src/apps/resedit/InlineEditor.cpp

   1 /*
   2  * Copyright (c) 2005-2010, Haiku, Inc.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Author:
   6  *              DarkWyrm <darkwyrm@gmail.com>
   7  */
   8 #include "InlineEditor.h"
   9
  10 #include <Handler.h>
  11 #include <MessageFilter.h>
  12
  13 class EditFilter : public BMessageFilter
  14 {
  15 public:
  16         EditFilter(BTextControl *textbox)
  17                 : BMessageFilter(B_PROGRAMMED_DELIVERY, B_ANY_SOURCE, B_KEY_DOWN)
  18         {
  19                 fTextBox = textbox;
  20         }
  21
  22         ~EditFilter(void)
  23         {
  24         }
  25
  26         filter_result Filter(BMessage *msg, BHandler **target)
  27         {
  28                 int32 rawchar;
  29                 msg->FindInt32("raw_char", &rawchar);
  30
  31                 if (rawchar == B_ESCAPE) {
  32                         BLooper *loop = (*target)->Looper();
  33                         if (loop) {
  34                                 BMessenger msgr(loop);
  35                                 msgr.SendMessage(B_QUIT_REQUESTED);
  36                                 return B_SKIP_MESSAGE;
  37                         }
  38                 } else if (rawchar == B_ENTER) {
  39                         fTextBox->Invoke();
  40                         return B_SKIP_MESSAGE;
  41                 }
  42                 return B_DISPATCH_MESSAGE;
  43         }
  44
  45 private:
  46         BTextControl    *fTextBox;
  47
  48 };
  49
  50 InlineEditor::InlineEditor(BMessenger target, const BRect &frame,
  51                                                         const char *text)
  52  :      BWindow(frame, "InlineEditor", B_NO_BORDER_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,
  53                         B_ASYNCHRONOUS_CONTROLS),
  54         fMessenger(target),
  55         fCommand(M_INLINE_TEXT)
  56 {
  57         fTextBox = new BTextControl(BRect(0, 0, 1, 1), "inlinebox", NULL, text,
  58                                                                 new BMessage(fCommand), B_FOLLOW_ALL, B_WILL_DRAW);
  59         AddChild(fTextBox);
  60         fTextBox->SetDivider(0);
  61         fTextBox->MakeFocus(true);
  62
  63         fTextBox->ResizeToPreferred();
  64         fTextBox->ResizeTo(Bounds().Width(), fTextBox->Bounds().Height());
  65         ResizeTo(Bounds().Width(), fTextBox->Bounds().Height());
  66
  67         AddCommonFilter(new EditFilter(fTextBox));
  68 }
  69
  70
  71 bool
  72 InlineEditor::QuitRequested(void)
  73 {
  74         return true;
  75 }
  76
  77
  78 void
  79 InlineEditor::SetMessage(BMessage *msg)
  80 {
  81         fCommand = msg ? msg->what : 0;
  82         fTextBox->SetMessage(msg);
  83 }
  84
  85
  86 void
  87 InlineEditor::MessageReceived(BMessage *msg)
  88 {
  89         if (msg->what == fCommand) {
  90                 fMessenger.SendMessage(msg);
  91                 PostMessage(B_QUIT_REQUESTED);
  92         }
  93 }
  94
  95 void
  96 InlineEditor::WindowActivated(bool active)
  97 {
  98         if (!active)
  99                 PostMessage(B_QUIT_REQUESTED);
 100 }
 101