/* * tkMacMenubutton.c -- * * This file implements the Macintosh specific portion of the * menubutton widget. * * 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. * * RCS: @(#) $Id: tkMacMenubutton.c,v 1.9.4.1 2003/11/17 23:29:36 hobbs Exp $ */ #include "tkMenubutton.h" #include "tkMacInt.h" #include #define kShadowOffset (3) /* amount to offset shadow from frame */ #define kTriangleWidth (11) /* width of the triangle */ #define kTriangleHeight (6) /* height of the triangle */ #define kTriangleMargin (5) /* margin around triangle */ /* * Declaration of Unix specific button structure. */ typedef struct MacMenuButton { TkMenuButton info; /* Generic button info. */ } MacMenuButton; /* * The structure below defines menubutton class behavior by means of * procedures that can be invoked from generic window code. */ Tk_ClassProcs tkpMenubuttonClass = { sizeof(Tk_ClassProcs), /* size */ TkMenuButtonWorldChanged, /* worldChangedProc */ }; /* *---------------------------------------------------------------------- * * TkpCreateMenuButton -- * * Allocate a new TkMenuButton structure. * * Results: * Returns a newly allocated TkMenuButton structure. * * Side effects: * Registers an event handler for the widget. * *---------------------------------------------------------------------- */ TkMenuButton * TkpCreateMenuButton( Tk_Window tkwin) { MacMenuButton *butPtr = (MacMenuButton *)ckalloc(sizeof(MacMenuButton)); return (TkMenuButton *) butPtr; } /* *---------------------------------------------------------------------- * * TkpDisplayMenuButton -- * * This procedure is invoked to display a menubutton widget. * * Results: * None. * * Side effects: * Commands are output to X to display the menubutton in its * current mode. * *---------------------------------------------------------------------- */ void TkpDisplayMenuButton( ClientData clientData) /* Information about widget. */ { TkMenuButton *mbPtr = (TkMenuButton *) clientData; GC gc; Tk_3DBorder border; int x = 0; /* Initialization needed only to stop * compiler warning. */ int y; Tk_Window tkwin = mbPtr->tkwin; int width, height, fullWidth, fullHeight; int imageWidth, imageHeight; int imageXOffset, imageYOffset, textXOffset, textYOffset; int haveImage = 0, haveText = 0; MacMenuButton * macMBPtr = (MacMenuButton *) mbPtr; GWorldPtr destPort; CGrafPtr saveWorld; GDHandle saveDevice; MacDrawable *macDraw; mbPtr->flags &= ~REDRAW_PENDING; if ((mbPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) { return; } GetGWorld(&saveWorld, &saveDevice); destPort = TkMacGetDrawablePort(Tk_WindowId(tkwin)); SetGWorld(destPort, NULL); macDraw = (MacDrawable *) Tk_WindowId(tkwin); if ((mbPtr->state == STATE_DISABLED) && (mbPtr->disabledFg != NULL)) { gc = mbPtr->disabledGC; } else if ((mbPtr->state == STATE_ACTIVE) && !Tk_StrictMotif(mbPtr->tkwin)) { gc = mbPtr->activeTextGC; } else { gc = mbPtr->normalTextGC; } border = mbPtr->normalBorder; if (mbPtr->image != None) { Tk_SizeOfImage(mbPtr->image, &width, &height); haveImage = 1; } else if (mbPtr->bitmap != None) { Tk_SizeOfBitmap(mbPtr->display, mbPtr->bitmap, &width, &height); haveImage = 1; } imageWidth = width; imageHeight = height; haveText = (mbPtr->textWidth != 0 && mbPtr->textHeight != 0); /* * In order to avoid screen flashes, this procedure redraws * the menu button in a pixmap, then copies the pixmap to the * screen in a single operation. This means that there's no * point in time where the on-sreen image has been cleared. */ Tk_Fill3DRectangle(tkwin, Tk_WindowId(tkwin), border, 0, 0, Tk_Width(tkwin), Tk_Height(tkwin), 0, TK_RELIEF_FLAT); imageXOffset = 0; imageYOffset = 0; textXOffset = 0; textYOffset = 0; fullWidth = 0; fullHeight = 0; if (mbPtr->compound != COMPOUND_NONE && haveImage && haveText) { switch ((enum compound) mbPtr->compound) { case COMPOUND_TOP: case COMPOUND_BOTTOM: { /* Image is above or below text */ if (mbPtr->compound == COMPOUND_TOP) { textYOffset = height + mbPtr->padY; } else { imageYOffset = mbPtr->textHeight + mbPtr->padY; } fullHeight = height + mbPtr->textHeight + mbPtr->padY; fullWidth = (width > mbPtr->textWidth ? width : mbPtr->textWidth); textXOffset = (fullWidth - mbPtr->textWidth)/2; imageXOffset = (fullWidth - width)/2; break; } case COMPOUND_LEFT: case COMPOUND_RIGHT: { /* Image is left or right of text */ if (mbPtr->compound == COMPOUND_LEFT) { textXOffset = width + mbPtr->padX; } else { imageXOffset = mbPtr->textWidth + mbPtr->padX; } fullWidth = mbPtr->textWidth + mbPtr->padX + width; fullHeight = (height > mbPtr->textHeight ? height : mbPtr->textHeight); textYOffset = (fullHeight - mbPtr->textHeight)/2; imageYOffset = (fullHeight - height)/2; break; } case COMPOUND_CENTER: { /* Image and text are superimposed */ fullWidth = (width > mbPtr->textWidth ? width : mbPtr->textWidth); fullHeight = (height > mbPtr->textHeight ? height : mbPtr->textHeight); textXOffset = (fullWidth - mbPtr->textWidth)/2; imageXOffset = (fullWidth - width)/2; textYOffset = (fullHeight - mbPtr->textHeight)/2; imageYOffset = (fullHeight - height)/2; break; } case COMPOUND_NONE: {break;} } TkComputeAnchor(mbPtr->anchor, tkwin, 0, 0, mbPtr->indicatorWidth + fullWidth, fullHeight, &x, &y); imageXOffset += x; imageYOffset += y; if (mbPtr->image != NULL) { Tk_RedrawImage(mbPtr->image, 0, 0, width, height, Tk_WindowId(tkwin), imageXOffset, imageYOffset); } else if (mbPtr->bitmap != None) { XCopyPlane(mbPtr->display, mbPtr->bitmap, Tk_WindowId(tkwin), gc, 0, 0, (unsigned) width, (unsigned) height, imageXOffset, imageYOffset, 1); } Tk_DrawTextLayout(mbPtr->display, Tk_WindowId(tkwin), gc, mbPtr->textLayout, x + textXOffset, y + textYOffset, 0, -1); Tk_UnderlineTextLayout(mbPtr->display, Tk_WindowId(tkwin), gc, mbPtr->textLayout, x + textXOffset, y + textYOffset, mbPtr->underline); } else if (haveImage) { TkComputeAnchor(mbPtr->anchor, tkwin, 0, 0, width + mbPtr->indicatorWidth, height, &x, &y); imageXOffset += x; imageYOffset += y; if (mbPtr->image != NULL) { Tk_RedrawImage(mbPtr->image, 0, 0, width, height, Tk_WindowId(tkwin), imageXOffset, imageYOffset); } else if (mbPtr->bitmap != None) { XCopyPlane(mbPtr->display, mbPtr->bitmap, Tk_WindowId(tkwin), gc, 0, 0, (unsigned) width, (unsigned) height, x, y, 1); } } else { TkComputeAnchor(mbPtr->anchor, tkwin, mbPtr->padX, mbPtr->padY, mbPtr->textWidth + mbPtr->indicatorWidth, mbPtr->textHeight, &x, &y); Tk_DrawTextLayout(mbPtr->display, Tk_WindowId(tkwin), gc, mbPtr->textLayout, x + textXOffset, y + textYOffset, 0, -1); Tk_UnderlineTextLayout(mbPtr->display, Tk_WindowId(tkwin), gc, mbPtr->textLayout, x + textXOffset, y + textYOffset, mbPtr->underline); } #if 0 /* this is the original code */ /* * Display image or bitmap or text for button. */ if (mbPtr->image != None) { Tk_SizeOfImage(mbPtr->image, &width, &height); imageOrBitmap: TkComputeAnchor(mbPtr->anchor, tkwin, 0, 0, width + mbPtr->indicatorWidth, height, &x, &y); if (mbPtr->image != NULL) { Tk_RedrawImage(mbPtr->image, 0, 0, width, height, Tk_WindowId(tkwin), x, y); } else { XCopyPlane(mbPtr->display, mbPtr->bitmap, Tk_WindowId(tkwin), gc, 0, 0, (unsigned) width, (unsigned) height, x, y, 1); } } else if (mbPtr->bitmap != None) { Tk_SizeOfBitmap(mbPtr->display, mbPtr->bitmap, &width, &height); goto imageOrBitmap; } else { TkComputeAnchor(mbPtr->anchor, tkwin, mbPtr->padX, mbPtr->padY, mbPtr->textWidth + mbPtr->indicatorWidth, mbPtr->textHeight, &x, &y); Tk_DrawTextLayout(mbPtr->display, Tk_WindowId(tkwin), gc, mbPtr->textLayout, x, y, 0, -1); } #endif /* * If the menu button is disabled with a stipple rather than a special * foreground color, generate the stippled effect. */ if ((mbPtr->state == STATE_DISABLED) && ((mbPtr->disabledFg != NULL) || (mbPtr->image != NULL))) { /* * Stipple the whole button if no disabledFg was specified, * otherwise restrict stippling only to displayed image */ if (mbPtr->disabledFg == NULL) { XFillRectangle(mbPtr->display, Tk_WindowId(tkwin), mbPtr->stippleGC, mbPtr->inset, mbPtr->inset, (unsigned) (Tk_Width(tkwin) - 2*mbPtr->inset), (unsigned) (Tk_Height(tkwin) - 2*mbPtr->inset)); } else { XFillRectangle(mbPtr->display, Tk_WindowId(tkwin), mbPtr->stippleGC, imageXOffset, imageYOffset, (unsigned) imageWidth, (unsigned) imageHeight); } } /* * Draw the cascade indicator for the menu button on the * right side of the window, if desired. */ if (mbPtr->indicatorOn) { int w, h, i; Rect r; r.left = macDraw->xOff + Tk_Width(tkwin) - mbPtr->inset - mbPtr->indicatorWidth; r.top = macDraw->yOff + Tk_Height(tkwin)/2 - mbPtr->indicatorHeight/2; r.right = macDraw->xOff + Tk_Width(tkwin) - mbPtr->inset - kTriangleMargin; r.bottom = macDraw->yOff + Tk_Height(tkwin)/2 + mbPtr->indicatorHeight/2; h = mbPtr->indicatorHeight; w = mbPtr->indicatorWidth - 1 - kTriangleMargin; for (i = 0; i < h; i++) { MoveTo(r.left + i, r.top + i); LineTo(r.left + i + w, r.top + i); w -= 2; } } /* * Draw the border and traversal highlight last. This way, if the * menu button's contents overflow onto the border they'll be covered * up by the border. */ TkMacSetUpClippingRgn(Tk_WindowId(tkwin)); if (mbPtr->borderWidth > 0) { Rect r; r.left = macDraw->xOff + mbPtr->highlightWidth + mbPtr->borderWidth; r.top = macDraw->yOff + mbPtr->highlightWidth + mbPtr->borderWidth; r.right = macDraw->xOff + Tk_Width(tkwin) - mbPtr->highlightWidth - mbPtr->borderWidth; r.bottom = macDraw->yOff + Tk_Height(tkwin) - mbPtr->highlightWidth - mbPtr->borderWidth; FrameRect(&r); PenSize(mbPtr->borderWidth - 1, mbPtr->borderWidth - 1); MoveTo(r.right, r.top + kShadowOffset); LineTo(r.right, r.bottom); LineTo(r.left + kShadowOffset, r.bottom); } if (mbPtr->highlightWidth != 0) { GC fgGC, bgGC; bgGC = Tk_GCForColor(mbPtr->highlightBgColorPtr, Tk_WindowId(tkwin)); if (mbPtr->flags & GOT_FOCUS) { fgGC = Tk_GCForColor(mbPtr->highlightColorPtr, Tk_WindowId(tkwin)); TkpDrawHighlightBorder(tkwin, fgGC, bgGC, mbPtr->highlightWidth, Tk_WindowId(tkwin)); } else { TkpDrawHighlightBorder(tkwin, bgGC, bgGC, mbPtr->highlightWidth, Tk_WindowId(tkwin)); } } SetGWorld(saveWorld, saveDevice); } /* *---------------------------------------------------------------------- * * TkpDestroyMenuButton -- * * Free data structures associated with the menubutton control. * * Results: * None. * * Side effects: * Restores the default control state. * *---------------------------------------------------------------------- */ void TkpDestroyMenuButton( TkMenuButton *mbPtr) { } /* *---------------------------------------------------------------------- * * TkpComputeMenuButtonGeometry -- * * After changes in a menu button's text or bitmap, this procedure * recomputes the menu button's geometry and passes this information * along to the geometry manager for the window. * * Results: * None. * * Side effects: * The menu button's window may change size. * *---------------------------------------------------------------------- */ void TkpComputeMenuButtonGeometry(mbPtr) register TkMenuButton *mbPtr; /* Widget record for menu button. */ { int width=0, height=0, textwidth=0, textheight=0, mm, pixels, noimage=0; mbPtr->inset = mbPtr->highlightWidth + mbPtr->borderWidth; if (mbPtr->image != None) { Tk_SizeOfImage(mbPtr->image, &width, &height); if (mbPtr->width > 0) { width = mbPtr->width; } if (mbPtr->height > 0) { height = mbPtr->height; } } else if (mbPtr->bitmap != None) { Tk_SizeOfBitmap(mbPtr->display, mbPtr->bitmap, &width, &height); if (mbPtr->width > 0) { width = mbPtr->width; } if (mbPtr->height > 0) { height = mbPtr->height; } } else { noimage=1; } if ( noimage || mbPtr->compound != COMPOUND_NONE ) { Tk_FreeTextLayout(mbPtr->textLayout); mbPtr->textLayout = Tk_ComputeTextLayout(mbPtr->tkfont, mbPtr->text, -1, mbPtr->wrapLength, mbPtr->justify, 0, &mbPtr->textWidth, &mbPtr->textHeight); textwidth = mbPtr->textWidth; textheight = mbPtr->textHeight; if (mbPtr->width > 0) { textwidth = mbPtr->width * Tk_TextWidth(mbPtr->tkfont, "0", 1); } if (mbPtr->height > 0) { Tk_FontMetrics fm; Tk_GetFontMetrics(mbPtr->tkfont, &fm); textheight = mbPtr->height * fm.linespace; } textwidth += 2*mbPtr->padX; textheight += 2*mbPtr->padY; } switch ((enum compound) mbPtr->compound) { case COMPOUND_TOP: case COMPOUND_BOTTOM: { height += textheight + mbPtr->padY; width = (width > textwidth ? width : textwidth); break; } case COMPOUND_LEFT: case COMPOUND_RIGHT: { height = (height > textheight ? height : textheight); width += textwidth + mbPtr->padX; break; } case COMPOUND_CENTER: { height = (height > textheight ? height : textheight); width = (width > textwidth ? width : textwidth); break; } case COMPOUND_NONE: { if (noimage) { height = textheight; width = textwidth; } break; } } if (mbPtr->indicatorOn) { mm = WidthMMOfScreen(Tk_Screen(mbPtr->tkwin)); pixels = WidthOfScreen(Tk_Screen(mbPtr->tkwin)); mbPtr->indicatorHeight= kTriangleHeight; mbPtr->indicatorWidth = kTriangleWidth + kTriangleMargin; width += mbPtr->indicatorWidth; } else { mbPtr->indicatorHeight = 0; mbPtr->indicatorWidth = 0; } Tk_GeometryRequest(mbPtr->tkwin, (int) (width + 2*mbPtr->inset), (int) (height + 2*mbPtr->inset)); Tk_SetInternalBorder(mbPtr->tkwin, mbPtr->inset); }