/* * tkMacOSXButton.c -- * * This file implements the Macintosh specific portion of the * button widgets. * * Copyright (c) 1996-1997 by Sun Microsystems, Inc. * Copyright 2001, Apple Computer, Inc. * Copyright (c) 2006-2007 Daniel A. Steffen * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * RCS: @(#) $Id: tkMacOSXButton.c,v 1.2.2.20 2007/11/09 07:36:45 das Exp $ */ #include "tkMacOSXPrivate.h" #include "tkButton.h" #include "tkMacOSXFont.h" #include "tkMacOSXDebug.h" #define DEFAULT_USE_TK_TEXT 0 #define CONTROL_INITIALIZED 1 #define FIRST_DRAW 2 #define ACTIVE 4 #define MAX_VALUE 1 /* * Default insets for controls */ #define DEF_INSET_LEFT 2 #define DEF_INSET_RIGHT 2 #define DEF_INSET_TOP 2 #define DEF_INSET_BOTTOM 4 /* * Some defines used to control what type of control is drawn. */ #define DRAW_LABEL 0 /* Labels are treated genericly. */ #define DRAW_CONTROL 1 /* Draw using the Native control. */ #define DRAW_CUSTOM 2 /* Make our own button drawing. */ #define DRAW_BEVEL 3 /* * Declaration of Mac specific button structure. */ typedef struct { SInt16 initialValue; SInt16 minValue; SInt16 maxValue; SInt16 procID; int isBevel; } MacControlParams; typedef struct { int drawType; Tk_3DBorder border; int relief; int offset; /* 0 means this is a normal widget. 1 means * it is an image button, so we offset the * image to make the button appear to move * up and down as the relief changes. */ GC gc; int hasImageOrBitmap; } DrawParams; typedef struct { TkButton info; /* Generic button info */ int id; int usingControl; int useTkText; int flags; /* Initialisation status */ MacControlParams params; WindowRef windowRef; unsigned long userPaneBackground; ControlRef userPane; /* Carbon control */ ControlRef control; /* Carbon control */ Str255 controlTitle; ControlFontStyleRec fontStyle; /* * The following are used to store the image content for * beveled buttons, i.e. buttons with images. */ ControlButtonContentInfo bevelButtonContent; OpenCPicParams picParams; } MacButton; /* * Forward declarations for procedures defined later in this file: */ static OSStatus SetUserPaneDrawProc(ControlRef control, ControlUserPaneDrawProcPtr upp); static OSStatus SetUserPaneSetUpSpecialBackgroundProc(ControlRef control, ControlUserPaneBackgroundProcPtr upp); static void UserPaneDraw(ControlRef control, ControlPartCode cpc); static void UserPaneBackgroundProc(ControlHandle, ControlBackgroundPtr info); static void ButtonEventProc(ClientData clientData, XEvent *eventPtr); static int UpdateControlColors(MacButton *mbPtr); static void TkMacOSXComputeControlParams(TkButton *butPtr, MacControlParams *paramsPtr); static int TkMacOSXComputeDrawParams(TkButton *butPtr, DrawParams *dpPtr); static void TkMacOSXDrawControl(MacButton *butPtr, GWorldPtr destPort, GC gc, Pixmap pixmap); static void SetupBevelButton(MacButton *butPtr, ControlRef controlHandle, GWorldPtr destPort, GC gc, Pixmap pixmap); /* * The class procedure table for the button widgets. */ Tk_ClassProcs tkpButtonProcs = { sizeof(Tk_ClassProcs), /* size */ TkButtonWorldChanged, /* worldChangedProc */ }; static int bCount; /* *---------------------------------------------------------------------- * * TkpCreateButton -- * * Allocate a new TkButton structure. * * Results: * Returns a newly allocated TkButton structure. * * Side effects: * Registers an event handler for the widget. * *---------------------------------------------------------------------- */ TkButton * TkpCreateButton( Tk_Window tkwin) { MacButton *macButtonPtr = (MacButton *) ckalloc(sizeof(MacButton)); Tk_CreateEventHandler(tkwin, ActivateMask, ButtonEventProc, (ClientData) macButtonPtr); macButtonPtr->id = bCount++; macButtonPtr->usingControl = 0; macButtonPtr->flags = 0; macButtonPtr->userPaneBackground = PIXEL_MAGIC << 24; macButtonPtr->userPane = NULL; macButtonPtr->control = NULL; macButtonPtr->controlTitle[0] = 0; macButtonPtr->controlTitle[1] = 0; bzero(&macButtonPtr->params, sizeof(macButtonPtr->params)); bzero(&macButtonPtr->fontStyle, sizeof(macButtonPtr->fontStyle)); return (TkButton *)macButtonPtr; } /* *---------------------------------------------------------------------- * * TkpDisplayButton -- * * This procedure is invoked to display a button widget. It is * normally invoked as an idle handler. * * Results: * None. * * Side effects: * Commands are output to X to display the button in its * current mode. The REDRAW_PENDING flag is cleared. * *---------------------------------------------------------------------- */ void TkpDisplayButton( ClientData clientData) /* Information about widget. */ { MacButton *macButtonPtr = (MacButton *) clientData; TkButton *butPtr = (TkButton *) clientData; Tk_Window tkwin = butPtr->tkwin; CGrafPtr destPort, savePort; Boolean portChanged; Pixmap pixmap; int width, height, fullWidth, fullHeight, textXOffset, textYOffset; int borderWidth, wasUsingControl; int haveImage = 0, haveText = 0, imageWidth = 0, imageHeight = 0; int imageXOffset = 0, imageYOffset = 0; /* image information that will * be used to restrict disabled * pixmap as well */ DrawParams drawParams, *dpPtr = &drawParams; butPtr->flags &= ~REDRAW_PENDING; if ((butPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) { return; } pixmap = (Pixmap) Tk_WindowId(tkwin); wasUsingControl = macButtonPtr->usingControl; if (TkMacOSXComputeDrawParams(butPtr, &drawParams) ) { macButtonPtr->usingControl = 1; if (butPtr->type == TYPE_BUTTON) { macButtonPtr->useTkText = 0; } else { macButtonPtr->useTkText = 1; } } else { macButtonPtr->usingControl = 0; macButtonPtr->useTkText = 1; } /* * See the comment in UpdateControlColors as to why we use the * highlightbackground for the border of Macintosh buttons. */ if (macButtonPtr->useTkText) { if (butPtr->type == TYPE_BUTTON) { Tk_Fill3DRectangle(tkwin, pixmap, butPtr->highlightBorder, 0, 0, Tk_Width(tkwin), Tk_Height(tkwin), 0, TK_RELIEF_FLAT); } else { Tk_Fill3DRectangle(tkwin, pixmap, butPtr->normalBorder, 0, 0, Tk_Width(tkwin), Tk_Height(tkwin), 0, TK_RELIEF_FLAT); } } /* * Set up clipping region. Make sure the we are using the port * for this button, or we will set the wrong window's clip. */ destPort = TkMacOSXGetDrawablePort(pixmap); portChanged = QDSwapPort(destPort, &savePort); TkMacOSXSetUpClippingRgn(pixmap); /* * Draw the native portion of the buttons. Start by creating the control * if it doesn't already exist. Then configure the Macintosh control from * the Tk info. Finally, we call Draw1Control to draw to the screen. */ if (macButtonPtr->usingControl) { borderWidth = 0; TkMacOSXDrawControl(macButtonPtr, destPort, dpPtr->gc, pixmap); } else if (wasUsingControl && macButtonPtr->userPane) { DisposeControl(macButtonPtr->userPane); macButtonPtr->userPane = NULL; macButtonPtr->control = NULL; macButtonPtr->flags = 0; } if ((dpPtr->drawType == DRAW_CUSTOM) || (dpPtr->drawType == DRAW_LABEL)) { borderWidth = butPtr->borderWidth; } /* * Display image or bitmap or text for button. This has * already been done under Appearance with the Bevel * button types. */ if (dpPtr->drawType == DRAW_BEVEL) { goto applyStipple; } if (butPtr->image != None) { Tk_SizeOfImage(butPtr->image, &width, &height); haveImage = 1; } else if (butPtr->bitmap != None) { Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height); haveImage = 1; } imageWidth = width; imageHeight = height; haveText = (butPtr->textWidth != 0 && butPtr->textHeight != 0); if (butPtr->compound != COMPOUND_NONE && haveImage && haveText) { int x, y; 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); x += butPtr->indicatorSpace; x += dpPtr->offset; y += dpPtr->offset; if (dpPtr->relief == TK_RELIEF_RAISED) { x -= dpPtr->offset; y -= dpPtr->offset; } else if (dpPtr->relief == TK_RELIEF_SUNKEN) { x += dpPtr->offset; y += dpPtr->offset; } imageXOffset += x; imageYOffset += y; if (butPtr->image != NULL) { if ((butPtr->selectImage != NULL) && (butPtr->flags & SELECTED)) { Tk_RedrawImage(butPtr->selectImage, 0, 0, width, height, pixmap, imageXOffset, imageYOffset); #if 0 } else if ((butPtr->tristateImage != NULL) && (butPtr->flags & TRISTATED)) { Tk_RedrawImage(butPtr->tristateImage, 0, 0, width, height, pixmap, imageXOffset, imageYOffset); #endif } else { Tk_RedrawImage(butPtr->image, 0, 0, width, height, pixmap, imageXOffset, imageYOffset); } } else { XSetClipOrigin(butPtr->display, dpPtr->gc, imageXOffset, imageYOffset); XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, dpPtr->gc, 0, 0, width, height, imageXOffset, imageYOffset, 1); XSetClipOrigin(butPtr->display, dpPtr->gc, 0, 0); } if (macButtonPtr->useTkText) { Tk_DrawTextLayout(butPtr->display, pixmap, dpPtr->gc, butPtr->textLayout, x + textXOffset, y + textYOffset, 0, -1); Tk_UnderlineTextLayout(butPtr->display, pixmap, dpPtr->gc, butPtr->textLayout, x + textXOffset, y + textYOffset, butPtr->underline); } y += fullHeight/2; } else if (haveImage) { int x = 0, y; TkComputeAnchor(butPtr->anchor, tkwin, 0, 0, butPtr->indicatorSpace + width, height, &x, &y); x += butPtr->indicatorSpace; x += dpPtr->offset; y += dpPtr->offset; if (dpPtr->relief == TK_RELIEF_RAISED) { x -= dpPtr->offset; y -= dpPtr->offset; } else if (dpPtr->relief == TK_RELIEF_SUNKEN) { x += dpPtr->offset; y += dpPtr->offset; } imageXOffset += x; imageYOffset += y; if (butPtr->image != NULL) { if ((butPtr->selectImage != NULL) && (butPtr->flags & SELECTED)) { Tk_RedrawImage(butPtr->selectImage, 0, 0, width, height, pixmap, imageXOffset, imageYOffset); #if 0 } else if ((butPtr->tristateImage != NULL) && (butPtr->flags & TRISTATED)) { Tk_RedrawImage(butPtr->tristateImage, 0, 0, width, height, pixmap, imageXOffset, imageYOffset); #endif } else { Tk_RedrawImage(butPtr->image, 0, 0, width, height, pixmap, imageXOffset, imageYOffset); } } else { XSetClipOrigin(butPtr->display, dpPtr->gc, x, y); XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, dpPtr->gc, 0, 0, width, height, x, y, 1); XSetClipOrigin(butPtr->display, dpPtr->gc, 0, 0); } y += height/2; } else if (macButtonPtr->useTkText) { int x = 0, y; TkComputeAnchor(butPtr->anchor, tkwin, butPtr->padX, butPtr->padY, butPtr->indicatorSpace + butPtr->textWidth, butPtr->textHeight, &x, &y); x += butPtr->indicatorSpace; Tk_DrawTextLayout(butPtr->display, pixmap, dpPtr->gc, butPtr->textLayout, x, y, 0, -1); } /* * If the button is disabled with a stipple rather than a special * foreground color, generate the stippled effect. If the widget * is selected and we use a different background color when selected, * must temporarily modify the GC so the stippling is the right color. */ applyStipple: if (macButtonPtr->useTkText) { if ((butPtr->state == STATE_DISABLED) && ((butPtr->disabledFg == NULL) || (butPtr->image != NULL))) { if ((butPtr->flags & SELECTED) && !butPtr->indicatorOn && (butPtr->selectBorder != NULL)) { XSetForeground(butPtr->display, butPtr->stippleGC, Tk_3DBorderColor(butPtr->selectBorder)->pixel); } /* * Stipple the whole button if no disabledFg was specified, * otherwise restrict stippling only to displayed image */ if (butPtr->disabledFg == NULL) { XFillRectangle(butPtr->display, pixmap, butPtr->stippleGC, 0, 0, (unsigned) Tk_Width(tkwin), (unsigned) Tk_Height(tkwin)); } else { XFillRectangle(butPtr->display, pixmap, butPtr->stippleGC, imageXOffset, imageYOffset, (unsigned) imageWidth, (unsigned) imageHeight); } if ((butPtr->flags & SELECTED) && !butPtr->indicatorOn && (butPtr->selectBorder != NULL)) { XSetForeground(butPtr->display, butPtr->stippleGC, Tk_3DBorderColor(butPtr->normalBorder)->pixel); } } /* * Draw the border and traversal highlight last. This way, if the * button's contents overflow they'll be covered up by the border. */ if (dpPtr->relief != TK_RELIEF_FLAT) { int inset = butPtr->highlightWidth; Tk_Draw3DRectangle(tkwin, pixmap, dpPtr->border, inset, inset, Tk_Width(tkwin) - 2*inset, Tk_Height(tkwin) - 2*inset, butPtr->borderWidth, dpPtr->relief); } } if (portChanged) { QDSwapPort(savePort, NULL); } } /* *---------------------------------------------------------------------- * * TkpComputeButtonGeometry -- * * After changes in a button's text or bitmap, this procedure * recomputes the button's geometry and passes this information * along to the geometry manager for the window. * * Results: * None. * * Side effects: * The button's window may change size. * *---------------------------------------------------------------------- */ void TkpComputeButtonGeometry( TkButton *butPtr) /* Button whose geometry may have changed. */ { int width, height, avgWidth, haveImage = 0, haveText = 0; int xInset, yInset, txtWidth, txtHeight; Tk_FontMetrics fm; DrawParams drawParams; /* * First figure out the size of the contents of the button. */ width = 0; height = 0; txtWidth = 0; txtHeight = 0; avgWidth = 0; butPtr->indicatorSpace = 0; 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; } 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) { butPtr->indicatorDiameter = (65 * height)/100; } else { butPtr->indicatorDiameter = (75 * height)/100; } } width += 2 * butPtr->padX; height += 2 * butPtr->padY; } 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; } } /* * Now figure out the size of the border decorations for the button. */ if (butPtr->highlightWidth < 0) { butPtr->highlightWidth = 0; } /* * The width and height calculation for Appearance buttons with images & * non-Appearance buttons with images is different. In the latter case, * we add the borderwidth to the inset, since we are going to stamp a * 3-D border over the image. In the former, we add it to the height, * directly, since Appearance will draw the border as part of our control. * * When issuing the geometry request, add extra space for the indicator, * if any, and for the border and padding, plus if this is an image two * extra pixels so the display can be offset by 1 pixel in either * direction for the raised or lowered effect. * * The highlight width corresponds to the default ring on the Macintosh. * As such, the highlight width is only added if the button is the default * button. The actual width of the default ring is one less than the * highlight width as there is also one pixel of spacing. * Appearance buttons with images do not have a highlight ring, because the * Bevel button type does not support one. */ if ((butPtr->image == None) && (butPtr->bitmap == None)) { width += 2*butPtr->padX; height += 2*butPtr->padY; } if ((butPtr->type == TYPE_BUTTON)) { if ((butPtr->image == None) && (butPtr->bitmap == None)) { butPtr->inset = 0; if (butPtr->defaultState != STATE_DISABLED) { butPtr->inset += butPtr->highlightWidth; } } else { butPtr->inset = 0; width += (2 * butPtr->borderWidth + 4); height += (2 * butPtr->borderWidth + 4); } } else if (butPtr->type == TYPE_LABEL) { butPtr->inset = butPtr->borderWidth; } else if (butPtr->indicatorOn) { butPtr->inset = 0; } else { /* * Under Appearance, the Checkbutton or radiobutton with an image * is represented by a BevelButton with the Sticky defProc... * So we must set its height in the same way as the Button * with an image or bitmap. */ if (butPtr->image != None || butPtr->bitmap != None) { int border; butPtr->inset = 0; if (butPtr->borderWidth <= 2) { border = 6; } else { border = 2 * butPtr->borderWidth + 2; } width += border; height += border; } else { butPtr->inset = butPtr->borderWidth; } } if (TkMacOSXComputeDrawParams(butPtr, &drawParams)) { xInset = butPtr->indicatorSpace + DEF_INSET_LEFT + DEF_INSET_RIGHT; yInset = DEF_INSET_TOP + DEF_INSET_BOTTOM; } else { xInset = butPtr->indicatorSpace+butPtr->inset*2; yInset = butPtr->inset*2; } Tk_GeometryRequest(butPtr->tkwin, width + xInset, height + yInset); Tk_SetInternalBorder(butPtr->tkwin, butPtr->inset); } /* *---------------------------------------------------------------------- * * TkpDestroyButton -- * * Free data structures associated with the button control. * * Results: * None. * * Side effects: * Restores the default control state. * *---------------------------------------------------------------------- */ void TkpDestroyButton( TkButton *butPtr) { MacButton *mbPtr = (MacButton *) butPtr; /* Mac button. */ if (mbPtr->userPane) { DisposeControl(mbPtr->userPane); mbPtr->userPane = NULL; } } /* *---------------------------------------------------------------------- * * TkMacOSXInitControl -- * * This procedure initialises a Carbon control. * * Results: * 0 on success, 1 on failure. * * Side effects: * A background pane control and the control itself is created * The contol is embedded in the background control * The background control is embedded in the root control * of the containing window * The creation parameters for the control are also computed * *---------------------------------------------------------------------- */ static int TkMacOSXInitControl( MacButton *mbPtr, /* Mac button. */ GWorldPtr destPort, GC gc, Pixmap pixmap, Rect *paneRect, Rect *cntrRect) { TkButton *butPtr = (TkButton *) mbPtr; ControlRef rootControl; SInt16 procID, initialValue, minValue, maxValue; Boolean initiallyVisible; SInt32 controlReference; rootControl = TkMacOSXGetRootControl(Tk_WindowId(butPtr->tkwin)); mbPtr->windowRef = TkMacOSXDrawableWindow(Tk_WindowId(butPtr->tkwin)); /* * Set up the user pane. */ initiallyVisible = false; initialValue = kControlSupportsEmbedding|kControlHasSpecialBackground; minValue = 0; maxValue = 1; procID = kControlUserPaneProc; controlReference = (SInt32)mbPtr; mbPtr->userPane = NewControl(mbPtr->windowRef, paneRect, "\p", initiallyVisible, initialValue, minValue, maxValue, procID, controlReference); if (!mbPtr->userPane) { TkMacOSXDbgMsg("Failed to create user pane control"); return 1; } if (ChkErr(EmbedControl, mbPtr->userPane,rootControl) != noErr) { return 1; } SetUserPaneSetUpSpecialBackgroundProc(mbPtr->userPane, UserPaneBackgroundProc); SetUserPaneDrawProc(mbPtr->userPane,UserPaneDraw); initiallyVisible = false; TkMacOSXComputeControlParams(butPtr,&mbPtr->params); mbPtr->control = NewControl(mbPtr->windowRef, cntrRect, "\p", initiallyVisible, mbPtr->params.initialValue, mbPtr->params.minValue, mbPtr->params.maxValue, mbPtr->params.procID, controlReference); if (!mbPtr->control) { TkMacOSXDbgMsg("Failed to create control of type %d\n", procID); return 1; } if (ChkErr(EmbedControl, mbPtr->control,mbPtr->userPane) != noErr ) { return 1; } mbPtr->flags |= (CONTROL_INITIALIZED | FIRST_DRAW); if (IsWindowActive(mbPtr->windowRef)) { mbPtr->flags |= ACTIVE; } return 0; } /* *-------------------------------------------------------------- * * TkMacOSXDrawControl -- * * This function draws the tk button using Mac controls * In addition, this code may apply custom colors passed * in the TkButton. * * Results: * None. * * Side effects: * The control is created, or reinitialised as needed. * *-------------------------------------------------------------- */ static void TkMacOSXDrawControl( MacButton *mbPtr, /* Mac button. */ GWorldPtr destPort, /* Off screen GWorld. */ GC gc, /* The GC we are drawing into - needed for the * bevel button */ Pixmap pixmap) /* The pixmap we are drawing into - needed for * the bevel button */ { TkButton *butPtr = (TkButton *) mbPtr; TkWindow *winPtr; Rect paneRect, cntrRect; int active, enabled; int rebuild; winPtr = (TkWindow *) butPtr->tkwin; paneRect.left = winPtr->privatePtr->xOff; paneRect.top = winPtr->privatePtr->yOff; paneRect.right = paneRect.left + Tk_Width(butPtr->tkwin); paneRect.bottom = paneRect.top + Tk_Height(butPtr->tkwin); cntrRect = paneRect; /* cntrRect.left += butPtr->inset; cntrRect.top += butPtr->inset; cntrRect.right -= butPtr->inset; cntrRect.bottom -= butPtr->inset; */ cntrRect.left += DEF_INSET_LEFT; cntrRect.top += DEF_INSET_TOP; cntrRect.right -= DEF_INSET_RIGHT; cntrRect.bottom -= DEF_INSET_BOTTOM; /* * The control has been previously initialised. * It may need to be re-initialised */ #if 0 rebuild = (winPtr->flags & TK_REBUILD_TOPLEVEL); winPtr->flags &= ~TK_REBUILD_TOPLEVEL; #else rebuild = 0; #endif if (mbPtr->flags) { MacControlParams params; TkMacOSXComputeControlParams(butPtr, ¶ms); if (rebuild || bcmp(¶ms, &mbPtr->params, sizeof(params))) { /* * The type of control has changed. * Clean it up and clear the flag. */ if (mbPtr->userPane) { DisposeControl(mbPtr->userPane); mbPtr->userPane = NULL; mbPtr->control = NULL; } mbPtr->flags = 0; } } if (!(mbPtr->flags & CONTROL_INITIALIZED)) { if (TkMacOSXInitControl(mbPtr, destPort, gc, pixmap, &paneRect, &cntrRect)) { return; } } SetControlBounds(mbPtr->userPane, &paneRect); SetControlBounds(mbPtr->control, &cntrRect); if (!mbPtr->useTkText) { Str255 controlTitle; ControlFontStyleRec fontStyle; Tk_Font font; int len; if (((mbPtr->info.image == NULL) && (mbPtr->info.bitmap == None)) || (mbPtr->info.compound != COMPOUND_NONE)) { len = TkFontGetFirstTextLayout(butPtr->textLayout, &font, (char*) controlTitle); controlTitle[len] = 0; } else { len = 0; controlTitle[0] = 0; } if (rebuild || bcmp(mbPtr->controlTitle, controlTitle, len+1)) { CFStringRef cf = CFStringCreateWithCString(NULL, (char*) controlTitle, kCFStringEncodingUTF8); if (cf != NULL) { SetControlTitleWithCFString(mbPtr->control, cf); CFRelease(cf); } bcopy(controlTitle, mbPtr->controlTitle, len+1); } if (len) { TkMacOSXInitControlFontStyle(font, &fontStyle); if (bcmp(&mbPtr->fontStyle, &fontStyle, sizeof(fontStyle)) ) { ChkErr(SetControlFontStyle, mbPtr->control, &fontStyle); bcopy(&fontStyle, &mbPtr->fontStyle, sizeof(fontStyle)); } } } if (mbPtr->params.isBevel) { /* * Initialiase the image/button parameters. */ SetupBevelButton(mbPtr, mbPtr->control, destPort, gc, pixmap); } if (butPtr->flags & SELECTED) { SetControlValue(mbPtr->control, 1); #if 0 } else if (butPtr->flags & TRISTATED) { SetControlValue(mbPtr->control, 2); #endif } else { SetControlValue(mbPtr->control, 0); } active = ((mbPtr->flags & ACTIVE) != 0); if (active != IsControlActive(mbPtr->control)) { if (active) { ChkErr(ActivateControl, mbPtr->control); } else { ChkErr(DeactivateControl, mbPtr->control); } } enabled = !(butPtr->state == STATE_DISABLED); if (enabled != IsControlEnabled(mbPtr->control)) { if (enabled) { ChkErr(EnableControl, mbPtr->control); } else { ChkErr(DisableControl, mbPtr->control); } } if (active && enabled) { if (butPtr->state == STATE_ACTIVE) { if (mbPtr->params.isBevel) { HiliteControl(mbPtr->control, kControlButtonPart); } else { switch (butPtr->type) { case TYPE_BUTTON: HiliteControl(mbPtr->control, kControlButtonPart); break; case TYPE_RADIO_BUTTON: HiliteControl(mbPtr->control, kControlRadioButtonPart); break; case TYPE_CHECK_BUTTON: HiliteControl(mbPtr->control, kControlCheckBoxPart); break; } } } else { HiliteControl(mbPtr->control, kControlNoPart); } } UpdateControlColors(mbPtr); if (butPtr->type == TYPE_BUTTON && !mbPtr->params.isBevel) { Boolean isDefault; if (butPtr->defaultState == STATE_ACTIVE) { isDefault = true; } else { isDefault = false; } ChkErr(SetControlData, mbPtr->control, kControlNoPart, kControlPushButtonDefaultTag, sizeof(isDefault), &isDefault); } if (mbPtr->flags & FIRST_DRAW) { ShowControl(mbPtr->userPane); ShowControl(mbPtr->control); mbPtr->flags ^= FIRST_DRAW; } else { SetControlVisibility(mbPtr->control, true, true); Draw1Control(mbPtr->userPane); } if (mbPtr->params.isBevel) { if (mbPtr->bevelButtonContent.contentType == kControlContentPictHandle) { KillPicture(mbPtr->bevelButtonContent.u.picture); } } } /* *-------------------------------------------------------------- * * SetupBevelButton -- * * Sets up the Bevel Button with image by copying the * source image onto the PicHandle for the button. * * Results: * None * * Side effects: * The image or bitmap for the button is copied over to a picture. * *-------------------------------------------------------------- */ void SetupBevelButton( MacButton *mbPtr, /* Mac button. */ ControlRef controlHandle, /* The control to set this picture to. */ GWorldPtr destPort, /* Off screen GWorld. */ GC gc, /* The GC we are drawing into - needed for the * bevel button. */ Pixmap pixmap) /* The pixmap we are drawing into - needed for * the bevel button. */ { TkButton *butPtr = (TkButton *) mbPtr; int height, width; ControlButtonGraphicAlignment theAlignment; CGrafPtr savePort; Boolean portChanged = false; if (butPtr->image != None) { Tk_SizeOfImage(butPtr->image, &width, &height); } else { Tk_SizeOfBitmap(butPtr->display, butPtr->bitmap, &width, &height); } if ((butPtr->width > 0) && (butPtr->width < width)) { width = butPtr->width; } if ((butPtr->height > 0) && (butPtr->height < height)) { height = butPtr->height; } { portChanged = QDSwapPort(destPort, &savePort); mbPtr->picParams.version = -2; mbPtr->picParams.hRes = 0x00480000; mbPtr->picParams.vRes = 0x00480000; mbPtr->picParams.srcRect.top = 0; mbPtr->picParams.srcRect.left = 0; mbPtr->picParams.srcRect.bottom = height; mbPtr->picParams.srcRect.right = width; mbPtr->picParams.reserved1 = 0; mbPtr->picParams.reserved2 = 0; mbPtr->bevelButtonContent.contentType = kControlContentPictHandle; mbPtr->bevelButtonContent.u.picture = OpenCPicture(&mbPtr->picParams); if (!mbPtr->bevelButtonContent.u.picture) { TkMacOSXDbgMsg("OpenCPicture failed"); } tkPictureIsOpen = 1; /* * TO DO - There is one case where XCopyPlane calls CopyDeepMask, * which does not get recorded in the picture. So the bitmap code * will fail in that case. */ } if (butPtr->selectImage != NULL && (butPtr->flags & SELECTED)) { Tk_RedrawImage(butPtr->selectImage, 0, 0, width, height, pixmap, 0, 0); #if 0 } else if (butPtr->tristateImage != NULL && (butPtr->flags & TRISTATED)) { Tk_RedrawImage(butPtr->tristateImage, 0, 0, width, height, pixmap, 0, 0); #endif } else if (butPtr->image != NULL) { Tk_RedrawImage(butPtr->image, 0, 0, width, height, pixmap, 0, 0); } else { XSetClipOrigin(butPtr->display, gc, 0, 0); XCopyPlane(butPtr->display, butPtr->bitmap, pixmap, gc, 0, 0, width, height, 0, 0, 1); } { ClosePicture(); tkPictureIsOpen = 0; if (portChanged) { QDSwapPort(savePort, NULL); } } ChkErr(SetControlData, controlHandle, kControlButtonPart, kControlBevelButtonContentTag, sizeof(ControlButtonContentInfo), (char *) &mbPtr->bevelButtonContent); if (butPtr->anchor == TK_ANCHOR_N) { theAlignment = kControlBevelButtonAlignTop; } else if (butPtr->anchor == TK_ANCHOR_NE) { theAlignment = kControlBevelButtonAlignTopRight; } else if (butPtr->anchor == TK_ANCHOR_E) { theAlignment = kControlBevelButtonAlignRight; } else if (butPtr->anchor == TK_ANCHOR_SE) { theAlignment = kControlBevelButtonAlignBottomRight; } else if (butPtr->anchor == TK_ANCHOR_S) { theAlignment = kControlBevelButtonAlignBottom; } else if (butPtr->anchor == TK_ANCHOR_SW) { theAlignment = kControlBevelButtonAlignBottomLeft; } else if (butPtr->anchor == TK_ANCHOR_W) { theAlignment = kControlBevelButtonAlignLeft; } else if (butPtr->anchor == TK_ANCHOR_NW) { theAlignment = kControlBevelButtonAlignTopLeft; } else if (butPtr->anchor == TK_ANCHOR_CENTER) { theAlignment = kControlBevelButtonAlignCenter; } ChkErr(SetControlData, controlHandle, kControlButtonPart, kControlBevelButtonGraphicAlignTag, sizeof(ControlButtonGraphicAlignment), (char *) &theAlignment); if (butPtr->compound != COMPOUND_NONE) { ControlButtonTextPlacement thePlacement = kControlBevelButtonPlaceNormally; if (butPtr->compound == COMPOUND_TOP) { thePlacement = kControlBevelButtonPlaceBelowGraphic; } else if (butPtr->compound == COMPOUND_BOTTOM) { thePlacement = kControlBevelButtonPlaceAboveGraphic; } else if (butPtr->compound == COMPOUND_LEFT) { thePlacement = kControlBevelButtonPlaceToRightOfGraphic; } else if (butPtr->compound == COMPOUND_RIGHT) { thePlacement = kControlBevelButtonPlaceToLeftOfGraphic; } ChkErr(SetControlData, controlHandle, kControlButtonPart, kControlBevelButtonTextPlaceTag, sizeof(ControlButtonTextPlacement), (char *) &thePlacement); } } /* *-------------------------------------------------------------- * * SetUserPaneDrawProc -- * * Utility function to add a UserPaneDrawProc * to a userPane control. From MoreControls code * from Apple DTS. * * Results: * MacOS system error. * * Side effects: * The user pane gets a new UserPaneDrawProc. * *-------------------------------------------------------------- */ OSStatus SetUserPaneDrawProc( ControlRef control, ControlUserPaneDrawProcPtr upp) { ControlUserPaneDrawUPP myControlUserPaneDrawUPP; myControlUserPaneDrawUPP = NewControlUserPaneDrawUPP(upp); return SetControlData(control, kControlNoPart, kControlUserPaneDrawProcTag, sizeof(myControlUserPaneDrawUPP), (Ptr) &myControlUserPaneDrawUPP); } /* *-------------------------------------------------------------- * * SetUserPaneSetUpSpecialBackgroundProc -- * * Utility function to add a UserPaneBackgroundProc * to a userPane control * * Results: * MacOS system error. * * Side effects: * The user pane gets a new UserPaneBackgroundProc. * *-------------------------------------------------------------- */ OSStatus SetUserPaneSetUpSpecialBackgroundProc( ControlRef control, ControlUserPaneBackgroundProcPtr upp) { ControlUserPaneBackgroundUPP myControlUserPaneBackgroundUPP; myControlUserPaneBackgroundUPP = NewControlUserPaneBackgroundUPP(upp); return SetControlData(control, kControlNoPart, kControlUserPaneBackgroundProcTag, sizeof(myControlUserPaneBackgroundUPP), (Ptr) &myControlUserPaneBackgroundUPP); } /* *-------------------------------------------------------------- * * UserPaneDraw -- * * This function draws the background of the user pane that will * lie under checkboxes and radiobuttons. * * Results: * None. * * Side effects: * The user pane gets updated to the current color. * *-------------------------------------------------------------- */ void UserPaneDraw( ControlRef control, ControlPartCode cpc) { MacButton *mbPtr = (MacButton *)(intptr_t)GetControlReference(control); Rect contrlRect; CGrafPtr port; GetPort(&port); GetControlBounds(control,&contrlRect); TkMacOSXSetColorInPort(mbPtr->userPaneBackground, 0, NULL, port); EraseRect(&contrlRect); } /* *-------------------------------------------------------------- * * UserPaneBackgroundProc -- * * This function sets up the background of the user pane that will * lie under checkboxes and radiobuttons. * * Results: * None. * * Side effects: * The user pane background gets set to the current color. * *-------------------------------------------------------------- */ void UserPaneBackgroundProc( ControlHandle control, ControlBackgroundPtr info) { MacButton * mbPtr = (MacButton *)(intptr_t)GetControlReference(control); if (info->colorDevice) { CGrafPtr port; GetPort(&port); TkMacOSXSetColorInPort(mbPtr->userPaneBackground, 0, NULL, port); } } /* *-------------------------------------------------------------- * * UpdateControlColors -- * * This function will review the colors used to display * a Macintosh button. If any non-standard colors are * used we create a custom palette for the button, populate * with the colors for the button and install the palette. * * Under Appearance, we just set the pointer that will be * used by the UserPaneDrawProc. * * Results: * None. * * Side effects: * The Macintosh control may get a custom palette installed. * *-------------------------------------------------------------- */ static int UpdateControlColors( MacButton *mbPtr) { XColor *xcolor; TkButton *butPtr = (TkButton *) mbPtr; /* * Under Appearance we cannot change the background of the * button itself. However, the color we are setting is the color * of the containing userPane. This will be the color that peeks * around the rounded corners of the button. * We make this the highlightbackground rather than the background, * because if you color the background of a frame containing a * button, you usually also color the highlightbackground as well, * or you will get a thin grey ring around the button. */ if (butPtr->type == TYPE_BUTTON) { xcolor = Tk_3DBorderColor(butPtr->highlightBorder); } else { xcolor = Tk_3DBorderColor(butPtr->normalBorder); } mbPtr->userPaneBackground = xcolor->pixel; return false; } /* *-------------------------------------------------------------- * * ButtonEventProc -- * * This procedure is invoked by the Tk dispatcher for various * events on buttons. * * Results: * None. * * Side effects: * When it gets exposed, it is redisplayed. * *-------------------------------------------------------------- */ static void ButtonEventProc( ClientData clientData, /* Information about window. */ XEvent *eventPtr) /* Information about event. */ { TkButton *buttonPtr = (TkButton *) clientData; MacButton *mbPtr = (MacButton *) clientData; if (eventPtr->type == ActivateNotify || eventPtr->type == DeactivateNotify) { if ((buttonPtr->tkwin == NULL) || (!Tk_IsMapped(buttonPtr->tkwin))) { return; } if (eventPtr->type == ActivateNotify) { mbPtr->flags |= ACTIVE; } else { mbPtr->flags &= ~ACTIVE; } if ((buttonPtr->flags & REDRAW_PENDING) == 0) { Tcl_DoWhenIdle(TkpDisplayButton, (ClientData) buttonPtr); buttonPtr->flags |= REDRAW_PENDING; } } } /* *---------------------------------------------------------------------- * * TkMacOSXComputeControlParams -- * * This procedure computes the various parameters used * when creating a Carbon control (NewControl). * These are determined by the various tk button parameters * * Results: * None. * * Side effects: * Sets the control initialisation parameters * *---------------------------------------------------------------------- */ static void TkMacOSXComputeControlParams( TkButton *butPtr, MacControlParams *paramsPtr) { paramsPtr->isBevel = 0; /* * Determine ProcID based on button type and dimensions. */ switch (butPtr->type) { case TYPE_BUTTON: if ((butPtr->image == None) && (butPtr->bitmap == None)) { paramsPtr->initialValue = 1; paramsPtr->minValue = 0; paramsPtr->maxValue = 1; paramsPtr->procID = kControlPushButtonProc; } else { paramsPtr->initialValue = 0; paramsPtr->minValue = kControlBehaviorOffsetContents | kControlContentPictHandle; paramsPtr->maxValue = 1; if (butPtr->borderWidth <= 2) { paramsPtr->procID = kControlBevelButtonSmallBevelProc; } else if (butPtr->borderWidth == 3) { paramsPtr->procID = kControlBevelButtonNormalBevelProc; } else { paramsPtr->procID = kControlBevelButtonLargeBevelProc; } paramsPtr->isBevel = 1; } break; case TYPE_RADIO_BUTTON: if (((butPtr->image == None) && (butPtr->bitmap == None)) || (butPtr->indicatorOn)) { paramsPtr->initialValue = 1; paramsPtr->minValue = 0; paramsPtr->maxValue = MAX_VALUE; paramsPtr->procID = kControlRadioButtonProc; } else { paramsPtr->initialValue = 0; paramsPtr->minValue = kControlBehaviorOffsetContents | kControlBehaviorSticky | kControlContentPictHandle; paramsPtr->maxValue = MAX_VALUE; if (butPtr->borderWidth <= 2) { paramsPtr->procID = kControlBevelButtonSmallBevelProc; } else if (butPtr->borderWidth == 3) { paramsPtr->procID = kControlBevelButtonNormalBevelProc; } else { paramsPtr->procID = kControlBevelButtonLargeBevelProc; } paramsPtr->isBevel = 1; } break; case TYPE_CHECK_BUTTON: if (((butPtr->image == None) && (butPtr->bitmap == None)) || (butPtr->indicatorOn)) { paramsPtr->initialValue = 1; paramsPtr->minValue = 0; paramsPtr->maxValue = MAX_VALUE; paramsPtr->procID = kControlCheckBoxProc; } else { paramsPtr->initialValue = 0; paramsPtr->minValue = kControlBehaviorOffsetContents | kControlBehaviorSticky | kControlContentPictHandle; paramsPtr->maxValue = MAX_VALUE; if (butPtr->borderWidth <= 2) { paramsPtr->procID = kControlBevelButtonSmallBevelProc; } else if (butPtr->borderWidth == 3) { paramsPtr->procID = kControlBevelButtonNormalBevelProc; } else { paramsPtr->procID = kControlBevelButtonLargeBevelProc; } paramsPtr->isBevel = 1; } break; } } /* *---------------------------------------------------------------------- * * TkMacOSXComputeDrawParams -- * * This procedure computes the various parameters used * when drawing a button * These are determined by the various tk button parameters * * Results: * 1 if control will be used, 0 otherwise. * * Side effects: * Sets the button draw parameters * *---------------------------------------------------------------------- */ static int TkMacOSXComputeDrawParams( TkButton *butPtr, DrawParams *dpPtr) { dpPtr->hasImageOrBitmap = ((butPtr->image != NULL) || (butPtr->bitmap != None)); dpPtr->offset = (butPtr->type == TYPE_BUTTON) && dpPtr->hasImageOrBitmap; dpPtr->border = butPtr->normalBorder; if ((butPtr->state == STATE_DISABLED) && (butPtr->disabledFg != NULL)) { dpPtr->gc = butPtr->disabledGC; } else if (butPtr->type == TYPE_BUTTON && butPtr->state == STATE_ACTIVE) { dpPtr->gc = butPtr->activeTextGC; dpPtr->border = butPtr->activeBorder; } else { dpPtr->gc = butPtr->normalTextGC; } if ((butPtr->flags & SELECTED) && (butPtr->state != STATE_ACTIVE) && (butPtr->selectBorder != NULL) && !butPtr->indicatorOn) { dpPtr->border = butPtr->selectBorder; } /* * Override the relief specified for the button if this is a * checkbutton or radiobutton and there's no indicator. * However, don't do this in the presence of Appearance, since * then the bevel button will take care of the relief. */ dpPtr->relief = butPtr->relief; if ((butPtr->type >= TYPE_CHECK_BUTTON) && !butPtr->indicatorOn) { if (!dpPtr->hasImageOrBitmap) { dpPtr->relief = (butPtr->flags & SELECTED) ? TK_RELIEF_SUNKEN : TK_RELIEF_RAISED; } } /* * Determine the draw type */ if (butPtr->type == TYPE_LABEL) { dpPtr->drawType = DRAW_LABEL; } else if (butPtr->type == TYPE_BUTTON) { if (!dpPtr->hasImageOrBitmap) { dpPtr->drawType = DRAW_CONTROL; } else if (butPtr->image != None) { dpPtr->drawType = DRAW_BEVEL; } else { /* * TO DO - The current way the we draw bitmaps (XCopyPlane) * uses CopyDeepMask in this one case. The Picture recording * does not record this call, and so we can't use the * Appearance bevel button here. The only case that would * exercise this is if you use a bitmap, with * -data & -mask specified. We should probably draw the * appearance button and overprint the image in this case. * This just punts and draws the old-style, ugly, button. */ if (dpPtr->gc->clip_mask == 0) { dpPtr->drawType = DRAW_BEVEL; } else { TkpClipMask *clipPtr = (TkpClipMask *) dpPtr->gc->clip_mask; if ((clipPtr->type == TKP_CLIP_PIXMAP) && (clipPtr->value.pixmap != butPtr->bitmap)) { dpPtr->drawType = DRAW_CUSTOM; } else { dpPtr->drawType = DRAW_BEVEL; } } } } else if (butPtr->indicatorOn) { dpPtr->drawType = DRAW_CONTROL; } else if (dpPtr->hasImageOrBitmap) { if (dpPtr->gc->clip_mask == 0) { dpPtr->drawType = DRAW_BEVEL; } else { TkpClipMask *clipPtr = (TkpClipMask*) dpPtr->gc->clip_mask; if ((clipPtr->type == TKP_CLIP_PIXMAP) && (clipPtr->value.pixmap != butPtr->bitmap)) { dpPtr->drawType = DRAW_CUSTOM; } else { dpPtr->drawType = DRAW_BEVEL; } } } else { dpPtr->drawType = DRAW_CUSTOM; } if ((dpPtr->drawType == DRAW_CONTROL) || (dpPtr->drawType == DRAW_BEVEL)) { return 1; } else { return 0; } }