diff options
Diffstat (limited to 'unix/tkUnixMenubu.c')
-rw-r--r-- | unix/tkUnixMenubu.c | 261 |
1 files changed, 201 insertions, 60 deletions
diff --git a/unix/tkUnixMenubu.c b/unix/tkUnixMenubu.c index 8e46f46..186bd75 100644 --- a/unix/tkUnixMenubu.c +++ b/unix/tkUnixMenubu.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkUnixMenubu.c,v 1.5 2000/11/22 01:49:38 ericm Exp $ + * RCS: @(#) $Id: tkUnixMenubu.c,v 1.6 2001/05/21 14:07:33 tmh Exp $ */ #include "tkMenubutton.h" @@ -74,9 +74,11 @@ TkpDisplayMenuButton(clientData) Pixmap pixmap; int x = 0; /* Initialization needed only to stop * compiler warning. */ - int y; + int y = 0; register Tk_Window tkwin = mbPtr->tkwin; - int width, height; + int width, height, fullWidth, fullHeight; + int imageXOffset, imageYOffset, textXOffset, textYOffset; + int haveImage = 0, haveText = 0; mbPtr->flags &= ~REDRAW_PENDING; if ((mbPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) { @@ -95,6 +97,15 @@ TkpDisplayMenuButton(clientData) 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; + } + 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 @@ -107,34 +118,105 @@ TkpDisplayMenuButton(clientData) Tk_Fill3DRectangle(tkwin, pixmap, border, 0, 0, Tk_Width(tkwin), Tk_Height(tkwin), 0, TK_RELIEF_FLAT); - /* - * Display image or bitmap or text for button. - */ + imageXOffset = 0; + imageYOffset = 0; + textXOffset = 0; + textYOffset = 0; + fullWidth = 0; + fullHeight = 0; - if (mbPtr->image != None) { - Tk_SizeOfImage(mbPtr->image, &width, &height); + if (mbPtr->compound != COMPOUND_NONE && haveImage && haveText) { - 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, pixmap, - x, y); - } else { - XCopyPlane(mbPtr->display, mbPtr->bitmap, pixmap, - 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; + 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); + + if (mbPtr->image != NULL) { + Tk_RedrawImage(mbPtr->image, 0, 0, width, height, pixmap, + x + imageXOffset, y + imageYOffset); + } + if (mbPtr->bitmap != None) { + XCopyPlane(mbPtr->display, mbPtr->bitmap, pixmap, + gc, 0, 0, (unsigned) width, (unsigned) height, + x + imageXOffset, y + imageYOffset, 1); + } + if (haveText) { + Tk_DrawTextLayout(mbPtr->display, pixmap, gc, mbPtr->textLayout, + x + textXOffset, y + textYOffset , + 0, -1); + Tk_UnderlineTextLayout(mbPtr->display, pixmap, gc, + mbPtr->textLayout, x + textXOffset, y + textYOffset , + mbPtr->underline); + } } else { - TkComputeAnchor(mbPtr->anchor, tkwin, mbPtr->padX, mbPtr->padY, - mbPtr->textWidth + mbPtr->indicatorWidth, - mbPtr->textHeight, &x, &y); - Tk_DrawTextLayout(mbPtr->display, pixmap, gc, mbPtr->textLayout, x, y, - 0, -1); - Tk_UnderlineTextLayout(mbPtr->display, pixmap, gc, mbPtr->textLayout, - x, y, mbPtr->underline); + if (mbPtr->image != NULL) { + TkComputeAnchor(mbPtr->anchor, tkwin, 0, 0, + width + mbPtr->indicatorWidth, height, &x, &y); + Tk_RedrawImage(mbPtr->image, 0, 0, width, height, pixmap, + x + imageXOffset, y + imageYOffset); + } else if (mbPtr->bitmap != None) { + TkComputeAnchor(mbPtr->anchor, tkwin, 0, 0, + width + mbPtr->indicatorWidth, height, &x, &y); + XCopyPlane(mbPtr->display, mbPtr->bitmap, pixmap, + gc, 0, 0, (unsigned) width, (unsigned) height, + x + imageXOffset, y + imageYOffset, 1); + } else { + TkComputeAnchor(mbPtr->anchor, tkwin, mbPtr->padX, mbPtr->padY, + mbPtr->textWidth + mbPtr->indicatorWidth, + mbPtr->textHeight, &x, &y); + Tk_DrawTextLayout(mbPtr->display, pixmap, gc, mbPtr->textLayout, + x + textXOffset, y + textYOffset , + 0, -1); + Tk_UnderlineTextLayout(mbPtr->display, pixmap, gc, + mbPtr->textLayout, x + textXOffset, y + textYOffset , + mbPtr->underline); + } } /* @@ -251,54 +333,113 @@ TkpComputeMenuButtonGeometry(mbPtr) TkMenuButton *mbPtr; /* Widget record for menu button. */ { int width, height, mm, pixels; + int avgWidth, txtWidth, txtHeight; + int haveImage = 0, haveText = 0; + Tk_FontMetrics fm; mbPtr->inset = mbPtr->highlightWidth + mbPtr->borderWidth; + + width = 0; + height = 0; + txtWidth = 0; + txtHeight = 0; + avgWidth = 0; + if (mbPtr->image != None) { Tk_SizeOfImage(mbPtr->image, &width, &height); - if (mbPtr->width > 0) { - width = mbPtr->width; - } - if (mbPtr->height > 0) { - height = mbPtr->height; - } + haveImage = 1; } 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 { + haveImage = 1; + } + + if (haveImage == 0 || 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); - width = mbPtr->textWidth; - height = mbPtr->textHeight; - if (mbPtr->width > 0) { - width = mbPtr->width * Tk_TextWidth(mbPtr->tkfont, "0", 1); - } - if (mbPtr->height > 0) { - Tk_FontMetrics fm; + txtWidth = mbPtr->textWidth; + txtHeight = mbPtr->textHeight; + avgWidth = Tk_TextWidth(mbPtr->tkfont, "0", 1); + Tk_GetFontMetrics(mbPtr->tkfont, &fm); + haveText = (txtWidth != 0 && txtHeight != 0); + } + + /* + * If the menubutton is compound (ie, it shows both an image and text), + * the new geometry is a combination of the image and text geometry. + * We only honor the compound bit if the menubutton has both text and + * an image, because otherwise it is not really a compound menubutton. + */ - Tk_GetFontMetrics(mbPtr->tkfont, &fm); - height = mbPtr->height * fm.linespace; + if (mbPtr->compound != COMPOUND_NONE && haveImage && haveText) { + switch ((enum compound) mbPtr->compound) { + case COMPOUND_TOP: + case COMPOUND_BOTTOM: { + /* Image is above or below text */ + height += txtHeight + mbPtr->padY; + width = (width > txtWidth ? width : txtWidth); + break; + } + case COMPOUND_LEFT: + case COMPOUND_RIGHT: { + /* Image is left or right of text */ + width += txtWidth + mbPtr->padX; + height = (height > txtHeight ? height : txtHeight); + break; + } + case COMPOUND_CENTER: { + /* Image and text are superimposed */ + width = (width > txtWidth ? width : txtWidth); + height = (height > txtHeight ? height : txtHeight); + break; + } + case COMPOUND_NONE: {break;} + } + if (mbPtr->width > 0) { + width = mbPtr->width; + } + if (mbPtr->height > 0) { + height = mbPtr->height; + } + width += 2*mbPtr->padX; + height += 2*mbPtr->padY; + } else { + if (haveImage) { + if (mbPtr->width > 0) { + width = mbPtr->width; + } + if (mbPtr->height > 0) { + height = mbPtr->height; + } + } else { + width = txtWidth; + height = txtHeight; + if (mbPtr->width > 0) { + width = mbPtr->width * avgWidth; + } + if (mbPtr->height > 0) { + height = mbPtr->height * fm.linespace; + } } - width += 2*mbPtr->padX; - height += 2*mbPtr->padY; + } + + if (! haveImage) { + width += 2*mbPtr->padX; + height += 2*mbPtr->padY; } if (mbPtr->indicatorOn) { - mm = WidthMMOfScreen(Tk_Screen(mbPtr->tkwin)); - pixels = WidthOfScreen(Tk_Screen(mbPtr->tkwin)); - mbPtr->indicatorHeight= (INDICATOR_HEIGHT * pixels)/(10*mm); - mbPtr->indicatorWidth = (INDICATOR_WIDTH * pixels)/(10*mm) - + 2*mbPtr->indicatorHeight; - width += mbPtr->indicatorWidth; + mm = WidthMMOfScreen(Tk_Screen(mbPtr->tkwin)); + pixels = WidthOfScreen(Tk_Screen(mbPtr->tkwin)); + mbPtr->indicatorHeight= (INDICATOR_HEIGHT * pixels)/(10*mm); + mbPtr->indicatorWidth = (INDICATOR_WIDTH * pixels)/(10*mm) + + 2*mbPtr->indicatorHeight; + width += mbPtr->indicatorWidth; } else { - mbPtr->indicatorHeight = 0; - mbPtr->indicatorWidth = 0; + mbPtr->indicatorHeight = 0; + mbPtr->indicatorWidth = 0; } Tk_GeometryRequest(mbPtr->tkwin, (int) (width + 2*mbPtr->inset), |