зеркало из https://github.com/mozilla/gecko-dev.git
372 строки
8.4 KiB
C++
372 строки
8.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "prtypes.h"
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#include "LCustomizeMenu.h"
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//
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// Constructor
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//
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LCustomizeMenu::LCustomizeMenu()
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: LPatchedMenu()
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{
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fItemHeight = 16; // fix constant, changable
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fItemCount = 0;
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fTextMargin = 14; // fix constant, changable
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fMarkMargin = 2; // fix constant, changable
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}
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//
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// Size
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//
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void LCustomizeMenu::Size(MenuHandle menu, MenuDefUPP* /* root */, Rect * /* rect */, Point /* hitPt */, short * /* item */)
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{
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fItemCount = ::CountMItems(menu);
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int maxWidth = fTextMargin + 4;
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fItemCount = ::CountMItems(menu);
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for(int i = 1; i <= fItemCount; i++)
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{
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short itemWidth = MeasureItem(menu, i);
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if(itemWidth > maxWidth)
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maxWidth = itemWidth;
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}
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(**menu).menuHeight = fItemHeight * fItemCount;
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(**menu).menuWidth = maxWidth;
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}
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//
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// PopUp
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//
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void LCustomizeMenu::PopUp(MenuHandle menu, MenuDefUPP* /* root */, Rect *rect , Point hitPt, short * item )
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{
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rect->left = hitPt.v;
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rect->top = hitPt.h - fItemHeight * (*item - 1);
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rect->right = rect->left + (**menu).menuWidth ;
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rect->bottom = rect->top + (**menu).menuHeight ;
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}
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//
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// MeasureItem
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//
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short LCustomizeMenu::MeasureItem(MenuHandle menu, int item)
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{
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Boolean AddSlop = FALSE;
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short itemWidth = fTextMargin + 4;
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Str255 itemtext;
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::GetMenuItemText(menu, item, itemtext);
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if(itemtext[1] != '-')
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{
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short iconindex;
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short cmd;
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short mark;
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// Get the needed Item data
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::GetItemCmd(menu, item, &cmd);
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::GetItemIcon(menu, item, &iconindex);
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::GetItemMark(menu, item, &mark);
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itemWidth += MeasureItemText(itemtext);
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if(HaveCommand(cmd)) // add command width
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{
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itemWidth += MeasureItemCommand(cmd);
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AddSlop = TRUE;
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}
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if(HaveSubmenu(cmd)) // add SubmenuIndicator width
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{
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itemWidth += MeasureItemSubmenuIndicator();
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AddSlop = TRUE;
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}
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if(AddSlop)
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itemWidth += MeasureItemSlop();
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}
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return itemWidth;
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}
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//
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// MeasureItemText
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//
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short LCustomizeMenu::MeasureItemText(Str255 text)
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{
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return ::StringWidth(text);
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}
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//
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// MeasureItemCommand
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//
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short LCustomizeMenu::MeasureItemCommand(short command)
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{
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::TextFont(systemFont);
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return ::CharWidth(17) + ::CharWidth(command);
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}
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//
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// Draw
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//
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void LCustomizeMenu::Draw(MenuHandle menu, MenuDefUPP* /* root */, Rect *rect, Point /* hitPt */, short * /* item */)
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{
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Assert_(fItemCount != 0);
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Assert_(fItemHeight != 0);
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for(int i = 1; i <= fItemCount; i++)
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{
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Rect itemrect;
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GetItemRect(i, rect, itemrect);
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DrawItem(menu, i, itemrect);
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}
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}
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//
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// DrawItemSeparator
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//
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void LCustomizeMenu::DrawItemSeperator(Rect& itemrect )
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{
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::PenPat(&qd.gray);
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::MoveTo(itemrect.left, itemrect.top + 8);
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::LineTo(itemrect.right, itemrect.top + 8);
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::PenNormal();
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}
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//
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// DrawItemIcon
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// <09><><EFBFBD>Unsupport Yet
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//
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void LCustomizeMenu::DrawItemIcon(Rect& /* itemrect */, short /* iconindex */)
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{
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Assert_(FALSE);
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// We current do not support Icon
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}
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//
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// DrawItemCommand
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//
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void LCustomizeMenu::DrawItemCommand(Rect& /* itemrect */, short cmd)
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{
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::DrawChar(17);
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::DrawChar(cmd);
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}
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//
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// DrawItemSubmenuIndicator
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// <09><><EFBFBD>Unsupport Yet
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//
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void LCustomizeMenu::DrawItemSubmenuIndicator(Rect& /* itemrect */)
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{
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Assert_(FALSE);
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// We current do not support SubmenuIndicator
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}
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//
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// InvertItem
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//
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void LCustomizeMenu::InvertItem(MenuHandle menu, int item, Rect* menurect, Boolean leaveblack)
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{
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RgnHandle rgn;
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rgn = ::NewRgn();
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::GetClip(rgn);
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Rect itemrect;
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GetItemRect(item, menurect, itemrect);
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::EraseRect(&itemrect);
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::ClipRect(&itemrect);
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DrawItem( menu, item, itemrect);
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::SetClip(rgn);
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::DisposeRgn(rgn);
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if(leaveblack)
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::InvertRect(&itemrect);
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}
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//
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// DrawItemDisable
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//
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void LCustomizeMenu::DrawItemDisable(Rect& itemrect)
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{
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::PenPat(&qd.gray);
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::PenMode(patBic);
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itemrect.right++;
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itemrect.left++;
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::PaintRect(&itemrect);
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::PenNormal();
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}
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//
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// GetItemRect
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//
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void LCustomizeMenu::GetItemRect(int i, Rect* menurect, Rect& itemrect)
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{
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if(i > 0)
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{
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SetRect(&itemrect, menurect->left, menurect->top + ((i-1) * fItemHeight) , menurect->right, 0 );
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itemrect.bottom = itemrect.top + fItemHeight;
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}
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else
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SetRect(&itemrect, 0, 0 , 0, 0);
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}
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//
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// MoveToItemTextPosition
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//
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void LCustomizeMenu::MoveToItemTextPosition(Rect& itemrect)
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{
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FontInfo finfo;
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::GetFontInfo(&finfo);
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::MoveTo(itemrect.left + fTextMargin, itemrect.bottom - finfo.descent);
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}
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//
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// MoveToItemCommandPosition
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//
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void LCustomizeMenu::MoveToItemCommandPosition(Rect& itemrect)
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{
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FontInfo finfo;
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::GetFontInfo(&finfo);
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::MoveTo(itemrect.left -24, itemrect.bottom - finfo.descent);
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}
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//
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// MoveToItemMarkPosition
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//
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void LCustomizeMenu::MoveToItemMarkPosition(Rect& itemrect)
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{
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FontInfo finfo;
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::GetFontInfo(&finfo);
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::MoveTo(itemrect.left + fMarkMargin, itemrect.bottom - finfo.descent);
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}
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//
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// DrawItemText
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//
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void LCustomizeMenu::DrawItemText(Rect& /* itemrect */, Str255 itemtext )
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{
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::DrawString(itemtext);
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}
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//
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// DrawItemMark
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//
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void LCustomizeMenu::DrawItemMark(Rect& /* itemrect */, short mark )
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{
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::DrawChar(mark);
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}
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//
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// DrawItem
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//
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void LCustomizeMenu::DrawItem(MenuHandle menu, int item, Rect& itemrect )
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{
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if((item <=0) || (item > fItemCount))
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return;
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Str255 itemtext;
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::GetMenuItemText(menu, item, itemtext);
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if(itemtext[1] == '-')
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{
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// Draw Seperator
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DrawItemSeperator(itemrect );
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}
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else
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{
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Style style;
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short iconindex;
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short cmd;
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short mark;
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// Get the needed Item data
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::GetItemStyle(menu, item, &style);
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::GetItemCmd(menu, item, &cmd);
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::GetItemIcon(menu, item, &iconindex);
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::GetItemMark(menu, item, &mark);
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// Deal with Item Text First
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::TextFace(style);
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MoveToItemTextPosition(itemrect);
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DrawItemText(itemrect, itemtext );
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::TextFace(normal);
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// Draw Mark if necessary
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if(HaveMark(cmd, mark))
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{
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::TextFont(systemFont);
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MoveToItemMarkPosition(itemrect);
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DrawItemMark(itemrect, mark);
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}
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// Draw Icon if necessary
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if(HaveIcon(cmd, iconindex))
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{
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DrawItemIcon(itemrect, iconindex);
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}
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// Draw Command if necessary
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if(HaveCommand(cmd))
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{
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::TextFont(systemFont);
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MoveToItemCommandPosition(itemrect);
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DrawItemCommand(itemrect, cmd);
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}
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// Draw SubmenuIndicator if necessary
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if(HaveSubmenu(cmd))
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{
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DrawItemSubmenuIndicator(itemrect);
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}
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// Grayout if necessary
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if( ! ItemEnable(menu, item) )
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DrawItemDisable(itemrect);
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}
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}
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//
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// Choose
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//
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void LCustomizeMenu::Choose(MenuHandle menu, MenuDefUPP* /* root */, Rect *rect, Point hitPt, short *item)
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{
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int olditem = *item;
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*item = 0;
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if( ::PtInRect(hitPt, rect))
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{
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int y = ((hitPt.v - rect->top) / fItemHeight) + 1;
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Rect tmprect;
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GetItemRect(y, rect, tmprect);
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*item = y;
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if(*item != olditem)
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{
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if(ItemEnable(menu, *item))
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{
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InvertItem(menu, *item, rect, TRUE);
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InvertItem(menu, olditem, rect, FALSE);
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}
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else
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{
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InvertItem(menu, olditem, rect, FALSE);
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*item = 0;
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}
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}
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}
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else
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{
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InvertItem(menu, olditem, rect, FALSE);
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}
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}
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