src/apps/mail/FindWindow.cpp

   1 /*
   2 Open Tracker License
   3
   4 Terms and Conditions
   5
   6 Copyright (c) 1991-2001, Be Incorporated. All rights reserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining a copy of
   9 this software and associated documentation files (the "Software"), to deal in
  10 the Software without restriction, including without limitation the rights to
  11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  12 of the Software, and to permit persons to whom the Software is furnished to do
  13 so, subject to the following conditions:
  14
  15 The above copyright notice and this permission notice applies to all licensees
  16 and shall be included in all copies or substantial portions of the Software.
  17
  18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
  20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN
  23 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24
  25 Except as contained in this notice, the name of Be Incorporated shall not be
  26 used in advertising or otherwise to promote the sale, use or other dealings in
  27 this Software without prior written authorization from Be Incorporated.
  28
  29 BeMail(TM), Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or
  30 registered trademarks of Be Incorporated in the United States and other
  31 countries. Other brand product names are registered trademarks or trademarks
  32 of their respective holders. All rights reserved.
  33 */
  34
  35 // ===========================================================================
  36 //      FindWindow.cpp
  37 //      Copyright 1996 by Peter Barrett, All rights reserved.
  38 // ===========================================================================
  39
  40 #include "FindWindow.h"
  41 #include "MailApp.h"
  42 #include "MailWindow.h"
  43 #include "Messages.h"
  44
  45 #include <Application.h>
  46 #include <Box.h>
  47 #include <Button.h>
  48 #include <Catalog.h>
  49 #include <Locale.h>
  50 #include <String.h>
  51 #include <TextView.h>
  52
  53
  54 #define B_TRANSLATION_CONTEXT "Mail"
  55
  56
  57 enum {
  58         M_FIND_STRING_CHANGED = 'fsch'
  59 };
  60
  61
  62 #define FINDBUTTON 'find'
  63
  64 static BString sPreviousFind = "";
  65
  66 FindWindow* FindWindow::fFindWindow = NULL;
  67 BRect FindWindow::fLastPosition(BRect(100, 300, 300, 374));
  68
  69 void FindWindow::DoFind(BWindow* window, const char* text)
  70 {
  71         if (window == NULL) {
  72                 long i = 0;
  73                 while ((window = be_app->WindowAt(i++)) != NULL) {
  74                         // Send the text to a waiting window
  75                         if (window != fFindWindow)
  76                                 if (dynamic_cast<TMailWindow*>(window) != NULL)
  77                                         break;  // Found a window
  78                 }
  79         }
  80
  81         /* ask that window who is in the front */
  82         window = dynamic_cast<TMailWindow*>(window)->FrontmostWindow();
  83         if (window == NULL)
  84                 return;
  85
  86 //      Found a window, send a find message
  87
  88         if (!window->Lock())
  89                 return;
  90         BView* focus = window->FindView("m_content");
  91         window->Unlock();
  92
  93         if (focus)
  94         {
  95                 BMessage msg(M_FIND);
  96                 msg.AddString("findthis",text);
  97                 window->PostMessage(&msg, focus);
  98         }
  99 }
 100
 101
 102 FindPanel::FindPanel(BRect rect)
 103         :
 104         BBox(rect, "FindPanel", B_FOLLOW_LEFT_RIGHT, B_WILL_DRAW)
 105 {
 106         BRect r = Bounds().InsetByCopy(10, 10);
 107
 108         fTextControl = new BTextControl(r, "BTextControl", NULL,
 109                 sPreviousFind.String(), new BMessage(M_FIND_STRING_CHANGED),
 110                 B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP);
 111
 112         fTextControl->SetModificationMessage(new BMessage(M_FIND_STRING_CHANGED));
 113         fTextControl->SetText(sPreviousFind.String());
 114         fTextControl->MakeFocus();
 115         AddChild(fTextControl);
 116
 117         fFindButton = new BButton(BRect(0, 0, 90, 20),"FINDBUTTON",
 118                 B_TRANSLATE("Find"),
 119                 new BMessage(FINDBUTTON),B_FOLLOW_LEFT | B_FOLLOW_BOTTOM);
 120         fFindButton->ResizeToPreferred();
 121         AddChild(fFindButton);
 122         r = fFindButton->Bounds();
 123
 124         fFindButton->MoveTo(Bounds().right - r.Width() - 8,
 125                 Bounds().bottom - r.Height() - 8);
 126         fFindButton->SetEnabled(sPreviousFind.Length());
 127 }
 128
 129
 130 FindPanel::~FindPanel()
 131 {
 132         sPreviousFind = fTextControl->Text();
 133 }
 134
 135
 136 void FindPanel::AttachedToWindow()
 137 {
 138         BView::AttachedToWindow();
 139         SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
 140         Window()->SetDefaultButton(fFindButton);
 141         fFindButton->SetTarget(this);
 142
 143         fTextControl->SetTarget(this);
 144         fTextControl->ResizeToPreferred();
 145         fTextControl->ResizeTo(Bounds().Width() - 20,
 146                 fTextControl->Frame().Height());
 147
 148         fTextControl->MakeFocus(true);
 149         fTextControl->TextView()->SelectAll();
 150 }
 151
 152
 153 void FindPanel::MouseDown(BPoint point)
 154 {
 155         Window()->Activate();
 156         BView::MouseDown(point);
 157 }
 158
 159
 160 void FindPanel::Draw(BRect)
 161 {
 162 //      TextBevel(*this, mBTextView->Frame());
 163 }
 164
 165
 166 void FindPanel::KeyDown(const char*, int32)
 167 {
 168         int32 length = fTextControl->TextView()->TextLength();
 169         bool enabled = fFindButton->IsEnabled();
 170
 171         if (length > 0 && !enabled)
 172                 fFindButton->SetEnabled(true);
 173         else if (length == 0 && enabled)
 174                 fFindButton->SetEnabled(false);
 175 }
 176
 177
 178 void FindPanel::MessageReceived(BMessage* msg)
 179 {
 180         switch (msg->what) {
 181                 case M_FIND_STRING_CHANGED: {
 182                         if (strlen(fTextControl->Text()) == 0)
 183                                 fFindButton->SetEnabled(false);
 184                         else
 185                                 fFindButton->SetEnabled(true);
 186                         break;
 187                 }
 188                 case FINDBUTTON: {
 189                         Find();
 190                         Window()->PostMessage(B_QUIT_REQUESTED);
 191                         break;
 192                 }
 193                 default:
 194                         BView::MessageReceived(msg);
 195         }
 196 }
 197
 198
 199 void FindPanel::Find()
 200 {
 201         fTextControl->TextView()->SelectAll();
 202         const char* text = fTextControl->Text();
 203         if (text == NULL || text[0] == 0) return;
 204
 205         BWindow* window = NULL;
 206         long i = 0;
 207         while ((bool)(window = be_app->WindowAt(i++))) {
 208                 // Send the text to a waiting window
 209                 if (window != FindWindow::fFindWindow)
 210                         break;  // Found a window
 211         }
 212
 213         if (window)
 214                 FindWindow::DoFind(window, text);
 215 }
 216
 217
 218 FindWindow::FindWindow()
 219         : BWindow(FindWindow::fLastPosition, B_TRANSLATE("Find"),
 220                 B_FLOATING_WINDOW, B_NOT_RESIZABLE | B_NOT_ZOOMABLE
 221                         | B_WILL_ACCEPT_FIRST_CLICK | B_CLOSE_ON_ESCAPE)
 222 {
 223         fFindPanel = new FindPanel(Bounds());
 224         AddChild(fFindPanel);
 225         fFindWindow = this;
 226         Show();
 227 }
 228
 229
 230 FindWindow::~FindWindow()
 231 {
 232         FindWindow::fLastPosition = Frame();
 233         fFindWindow = NULL;
 234 }
 235
 236
 237 void FindWindow::Find(BWindow* window)
 238 {
 239         // eliminate unused parameter warning
 240         (void)window;
 241
 242         if (fFindWindow == NULL) {
 243                 fFindWindow = new FindWindow();
 244         } else
 245                 fFindWindow->Activate();
 246 }
 247
 248
 249 void FindWindow::FindAgain(BWindow* window)
 250 {
 251         if (fFindWindow) {
 252                 fFindWindow->Lock();
 253                 fFindWindow->fFindPanel->Find();
 254                 fFindWindow->Unlock();
 255         } else if (sPreviousFind.Length() != 0)
 256                 DoFind(window, sPreviousFind.String());
 257         else
 258                 Find(window);
 259 }
 260
 261
 262 void FindWindow::SetFindString(const char* string)
 263 {
 264         sPreviousFind = string;
 265 }
 266
 267
 268 const char* FindWindow::GetFindString()
 269 {
 270         return sPreviousFind.String();
 271 }
 272