtr get filled in, if they + * weren't already. * *---------------------------------------------------------------------- */ void -TkpGetShadows(borderPtr, tkwin) - TkBorder *borderPtr; /* Information about border. */ - Tk_Window tkwin; /* Window where border will be used for +TkpGetShadows( + TkBorder *borderPtr, /* Information about border. */ + Tk_Window tkwin) /* Window where border will be used for * drawing. */ { XColor lightColor, darkColor; @@ -352,13 +348,13 @@ TkpGetShadows(borderPtr, tkwin) */ if ((TkWinIndexOfColor(borderPtr->bgColorPtr) == COLOR_3DFACE) - || (TkWinIndexOfColor(borderPtr->bgColorPtr) == COLOR_WINDOW)) { + || (TkWinIndexOfColor(borderPtr->bgColorPtr) == COLOR_WINDOW)) { borderPtr->darkColorPtr = Tk_GetColor(NULL, tkwin, - Tk_GetUid("SystemButtonShadow")); + Tk_GetUid("SystemButtonShadow")); gcValues.foreground = borderPtr->darkColorPtr->pixel; borderPtr->darkGC = Tk_GetGC(tkwin, GCForeground, &gcValues); borderPtr->lightColorPtr = Tk_GetColor(NULL, tkwin, - Tk_GetUid("SystemButtonHighlight")); + Tk_GetUid("SystemButtonHighlight")); gcValues.foreground = borderPtr->lightColorPtr->pixel; borderPtr->lightGC = Tk_GetGC(tkwin, GCForeground, &gcValues); ((WinBorder*)borderPtr)->dark2ColorPtr = Tk_GetColor(NULL, tkwin, @@ -366,45 +362,42 @@ TkpGetShadows(borderPtr, tkwin) ((WinBorder*)borderPtr)->light2ColorPtr = Tk_GetColor(NULL, tkwin, Tk_GetUid("System3dLight")); return; - } else { - darkColor.red = 0; - darkColor.green = 0; - darkColor.blue = 0; - ((WinBorder*)borderPtr)->dark2ColorPtr = Tk_GetColorByValue(tkwin, + } + darkColor.red = 0; + darkColor.green = 0; + darkColor.blue = 0; + ((WinBorder*)borderPtr)->dark2ColorPtr = Tk_GetColorByValue(tkwin, &darkColor); - lightColor = *(borderPtr->bgColorPtr); - ((WinBorder*)borderPtr)->light2ColorPtr = Tk_GetColorByValue(tkwin, + lightColor = *(borderPtr->bgColorPtr); + ((WinBorder*)borderPtr)->light2ColorPtr = Tk_GetColorByValue(tkwin, &lightColor); - } - + /* - * First, handle the case of a color display with lots of colors. - * The shadow colors get computed using whichever formula results - * in the greatest change in color: - * 1. Lighter shadow is half-way to white, darker shadow is half - * way to dark. - * 2. Lighter shadow is 40% brighter than background, darker shadow - * is 40% darker than background. + * First, handle the case of a color display with lots of colors. The + * shadow colors get computed using whichever formula results in the + * greatest change in color: + * 1. Lighter shadow is half-way to white, darker shadow is half way to + * dark. + * 2. Lighter shadow is 40% brighter than background, darker shadow is 40% + * darker than background. */ if (Tk_Depth(tkwin) >= 6) { /* - * This is a color display with lots of colors. For the dark - * shadow, cut 40% from each of the background color components. - * But if the background is already very dark, make the - * dark color a little lighter than the background by increasing - * each color component 1/4th of the way to MAX_INTENSITY. + * This is a color display with lots of colors. For the dark shadow, + * cut 40% from each of the background color components. But if the + * background is already very dark, make the dark color a little + * lighter than the background by increasing each color component + * 1/4th of the way to MAX_INTENSITY. * - * For the light shadow, boost each component by 40% or half-way - * to white, whichever is greater (the first approach works - * better for unsaturated colors, the second for saturated ones). - * But if the background is already very bright, instead choose a - * slightly darker color for the light shadow by reducing each - * color component by 10%. + * For the light shadow, boost each component by 40% or half-way to + * white, whichever is greater (the first approach works better for + * unsaturated colors, the second for saturated ones). But if the + * background is already very bright, instead choose a slightly darker + * color for the light shadow by reducing each color component by 10%. * - * Compute the colors using integers, not using lightColor.red - * etc.: these are shorts and may have problems with integer - * overflow. + * Compute the colors using integers, not using lightColor.red etc.: + * these are shorts and may have problems with integer overflow. */ /* @@ -461,10 +454,10 @@ TkpGetShadows(borderPtr, tkwin) tmp2 = (MAX_INTENSITY + b)/2; lightColor.blue = (tmp1 > tmp2) ? tmp1 : tmp2; } - - /* - * Allocate the light shadow color and its GC - */ + + /* + * Allocate the light shadow color and its GC + */ borderPtr->lightColorPtr = Tk_GetColorByValue(tkwin, &lightColor); gcValues.foreground = borderPtr->lightColorPtr->pixel; @@ -476,15 +469,15 @@ TkpGetShadows(borderPtr, tkwin) borderPtr->shadow = Tk_GetBitmap((Tcl_Interp *) NULL, tkwin, Tk_GetUid("gray50")); if (borderPtr->shadow == None) { - panic("TkpGetShadows couldn't allocate bitmap for border"); + Tcl_Panic("TkpGetShadows couldn't allocate bitmap for border"); } } if (borderPtr->visual->map_entries > 2) { /* - * This isn't a monochrome display, but the colormap either - * ran out of entries or didn't have very many to begin with. - * Generate the light shadows with a white stipple and the - * dark shadows with a black stipple. + * This isn't a monochrome display, but the colormap either ran out of + * entries or didn't have very many to begin with. Generate the light + * shadows with a white stipple and the dark shadows with a black + * stipple. */ gcValues.foreground = borderPtr->bgColorPtr->pixel; @@ -502,8 +495,8 @@ TkpGetShadows(borderPtr, tkwin) /* * This is just a measly monochrome display, hardly even worth its - * existence on this earth. Make one shadow a 50% stipple and the - * other the opposite of the background. + * existence on this earth. Make one shadow a 50% stipple and the other + * the opposite of the background. */ gcValues.foreground = WhitePixelOfScreen(borderPtr->screen); @@ -527,8 +520,7 @@ TkpGetShadows(borderPtr, tkwin) * * TkWinGetBorderPixels -- * - * This routine returns the 5 COLORREFs used to draw a given - * 3d border. + * This routine returns the 5 COLORREFs used to draw a given 3d border. * * Results: * Returns the colors in the specified array. @@ -540,34 +532,42 @@ TkpGetShadows(borderPtr, tkwin) */ COLORREF -TkWinGetBorderPixels(tkwin, border, which) - Tk_Window tkwin; - Tk_3DBorder border; - int which; /* One of TK_3D_FLAT_GC, TK_3D_LIGHT_GC, +TkWinGetBorderPixels( + Tk_Window tkwin, + Tk_3DBorder border, + int which) /* One of TK_3D_FLAT_GC, TK_3D_LIGHT_GC, * TK_3D_DARK_GC, TK_3D_LIGHT2, TK_3D_DARK2 */ { WinBorder *borderPtr = (WinBorder *) border; - + if (borderPtr->info.lightGC == None) { TkpGetShadows(&borderPtr->info, tkwin); } switch (which) { - case TK_3D_FLAT_GC: - return borderPtr->info.bgColorPtr->pixel; - case TK_3D_LIGHT_GC: - if (borderPtr->info.lightColorPtr == NULL) { - return WhitePixelOfScreen(borderPtr->info.screen); - } - return borderPtr->info.lightColorPtr->pixel; - case TK_3D_DARK_GC: - if (borderPtr->info.darkColorPtr == NULL) { - return BlackPixelOfScreen(borderPtr->info.screen); - } - return borderPtr->info.darkColorPtr->pixel; - case TK_3D_LIGHT2: - return borderPtr->light2ColorPtr->pixel; - case TK_3D_DARK2: - return borderPtr->dark2ColorPtr->pixel; + case TK_3D_FLAT_GC: + return borderPtr->info.bgColorPtr->pixel; + case TK_3D_LIGHT_GC: + if (borderPtr->info.lightColorPtr == NULL) { + return WhitePixelOfScreen(borderPtr->info.screen); + } + return borderPtr->info.lightColorPtr->pixel; + case TK_3D_DARK_GC: + if (borderPtr->info.darkColorPtr == NULL) { + return BlackPixelOfScreen(borderPtr->info.screen); + } + return borderPtr->info.darkColorPtr->pixel; + case TK_3D_LIGHT2: + return borderPtr->light2ColorPtr->pixel; + case TK_3D_DARK2: + return borderPtr->dark2ColorPtr->pixel; } return 0; } + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |