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-rw-r--r--unix/tkUnixButton.c300
1 files changed, 237 insertions, 63 deletions
diff --git a/unix/tkUnixButton.c b/unix/tkUnixButton.c
index 5cce667..ce9ffac 100644
--- a/unix/tkUnixButton.c
+++ b/unix/tkUnixButton.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: tkUnixButton.c,v 1.4 2000/05/10 00:09:40 ericm Exp $
+ * RCS: @(#) $Id: tkUnixButton.c,v 1.5 2000/05/13 00:39:09 ericm Exp $
*/
#include "tkButton.h"
@@ -86,10 +86,13 @@ TkpDisplayButton(clientData)
* compiler warning. */
int y, relief;
Tk_Window tkwin = butPtr->tkwin;
- int width, height;
+ int width, height, fullWidth, fullHeight;
+ int imageXOffset, imageYOffset, textXOffset, textYOffset;
+ int haveImage = 0, haveText = 0;
int offset; /* 1 means this is a button widget, so we
* offset the text to make the button appear
- * to move up and down as the relief changes. */
+ * to move up and down as the relief changes.
+ */
butPtr->flags &= ~REDRAW_PENDING;
if ((butPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) {
@@ -129,7 +132,7 @@ TkpDisplayButton(clientData)
*/
if ((butPtr->type == TYPE_BUTTON) && butPtr->relief == TK_RELIEF_LINK) {
- if (butPtr->state == STATE_ACTIVE) {
+ if ((butPtr->flags & MOUSE_IN_BUTTON) == MOUSE_IN_BUTTON) {
relief = TK_RELIEF_RAISED;
} else {
relief = TK_RELIEF_FLAT;
@@ -156,12 +159,72 @@ TkpDisplayButton(clientData)
if (butPtr->image != NULL) {
Tk_SizeOfImage(butPtr->image, &width, &height);
+ haveImage = 1;
+ } else if (butPtr->bitmap != None) {
+ Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height);
+ haveImage = 1;
+ }
+ haveText = (butPtr->textWidth != 0 && butPtr->textHeight != 0);
+
+ if (butPtr->compound != COMPOUND_NONE && haveImage && haveText) {
+ imageXOffset = 0;
+ imageYOffset = 0;
+ textXOffset = 0;
+ textYOffset = 0;
+ fullWidth = 0;
+ fullHeight = 0;
+
+ switch ((enum compound) butPtr->compound) {
+ case COMPOUND_TOP:
+ case COMPOUND_BOTTOM: {
+ /* Image is above or below text */
+ if (butPtr->compound == COMPOUND_TOP) {
+ textYOffset = height + butPtr->padY;
+ } else {
+ imageYOffset = butPtr->textHeight + butPtr->padY;
+ }
+ fullHeight = height + butPtr->textHeight + butPtr->padY;
+ fullWidth = (width > butPtr->textWidth ? width :
+ butPtr->textWidth);
+ textXOffset = (fullWidth - butPtr->textWidth)/2;
+ imageXOffset = (fullWidth - width)/2;
+ break;
+ }
+ case COMPOUND_LEFT:
+ case COMPOUND_RIGHT: {
+ /* Image is left or right of text */
+ if (butPtr->compound == COMPOUND_LEFT) {
+ textXOffset = width + butPtr->padX;
+ } else {
+ imageXOffset = butPtr->textWidth + butPtr->padX;
+ }
+ fullWidth = butPtr->textWidth + butPtr->padX + width;
+ fullHeight = (height > butPtr->textHeight ? height :
+ butPtr->textHeight);
+ textYOffset = (fullHeight - butPtr->textHeight)/2;
+ imageYOffset = (fullHeight - height)/2;
+ break;
+ }
+ case COMPOUND_CENTER: {
+ /* Image and text are superimposed */
+ fullWidth = (width > butPtr->textWidth ? width :
+ butPtr->textWidth);
+ fullHeight = (height > butPtr->textHeight ? height :
+ butPtr->textHeight);
+ textXOffset = (fullWidth - butPtr->textWidth)/2;
+ imageXOffset = (fullWidth - width)/2;
+ textYOffset = (fullHeight - butPtr->textHeight)/2;
+ imageYOffset = (fullHeight - height)/2;
+ break;
+ }
+ case COMPOUND_NONE: {break;}
+ }
+
+ TkComputeAnchor(butPtr->anchor, tkwin, butPtr->padX, butPtr->padY,
+ butPtr->indicatorSpace + fullWidth, fullHeight, &x, &y);
- imageOrBitmap:
- TkComputeAnchor(butPtr->anchor, tkwin, 0, 0,
- butPtr->indicatorSpace + width, height, &x, &y);
x += butPtr->indicatorSpace;
-
+
x += offset;
y += offset;
if (relief == TK_RELIEF_RAISED) {
@@ -171,47 +234,87 @@ TkpDisplayButton(clientData)
x += offset;
y += offset;
}
+
if (butPtr->image != NULL) {
if ((butPtr->selectImage != NULL) && (butPtr->flags & SELECTED)) {
- Tk_RedrawImage(butPtr->selectImage, 0, 0, width, height, pixmap,
- x, y);
+ Tk_RedrawImage(butPtr->selectImage, 0, 0,
+ width, height, pixmap, x + imageXOffset,
+ y + imageYOffset);
} else {
- Tk_RedrawImage(butPtr->image, 0, 0, width, height, pixmap,
- x, y);
+ Tk_RedrawImage(butPtr->image, 0, 0, width,
+ height, pixmap, x + imageXOffset, y + imageYOffset);
}
} else {
- XSetClipOrigin(butPtr->display, gc, x, y);
- XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, gc, 0, 0,
- (unsigned int) width, (unsigned int) height, x, y, 1);
+ XSetClipOrigin(butPtr->display, gc, x + imageXOffset,
+ y + imageYOffset);
+ XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, gc,
+ 0, 0, (unsigned int) width,
+ (unsigned int) height, x + imageXOffset,
+ y + imageYOffset, 1);
XSetClipOrigin(butPtr->display, gc, 0, 0);
}
- y += height/2;
- } else if (butPtr->bitmap != None) {
- Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height);
- goto imageOrBitmap;
- } else {
- TkComputeAnchor(butPtr->anchor, tkwin, butPtr->padX, butPtr->padY,
- butPtr->indicatorSpace + butPtr->textWidth, butPtr->textHeight,
- &x, &y);
-
- x += butPtr->indicatorSpace;
- x += offset;
- y += offset;
- if (relief == TK_RELIEF_RAISED) {
- x -= offset;
- y -= offset;
- } else if (relief == TK_RELIEF_SUNKEN) {
+ Tk_DrawTextLayout(butPtr->display, pixmap, gc, butPtr->textLayout,
+ x + textXOffset, y + textYOffset, 0, -1);
+ Tk_UnderlineTextLayout(butPtr->display, pixmap, gc,
+ butPtr->textLayout, x + textXOffset, y + textYOffset,
+ butPtr->underline);
+ y += fullHeight/2;
+ } else {
+ if (haveImage) {
+ TkComputeAnchor(butPtr->anchor, tkwin, 0, 0,
+ butPtr->indicatorSpace + width, height, &x, &y);
+ x += butPtr->indicatorSpace;
+
x += offset;
y += offset;
+ if (relief == TK_RELIEF_RAISED) {
+ x -= offset;
+ y -= offset;
+ } else if (relief == TK_RELIEF_SUNKEN) {
+ x += offset;
+ y += offset;
+ }
+ if (butPtr->image != NULL) {
+ if ((butPtr->selectImage != NULL) &&
+ (butPtr->flags & SELECTED)) {
+ Tk_RedrawImage(butPtr->selectImage, 0, 0, width,
+ height, pixmap, x, y);
+ } else {
+ Tk_RedrawImage(butPtr->image, 0, 0, width, height, pixmap,
+ x, y);
+ }
+ } else {
+ XSetClipOrigin(butPtr->display, gc, x, y);
+ XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, gc, 0, 0,
+ (unsigned int) width, (unsigned int) height, x, y, 1);
+ XSetClipOrigin(butPtr->display, gc, 0, 0);
+ }
+ y += height/2;
+ } else {
+ TkComputeAnchor(butPtr->anchor, tkwin, butPtr->padX, butPtr->padY,
+ butPtr->indicatorSpace + butPtr->textWidth,
+ butPtr->textHeight, &x, &y);
+
+ x += butPtr->indicatorSpace;
+
+ x += offset;
+ y += offset;
+ if (relief == TK_RELIEF_RAISED) {
+ x -= offset;
+ y -= offset;
+ } else if (relief == TK_RELIEF_SUNKEN) {
+ x += offset;
+ y += offset;
+ }
+ Tk_DrawTextLayout(butPtr->display, pixmap, gc, butPtr->textLayout,
+ x, y, 0, -1);
+ Tk_UnderlineTextLayout(butPtr->display, pixmap, gc,
+ butPtr->textLayout, x, y, butPtr->underline);
+ y += butPtr->textHeight/2;
}
- Tk_DrawTextLayout(butPtr->display, pixmap, gc, butPtr->textLayout,
- x, y, 0, -1);
- Tk_UnderlineTextLayout(butPtr->display, pixmap, gc,
- butPtr->textLayout, x, y, butPtr->underline);
- y += butPtr->textHeight/2;
}
-
+
/*
* Draw the indicator for check buttons and radio buttons. At this
* point x and y refer to the top-left corner of the text or image
@@ -408,7 +511,8 @@ void
TkpComputeButtonGeometry(butPtr)
register TkButton *butPtr; /* Button whose geometry may have changed. */
{
- int width, height, avgWidth;
+ int width, height, avgWidth, txtWidth, txtHeight;
+ int haveImage = 0, haveText = 0;
Tk_FontMetrics fm;
butPtr->inset = butPtr->highlightWidth + butPtr->borderWidth;
@@ -421,15 +525,73 @@ TkpComputeButtonGeometry(butPtr)
butPtr->inset += 5;
}
butPtr->indicatorSpace = 0;
+
+ width = 0;
+ height = 0;
+ txtWidth = 0;
+ txtHeight = 0;
+ avgWidth = 0;
+
if (butPtr->image != NULL) {
Tk_SizeOfImage(butPtr->image, &width, &height);
- imageOrBitmap:
+ haveImage = 1;
+ } else if (butPtr->bitmap != None) {
+ Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height);
+ haveImage = 1;
+ }
+
+ if (haveImage == 0 || butPtr->compound != COMPOUND_NONE) {
+ Tk_FreeTextLayout(butPtr->textLayout);
+
+ butPtr->textLayout = Tk_ComputeTextLayout(butPtr->tkfont,
+ Tcl_GetString(butPtr->textPtr), -1, butPtr->wrapLength,
+ butPtr->justify, 0, &butPtr->textWidth, &butPtr->textHeight);
+
+ txtWidth = butPtr->textWidth;
+ txtHeight = butPtr->textHeight;
+ avgWidth = Tk_TextWidth(butPtr->tkfont, "0", 1);
+ Tk_GetFontMetrics(butPtr->tkfont, &fm);
+ haveText = (txtWidth != 0 && txtHeight != 0);
+ }
+
+ /*
+ * If the button 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 button has both text and an
+ * image, because otherwise it is not really a compound button.
+ */
+
+ if (butPtr->compound != COMPOUND_NONE && haveImage && haveText) {
+ switch ((enum compound) butPtr->compound) {
+ case COMPOUND_TOP:
+ case COMPOUND_BOTTOM: {
+ /* Image is above or below text */
+ height += txtHeight + butPtr->padY;
+ width = (width > txtWidth ? width : txtWidth);
+ break;
+ }
+ case COMPOUND_LEFT:
+ case COMPOUND_RIGHT: {
+ /* Image is left or right of text */
+ width += txtWidth + butPtr->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 (butPtr->width > 0) {
width = butPtr->width;
}
if (butPtr->height > 0) {
height = butPtr->height;
}
+
if ((butPtr->type >= TYPE_CHECK_BUTTON) && butPtr->indicatorOn) {
butPtr->indicatorSpace = height;
if (butPtr->type == TYPE_CHECK_BUTTON) {
@@ -438,33 +600,45 @@ TkpComputeButtonGeometry(butPtr)
butPtr->indicatorDiameter = (75*height)/100;
}
}
- } else if (butPtr->bitmap != None) {
- Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height);
- goto imageOrBitmap;
- } else {
- Tk_FreeTextLayout(butPtr->textLayout);
- butPtr->textLayout = Tk_ComputeTextLayout(butPtr->tkfont,
- Tcl_GetString(butPtr->textPtr), -1, butPtr->wrapLength,
- butPtr->justify, 0, &butPtr->textWidth, &butPtr->textHeight);
-
- width = butPtr->textWidth;
- height = butPtr->textHeight;
- avgWidth = Tk_TextWidth(butPtr->tkfont, "0", 1);
- Tk_GetFontMetrics(butPtr->tkfont, &fm);
+ width += 2*butPtr->padX;
+ height += 2*butPtr->padY;
- if (butPtr->width > 0) {
- width = butPtr->width * avgWidth;
- }
- if (butPtr->height > 0) {
- height = butPtr->height * fm.linespace;
- }
- if ((butPtr->type >= TYPE_CHECK_BUTTON) && butPtr->indicatorOn) {
- butPtr->indicatorDiameter = fm.linespace;
- if (butPtr->type == TYPE_CHECK_BUTTON) {
- butPtr->indicatorDiameter = (80*butPtr->indicatorDiameter)/100;
+ } else {
+ if (haveImage) {
+ if (butPtr->width > 0) {
+ width = butPtr->width;
+ }
+ if (butPtr->height > 0) {
+ height = butPtr->height;
+ }
+
+ if ((butPtr->type >= TYPE_CHECK_BUTTON) && butPtr->indicatorOn) {
+ butPtr->indicatorSpace = height;
+ if (butPtr->type == TYPE_CHECK_BUTTON) {
+ butPtr->indicatorDiameter = (65*height)/100;
+ } else {
+ butPtr->indicatorDiameter = (75*height)/100;
+ }
+ }
+ } else {
+ width = txtWidth;
+ height = txtHeight;
+
+ if (butPtr->width > 0) {
+ width = butPtr->width * avgWidth;
+ }
+ if (butPtr->height > 0) {
+ height = butPtr->height * fm.linespace;
+ }
+ if ((butPtr->type >= TYPE_CHECK_BUTTON) && butPtr->indicatorOn) {
+ butPtr->indicatorDiameter = fm.linespace;
+ if (butPtr->type == TYPE_CHECK_BUTTON) {
+ butPtr->indicatorDiameter =
+ (80*butPtr->indicatorDiameter)/100;
+ }
+ butPtr->indicatorSpace = butPtr->indicatorDiameter + avgWidth;
}
- butPtr->indicatorSpace = butPtr->indicatorDiameter + avgWidth;
}
}