diff options
Diffstat (limited to 'tk8.6/unix/tkUnixMenubu.c')
| -rw-r--r-- | tk8.6/unix/tkUnixMenubu.c | 476 |
1 files changed, 0 insertions, 476 deletions
diff --git a/tk8.6/unix/tkUnixMenubu.c b/tk8.6/unix/tkUnixMenubu.c deleted file mode 100644 index ad71b7b..0000000 --- a/tk8.6/unix/tkUnixMenubu.c +++ /dev/null @@ -1,476 +0,0 @@ -/* - * tkUnixMenubu.c -- - * - * This file implements the Unix specific portion of the menubutton - * widget. - * - * Copyright (c) 1996-1997 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. - */ - -#include "tkInt.h" -#include "tkMenubutton.h" - - -/* - *---------------------------------------------------------------------- - * - * 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) -{ - return ckalloc(sizeof(TkMenuButton)); -} - -/* - *---------------------------------------------------------------------- - * - * TkpDisplayMenuButton -- - * - * This function 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. */ -{ - register TkMenuButton *mbPtr = (TkMenuButton *) clientData; - GC gc; - Tk_3DBorder border; - Pixmap pixmap; - int x = 0; /* Initialization needed only to stop compiler - * warning. */ - int y = 0; - register Tk_Window tkwin = mbPtr->tkwin; - int fullWidth, fullHeight; - int textXOffset, textYOffset; - int imageWidth, imageHeight; - int imageXOffset, imageYOffset; - int width = 0, height = 0; - /* Image information that will be used to - * restrict disabled pixmap as well */ - int haveImage = 0, haveText = 0; - - mbPtr->flags &= ~REDRAW_PENDING; - if ((mbPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) { - return; - } - - if ((mbPtr->state == STATE_DISABLED) && (mbPtr->disabledFg != NULL)) { - gc = mbPtr->disabledGC; - border = mbPtr->normalBorder; - } else if ((mbPtr->state == STATE_ACTIVE) - && !Tk_StrictMotif(mbPtr->tkwin)) { - gc = mbPtr->activeTextGC; - border = mbPtr->activeBorder; - } 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 function 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. - */ - - pixmap = Tk_GetPixmap(mbPtr->display, Tk_WindowId(tkwin), - Tk_Width(tkwin), Tk_Height(tkwin), Tk_Depth(tkwin)); - Tk_Fill3DRectangle(tkwin, pixmap, 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, pixmap, - imageXOffset, imageYOffset); - } else if (mbPtr->bitmap != None) { - XSetClipOrigin(mbPtr->display, gc, imageXOffset, imageYOffset); - XCopyPlane(mbPtr->display, mbPtr->bitmap, pixmap, - gc, 0, 0, (unsigned) width, (unsigned) height, - imageXOffset, imageYOffset, 1); - XSetClipOrigin(mbPtr->display, gc, 0, 0); - } - - 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 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, pixmap, - imageXOffset, imageYOffset); - } else if (mbPtr->bitmap != None) { - XSetClipOrigin(mbPtr->display, gc, x, y); - XCopyPlane(mbPtr->display, mbPtr->bitmap, pixmap, - gc, 0, 0, (unsigned) width, (unsigned) height, - x, y, 1); - XSetClipOrigin(mbPtr->display, gc, 0, 0); - } - } 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); - } - - /* - * 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, pixmap, mbPtr->stippleGC, - mbPtr->inset, mbPtr->inset, - (unsigned) (Tk_Width(tkwin) - 2*mbPtr->inset), - (unsigned) (Tk_Height(tkwin) - 2*mbPtr->inset)); - } else { - XFillRectangle(mbPtr->display, pixmap, 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 borderWidth; - - borderWidth = (mbPtr->indicatorHeight+1)/3; - if (borderWidth < 1) { - borderWidth = 1; - } - /*y += mbPtr->textHeight / 2;*/ - Tk_Fill3DRectangle(tkwin, pixmap, border, - Tk_Width(tkwin) - mbPtr->inset - mbPtr->indicatorWidth - + mbPtr->indicatorHeight, - ((int) (Tk_Height(tkwin) - mbPtr->indicatorHeight))/2, - mbPtr->indicatorWidth - 2*mbPtr->indicatorHeight, - mbPtr->indicatorHeight, borderWidth, TK_RELIEF_RAISED); - } - - /* - * 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. - */ - - if (mbPtr->relief != TK_RELIEF_FLAT) { - Tk_Draw3DRectangle(tkwin, pixmap, border, - mbPtr->highlightWidth, mbPtr->highlightWidth, - Tk_Width(tkwin) - 2*mbPtr->highlightWidth, - Tk_Height(tkwin) - 2*mbPtr->highlightWidth, - mbPtr->borderWidth, mbPtr->relief); - } - if (mbPtr->highlightWidth != 0) { - GC gc; - - if (mbPtr->flags & GOT_FOCUS) { - gc = Tk_GCForColor(mbPtr->highlightColorPtr, pixmap); - } else { - gc = Tk_GCForColor(mbPtr->highlightBgColorPtr, pixmap); - } - Tk_DrawFocusHighlight(tkwin, gc, mbPtr->highlightWidth, pixmap); - } - - /* - * Copy the information from the off-screen pixmap onto the screen, then - * delete the pixmap. - */ - - XCopyArea(mbPtr->display, pixmap, Tk_WindowId(tkwin), - mbPtr->normalTextGC, 0, 0, (unsigned) Tk_Width(tkwin), - (unsigned) Tk_Height(tkwin), 0, 0); - Tk_FreePixmap(mbPtr->display, pixmap); -} - -/* - *---------------------------------------------------------------------- - * - * 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 function - * 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( - 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); - haveImage = 1; - } else if (mbPtr->bitmap != None) { - Tk_SizeOfBitmap(mbPtr->display, mbPtr->bitmap, &width, &height); - 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); - 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. - */ - - 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; - } - } - } - - 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; - } 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); -} - -/* - * Local Variables: - * mode: c - * c-basic-offset: 4 - * fill-column: 78 - * End: - */ |