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-rw-r--r--unix/tkUnixMenubu.c322
1 files changed, 172 insertions, 150 deletions
diff --git a/unix/tkUnixMenubu.c b/unix/tkUnixMenubu.c
index cdcc31c..c21608b 100644
--- a/unix/tkUnixMenubu.c
+++ b/unix/tkUnixMenubu.c
@@ -1,22 +1,22 @@
-/*
+/*
* tkUnixMenubu.c --
*
- * This file implements the Unix specific portion of the
- * menubutton widget.
+ * 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.
+ * 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 1.7 2003/11/17 23:12:44 hobbs Exp $
+ * RCS: @(#) $Id: tkUnixMenubu.c,v 1.8 2005/11/13 21:00:17 dkf Exp $
*/
#include "tkMenubutton.h"
/*
- * The structure below defines menubutton class behavior by means of
- * procedures that can be invoked from generic window code.
+ * The structure below defines menubutton class behavior by means of functions
+ * that can be invoked from generic window code.
*/
Tk_ClassProcs tkpMenubuttonClass = {
@@ -41,8 +41,8 @@ Tk_ClassProcs tkpMenubuttonClass = {
*/
TkMenuButton *
-TkpCreateMenuButton(tkwin)
- Tk_Window tkwin;
+TkpCreateMenuButton(
+ Tk_Window tkwin)
{
return (TkMenuButton *)ckalloc(sizeof(TkMenuButton));
}
@@ -52,35 +52,36 @@ TkpCreateMenuButton(tkwin)
*
* TkpDisplayMenuButton --
*
- * This procedure is invoked to display a menubutton widget.
+ * 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.
+ * Commands are output to X to display the menubutton in its current
+ * mode.
*
*----------------------------------------------------------------------
*/
void
-TkpDisplayMenuButton(clientData)
- ClientData clientData; /* Information about widget. */
+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 x = 0; /* Initialization needed only to stop compiler
+ * warning. */
int y = 0;
register Tk_Window tkwin = mbPtr->tkwin;
int width, height, fullWidth, fullHeight;
int textXOffset, textYOffset;
int imageWidth, imageHeight;
- int imageXOffset, imageYOffset; /* image information that will be used to
- * restrict disabled pixmap as well */
+ int imageXOffset, imageYOffset;
+ /* Image information that will be used to
+ * restrict disabled pixmap as well */
int haveImage = 0, haveText = 0;
mbPtr->flags &= ~REDRAW_PENDING;
@@ -107,16 +108,16 @@ TkpDisplayMenuButton(clientData)
Tk_SizeOfBitmap(mbPtr->display, mbPtr->bitmap, &width, &height);
haveImage = 1;
}
- imageWidth = width;
+ 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.
+ * 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),
@@ -132,53 +133,58 @@ TkpDisplayMenuButton(clientData)
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,
+ 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;
@@ -189,7 +195,7 @@ TkpDisplayMenuButton(clientData)
} else if (mbPtr->bitmap != None) {
XSetClipOrigin(mbPtr->display, gc, imageXOffset, imageYOffset);
XCopyPlane(mbPtr->display, mbPtr->bitmap, pixmap,
- gc, 0, 0, (unsigned) width, (unsigned) height,
+ gc, 0, 0, (unsigned) width, (unsigned) height,
imageXOffset, imageYOffset, 1);
XSetClipOrigin(mbPtr->display, gc, 0, 0);
}
@@ -209,7 +215,7 @@ TkpDisplayMenuButton(clientData)
} else if (mbPtr->bitmap != None) {
XSetClipOrigin(mbPtr->display, gc, x, y);
XCopyPlane(mbPtr->display, mbPtr->bitmap, pixmap,
- gc, 0, 0, (unsigned) width, (unsigned) height,
+ gc, 0, 0, (unsigned) width, (unsigned) height,
x, y, 1);
XSetClipOrigin(mbPtr->display, gc, 0, 0);
}
@@ -217,7 +223,7 @@ TkpDisplayMenuButton(clientData)
TkComputeAnchor(mbPtr->anchor, tkwin, mbPtr->padX, mbPtr->padY,
mbPtr->textWidth + mbPtr->indicatorWidth,
mbPtr->textHeight, &x, &y);
- Tk_DrawTextLayout(mbPtr->display, pixmap, gc, mbPtr->textLayout,
+ 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,
@@ -229,12 +235,13 @@ TkpDisplayMenuButton(clientData)
* foreground color, generate the stippled effect.
*/
- if ((mbPtr->state == STATE_DISABLED)
- && ((mbPtr->disabledFg == NULL) || (mbPtr->image != NULL))) {
+ 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
+ * 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,
@@ -248,8 +255,8 @@ TkpDisplayMenuButton(clientData)
}
/*
- * Draw the cascade indicator for the menu button on the
- * right side of the window, if desired.
+ * Draw the cascade indicator for the menu button on the right side of the
+ * window, if desired.
*/
if (mbPtr->indicatorOn) {
@@ -269,9 +276,9 @@ TkpDisplayMenuButton(clientData)
}
/*
- * 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.
+ * 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) {
@@ -293,8 +300,8 @@ TkpDisplayMenuButton(clientData)
}
/*
- * Copy the information from the off-screen pixmap onto the screen,
- * then delete the pixmap.
+ * Copy the information from the off-screen pixmap onto the screen, then
+ * delete the pixmap.
*/
XCopyArea(mbPtr->display, pixmap, Tk_WindowId(tkwin),
@@ -320,8 +327,8 @@ TkpDisplayMenuButton(clientData)
*/
void
-TkpDestroyMenuButton(mbPtr)
- TkMenuButton *mbPtr;
+TkpDestroyMenuButton(
+ TkMenuButton *mbPtr)
{
}
@@ -330,7 +337,7 @@ TkpDestroyMenuButton(mbPtr)
*
* TkpComputeMenuButtonGeometry --
*
- * After changes in a menu button's text or bitmap, this procedure
+ * 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.
*
@@ -344,11 +351,11 @@ TkpDestroyMenuButton(mbPtr)
*/
void
-TkpComputeMenuButtonGeometry(mbPtr)
- TkMenuButton *mbPtr; /* Widget record for menu button. */
+TkpComputeMenuButtonGeometry(
+ TkMenuButton *mbPtr) /* Widget record for menu button. */
{
int width, height, mm, pixels;
- int avgWidth, txtWidth, txtHeight;
+ int avgWidth, txtWidth, txtHeight;
int haveImage = 0, haveText = 0;
Tk_FontMetrics fm;
@@ -376,88 +383,103 @@ TkpComputeMenuButtonGeometry(mbPtr)
&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);
+ 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.
+ * 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;
+ 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;
- }
+ 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 (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;
+ 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),
(int) (height + 2*mbPtr->inset));
Tk_SetInternalBorder(mbPtr->tkwin, mbPtr->inset);
}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */