src/apps/debugger/user_interface/gui/utility_windows/ExpressionPromptWindow.cpp

   1 /*
   2  * Copyright 2014-2016, Rene Gollent, rene@gollent.com.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #include "ExpressionPromptWindow.h"
   6
   7 #include <Button.h>
   8 #include <LayoutBuilder.h>
   9 #include <String.h>
  10 #include <TextControl.h>
  11
  12 #include "AppMessageCodes.h"
  13
  14
  15 ExpressionPromptWindow::ExpressionPromptWindow(BHandler* addTarget,
  16         BHandler* closeTarget)
  17         :
  18         BWindow(BRect(), "Add Expression", B_FLOATING_WINDOW,
  19                 B_AUTO_UPDATE_SIZE_LIMITS | B_CLOSE_ON_ESCAPE),
  20         fExpressionInput(NULL),
  21         fCancelButton(NULL),
  22         fAddButton(NULL),
  23         fAddTarget(addTarget),
  24         fCloseTarget(closeTarget)
  25 {
  26 }
  27
  28
  29 ExpressionPromptWindow::~ExpressionPromptWindow()
  30 {
  31 }
  32
  33
  34 ExpressionPromptWindow*
  35 ExpressionPromptWindow::Create(BHandler* addTarget, BHandler* closeTarget)
  36 {
  37         ExpressionPromptWindow* self = new ExpressionPromptWindow(addTarget,
  38                 closeTarget);
  39
  40         try {
  41                 self->_Init();
  42         } catch (...) {
  43                 delete self;
  44                 throw;
  45         }
  46
  47         return self;
  48
  49 }
  50
  51
  52 void
  53 ExpressionPromptWindow::_Init()
  54 {
  55         fExpressionInput = new BTextControl("Expression:", NULL, NULL);
  56         BLayoutItem* labelItem = fExpressionInput->CreateLabelLayoutItem();
  57         BLayoutItem* inputItem = fExpressionInput->CreateTextViewLayoutItem();
  58         inputItem->SetExplicitMinSize(BSize(200.0, B_SIZE_UNSET));
  59         inputItem->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));
  60         labelItem->View()->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
  61
  62         BLayoutBuilder::Group<>(this, B_VERTICAL)
  63                 .SetInsets(B_USE_DEFAULT_SPACING)
  64                 .AddGroup(B_HORIZONTAL, 4.0f)
  65                         .Add(labelItem)
  66                         .Add(inputItem)
  67                 .End()
  68                 .AddGroup(B_HORIZONTAL, 4.0f)
  69                         .AddGlue()
  70                         .Add((fCancelButton = new BButton("Cancel",
  71                                         new BMessage(B_QUIT_REQUESTED))))
  72                         .Add((fAddButton = new BButton("Add",
  73                                         new BMessage(MSG_ADD_NEW_EXPRESSION))))
  74                 .End();
  75
  76         fExpressionInput->SetTarget(this);
  77         fCancelButton->SetTarget(this);
  78         fAddButton->SetTarget(this);
  79         fAddButton->MakeDefault(true);
  80         fExpressionInput->TextView()->MakeFocus(true);
  81 }
  82
  83
  84 void
  85 ExpressionPromptWindow::Show()
  86 {
  87         CenterOnScreen();
  88         BWindow::Show();
  89 }
  90
  91
  92 bool
  93 ExpressionPromptWindow::QuitRequested()
  94 {
  95         BMessenger messenger(fCloseTarget);
  96         messenger.SendMessage(MSG_EXPRESSION_PROMPT_WINDOW_CLOSED);
  97
  98         return BWindow::QuitRequested();
  99 }
 100
 101
 102 void
 103 ExpressionPromptWindow::MessageReceived(BMessage* message)
 104 {
 105         switch (message->what) {
 106                 case MSG_ADD_NEW_EXPRESSION:
 107                 {
 108                         BMessage addMessage(MSG_ADD_NEW_EXPRESSION);
 109                         addMessage.AddString("expression", fExpressionInput->Text());
 110                         addMessage.AddBool("persistent", true);
 111
 112                         BMessenger(fAddTarget).SendMessage(&addMessage);
 113                         Quit();
 114                         break;
 115                 }
 116
 117                 default:
 118                         BWindow::MessageReceived(message);
 119                         break;
 120         }
 121
 122 }