Refactoring FLabel::draw and FFileDialog::readDir
This commit is contained in:
Markus Gans
parent
7eb6bfa587
commit
10275c0953
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@ -1,3 +1,7 @@
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2017-01-30 Markus Gans <guru.mail@muenster.de>
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* Refactoring FLabel::draw
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* Refactoring FFileDialog::readDir
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2017-01-28 Markus Gans <guru.mail@muenster.de>
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* Refactoring FApplication::processKeyboardEvent
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* Shorter methods and a fix for recreating new windows
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140
examples/ui.cpp
140
examples/ui.cpp
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@ -277,6 +277,10 @@ class MyDialog : public FDialog
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void initStatusBar();
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void initStatusBarCallbacks();
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void initWidgets();
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void initFlatButtons();
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void initToggleButtons();
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void initButtons();
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void initLabels();
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void initWidgetsCallbacks();
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void adjustSize();
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@ -531,7 +535,7 @@ void MyDialog::initStatusBar()
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//----------------------------------------------------------------------
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void MyDialog::initStatusBarCallbacks()
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{
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// Add some function callbacks
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// Add statusbar function callbacks
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key_F1->addCallback
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(
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@ -555,7 +559,40 @@ void MyDialog::initStatusBarCallbacks()
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//----------------------------------------------------------------------
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void MyDialog::initWidgets()
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{
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// Flat buttons
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initFlatButtons();
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// Radio buttons and check boxes
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initToggleButtons();
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// A text input field
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myLineEdit = new FLineEdit (this);
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myLineEdit->setGeometry(22, 1, 10, 1);
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myLineEdit->setLabelText (L"&Input");
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myLineEdit->setStatusbarMessage ("Press Enter to set the title");
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*myLineEdit << FString("EnTry").toLower();
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// Buttons
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initButtons();
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// A multiple selection listbox
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myList = new FListBox (this);
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myList->setGeometry(38, 1, 14, 17);
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myList->setText ("Items");
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myList->setStatusbarMessage ("99 items in a list");
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myList->setMultiSelection();
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for (int z = 1; z < 100; z++)
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myList->insert (FString() << z << L" placeholder");
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// Text labels
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initLabels();
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}
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//----------------------------------------------------------------------
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void MyDialog::initFlatButtons()
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{
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// Flat buttons
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MyButton1 = new FButton (this);
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MyButton1->setGeometry(3, 3, 5, 1);
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MyButton1->setText (L"&SIN");
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@ -579,6 +616,29 @@ void MyDialog::initWidgets()
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MyButton3->setNoUnderline();
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MyButton3->setFlat();
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// Add button callback functions
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MyButton1->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_noFunctionMsg)
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);
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MyButton2->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_noFunctionMsg)
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);
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MyButton3->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_noFunctionMsg)
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);
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}
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//----------------------------------------------------------------------
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void MyDialog::initToggleButtons()
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{
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// Radio buttons in a group
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FButtonGroup* radioButtonGroup = new FButtonGroup ("Button", this);
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radioButtonGroup->setGeometry(3, 8, 14, 4);
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@ -607,14 +667,11 @@ void MyDialog::initWidgets()
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check2->setGeometry(1, 2, 9, 1);
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check2->setChecked();
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check2->setNoUnderline();
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}
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// A text input field
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myLineEdit = new FLineEdit (this);
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myLineEdit->setGeometry(22, 1, 10, 1);
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myLineEdit->setLabelText (L"&Input");
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myLineEdit->setStatusbarMessage ("Press Enter to set the title");
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*myLineEdit << FString("EnTry").toLower();
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//----------------------------------------------------------------------
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void MyDialog::initButtons()
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{
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// Buttons
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MyButton4 = new FButton (this);
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MyButton4->setGeometry(20, 8, 12, 1);
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@ -634,16 +691,30 @@ void MyDialog::initWidgets()
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MyButton6->setStatusbarMessage ("Exit the program");
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MyButton6->addAccelerator('x');
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// A multiple selection listbox
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myList = new FListBox (this);
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myList->setGeometry(38, 1, 14, 17);
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myList->setText ("Items");
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myList->setStatusbarMessage ("99 items in a list");
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myList->setMultiSelection();
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// Add button callback functions
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MyButton4->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_input2buttonText),
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static_cast<FWidget::data_ptr>(myLineEdit)
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);
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for (int z = 1; z < 100; z++)
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myList->insert (FString() << z << L" placeholder");
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MyButton5->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_ProgressBar)
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);
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MyButton6->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &FApplication::cb_exitApp)
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);
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}
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//----------------------------------------------------------------------
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void MyDialog::initLabels()
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{
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// Text labels
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FLabel* headline = new FLabel (this);
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headline->setGeometry(21, 3, 10, 1);
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@ -672,43 +743,6 @@ void MyDialog::initWidgetsCallbacks()
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{
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// Add some function callbacks
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MyButton1->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_noFunctionMsg)
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);
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MyButton2->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_noFunctionMsg)
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);
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MyButton3->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_noFunctionMsg)
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);
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MyButton4->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_input2buttonText),
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static_cast<FWidget::data_ptr>(myLineEdit)
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);
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MyButton5->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &MyDialog::cb_ProgressBar)
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);
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MyButton6->addCallback
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(
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"clicked",
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F_METHOD_CALLBACK (this, &FApplication::cb_exitApp)
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);
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myLineEdit->addCallback
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(
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"activate", // e.g. on <Enter>
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@ -3,7 +3,7 @@
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2014-2017 Markus Gans *
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* Copyright 2014-2018 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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@ -130,7 +130,6 @@ class FFileDialog : public FDialog
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void onKeyPress (FKeyEvent*);
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// Methods
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int readDir();
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static const FString fileOpenChooser ( FWidget*
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, const FString& = FString()
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, const FString& = FString() );
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@ -166,6 +165,10 @@ class FFileDialog : public FDialog
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void clear();
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int numOfDirs();
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void sortDir();
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int readDir();
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void getEntry (struct dirent*);
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void followSymLink (dir_entry&);
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void dirEntriesToList();
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int changeDir (const FString&);
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void printPath (const FString&);
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static const FString getHomeDir();
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@ -3,7 +3,7 @@
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2014-2017 Markus Gans *
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* Copyright 2014-2018 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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@ -141,8 +141,10 @@ class FLabel : public FWidget
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int getHotkeyPos (wchar_t[], wchar_t[], uInt);
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void setHotkeyAccelerator();
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int getAlignOffset (int);
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void printLine (wchar_t[], uInt, int, int = 0);
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void draw();
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void drawMultiLine();
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void drawSingleLine();
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void printLine (wchar_t[], uInt, int, int = 0);
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// Data Members
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FStringList multiline_text;
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@ -3,7 +3,7 @@
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2014-2017 Markus Gans *
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* Copyright 2014-2018 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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@ -254,136 +254,6 @@ void FFileDialog::onKeyPress (FKeyEvent* ev)
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}
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}
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//----------------------------------------------------------------------
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int FFileDialog::readDir()
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{
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const char* const dir = directory.c_str();
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const char* const filter = filter_pattern.c_str();
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directory_stream = opendir(dir);
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if ( ! directory_stream )
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{
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FMessageBox::error (this, "Can't open directory\n" + directory);
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return -1;
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}
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clear();
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while ( true )
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{
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errno = 0;
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struct dirent* next = readdir(directory_stream);
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if ( next )
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{
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if ( next->d_name[0] == '.' && next->d_name[1] == '\0' )
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continue;
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if ( ! show_hidden
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&& next->d_name[0] == '.'
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&& next->d_name[1] != '\0'
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&& next->d_name[1] != '.' )
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{
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continue;
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}
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if ( dir[0] == '/' && dir[1] == '\0'
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&& std::strcmp(next->d_name, "..") == 0 )
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continue;
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dir_entry entry;
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entry.name = strdup(next->d_name);
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#if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE
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entry.fifo = (next->d_type & DT_FIFO) == DT_FIFO;
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entry.character_device = (next->d_type & DT_CHR ) == DT_CHR;
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entry.directory = (next->d_type & DT_DIR ) == DT_DIR;
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entry.block_device = (next->d_type & DT_BLK ) == DT_BLK;
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entry.regular_file = (next->d_type & DT_REG ) == DT_REG;
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entry.symbolic_link = (next->d_type & DT_LNK ) == DT_LNK;
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entry.socket = (next->d_type & DT_SOCK) == DT_SOCK;
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#else
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struct stat s;
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stat (entry.name, &s);
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entry.fifo = S_ISFIFO (s.st_mode);
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entry.character_device = S_ISCHR (s.st_mode);
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entry.directory = S_ISDIR (s.st_mode);
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entry.block_device = S_ISBLK (s.st_mode);
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entry.regular_file = S_ISREG (s.st_mode);
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entry.symbolic_link = S_ISLNK (s.st_mode);
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entry.socket = S_ISSOCK (s.st_mode);
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#endif
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if ( entry.symbolic_link ) // symbolic link
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{
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char resolved_path[MAXPATHLEN] = {};
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char symLink[MAXPATHLEN] = {};
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std::strncpy (symLink, dir, sizeof(symLink) - 1);
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std::strncat ( symLink
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, next->d_name
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, sizeof(symLink) - std::strlen(symLink) - 1);
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if ( realpath(symLink, resolved_path) != 0 ) // follow link
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{
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struct stat sb;
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if ( lstat(resolved_path, &sb) == 0 )
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{
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if ( S_ISDIR(sb.st_mode) )
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entry.directory = true;
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}
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}
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}
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if ( entry.directory )
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dir_entries.push_back (entry);
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else if ( pattern_match(filter, entry.name) )
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dir_entries.push_back (entry);
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else
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std::free(entry.name);
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}
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else if ( errno != 0 )
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{
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FMessageBox::error (this, "Reading directory\n" + directory);
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if ( errno == EOVERFLOW ) // Value too large to be stored in data type
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break;
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}
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else
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break;
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} // end while
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if ( closedir(directory_stream) != 0 )
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{
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FMessageBox::error (this, "Closing directory\n" + directory);
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return -2;
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}
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sortDir();
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// fill list with directory entries
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filebrowser->clear();
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if ( ! dir_entries.empty() )
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{
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std::vector<dir_entry>::const_iterator iter, last;
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iter = dir_entries.begin();
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last = dir_entries.end();
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while ( iter != last )
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{
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if ( (*iter).directory )
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filebrowser->insert(FString((*iter).name), fc::SquareBrackets);
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else
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filebrowser->insert(FString((*iter).name));
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++iter;
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}
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}
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return 0;
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}
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//----------------------------------------------------------------------
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const FString FFileDialog::fileOpenChooser ( FWidget* parent
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, const FString& dirname
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@ -701,6 +571,159 @@ void FFileDialog::sortDir()
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, sortByName );
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}
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//----------------------------------------------------------------------
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int FFileDialog::readDir()
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{
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const char* const dir = directory.c_str();
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directory_stream = opendir(dir);
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if ( ! directory_stream )
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{
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FMessageBox::error (this, "Can't open directory\n" + directory);
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return -1;
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}
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clear();
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while ( true )
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{
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errno = 0;
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struct dirent* next = readdir(directory_stream);
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if ( next )
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{
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// Continue if name = "." (current directory)
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if ( next->d_name[0] == '.' && next->d_name[1] == '\0' )
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continue;
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// Skip hidden entries
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if ( ! show_hidden
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&& next->d_name[0] == '.'
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&& next->d_name[1] != '\0'
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&& next->d_name[1] != '.' )
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continue;
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// Skip ".." for the root directory
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if ( dir[0] == '/' && dir[1] == '\0'
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&& std::strcmp(next->d_name, "..") == 0 )
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continue;
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getEntry(next);
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}
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else if ( errno != 0 )
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{
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FMessageBox::error (this, "Reading directory\n" + directory);
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if ( errno == EOVERFLOW ) // Value too large to be stored in data type
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break;
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}
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else
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break;
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} // end while
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if ( closedir(directory_stream) != 0 )
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{
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FMessageBox::error (this, "Closing directory\n" + directory);
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return -2;
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}
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sortDir();
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// Insert directory entries into the list
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dirEntriesToList();
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return 0;
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}
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//----------------------------------------------------------------------
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void FFileDialog::getEntry (struct dirent* d_entry)
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{
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const char* const filter = filter_pattern.c_str();
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dir_entry entry;
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entry.name = strdup(d_entry->d_name);
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#if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE
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entry.fifo = (d_entry->d_type & DT_FIFO) == DT_FIFO;
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entry.character_device = (d_entry->d_type & DT_CHR ) == DT_CHR;
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entry.directory = (d_entry->d_type & DT_DIR ) == DT_DIR;
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entry.block_device = (d_entry->d_type & DT_BLK ) == DT_BLK;
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entry.regular_file = (d_entry->d_type & DT_REG ) == DT_REG;
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entry.symbolic_link = (d_entry->d_type & DT_LNK ) == DT_LNK;
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entry.socket = (d_entry->d_type & DT_SOCK) == DT_SOCK;
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#else
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struct stat s;
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stat (entry.name, &s);
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entry.fifo = S_ISFIFO (s.st_mode);
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entry.character_device = S_ISCHR (s.st_mode);
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entry.directory = S_ISDIR (s.st_mode);
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entry.block_device = S_ISBLK (s.st_mode);
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entry.regular_file = S_ISREG (s.st_mode);
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entry.symbolic_link = S_ISLNK (s.st_mode);
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entry.socket = S_ISSOCK (s.st_mode);
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#endif
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followSymLink(entry);
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if ( entry.directory )
|
||||
dir_entries.push_back (entry);
|
||||
else if ( pattern_match(filter, entry.name) )
|
||||
dir_entries.push_back (entry);
|
||||
else
|
||||
std::free(entry.name);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
void FFileDialog::followSymLink (dir_entry& entry)
|
||||
{
|
||||
if ( ! entry.symbolic_link )
|
||||
return; // No symbolic link
|
||||
|
||||
char resolved_path[MAXPATHLEN] = {};
|
||||
char symLink[MAXPATHLEN] = {};
|
||||
struct stat sb;
|
||||
const char* const dir = directory.c_str();
|
||||
|
||||
std::strncpy (symLink, dir, sizeof(symLink) - 1);
|
||||
std::strncat ( symLink
|
||||
, entry.name
|
||||
, sizeof(symLink) - std::strlen(symLink) - 1);
|
||||
|
||||
if ( realpath(symLink, resolved_path) == 0 )
|
||||
return; // Cannot follow the symlink
|
||||
|
||||
if ( lstat(resolved_path, &sb) == -1 )
|
||||
return; // Cannot get file status
|
||||
|
||||
if ( S_ISDIR(sb.st_mode) )
|
||||
entry.directory = true;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
void FFileDialog::dirEntriesToList()
|
||||
{
|
||||
// Fill list with directory entries
|
||||
|
||||
filebrowser->clear();
|
||||
|
||||
if ( dir_entries.empty() )
|
||||
return;
|
||||
|
||||
std::vector<dir_entry>::const_iterator iter, last;
|
||||
iter = dir_entries.begin();
|
||||
last = dir_entries.end();
|
||||
|
||||
while ( iter != last )
|
||||
{
|
||||
if ( (*iter).directory )
|
||||
filebrowser->insert(FString((*iter).name), fc::SquareBrackets);
|
||||
else
|
||||
filebrowser->insert(FString((*iter).name));
|
||||
|
||||
++iter;
|
||||
}
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
int FFileDialog::changeDir (const FString& dirname)
|
||||
{
|
||||
|
|
|
|||
216
src/flabel.cpp
216
src/flabel.cpp
|
|
@ -3,7 +3,7 @@
|
|||
* *
|
||||
* This file is part of the Final Cut widget toolkit *
|
||||
* *
|
||||
* Copyright 2014-2017 Markus Gans *
|
||||
* Copyright 2014-2018 Markus Gans *
|
||||
* *
|
||||
* The Final Cut is free software; you can redistribute it and/or *
|
||||
* modify it under the terms of the GNU Lesser General Public License *
|
||||
|
|
@ -486,6 +486,117 @@ int FLabel::getAlignOffset (int length)
|
|||
return 0;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
void FLabel::draw()
|
||||
{
|
||||
if ( isMonochron() )
|
||||
{
|
||||
setReverse(true);
|
||||
|
||||
if ( hasEmphasis() )
|
||||
setBold(true);
|
||||
}
|
||||
|
||||
if ( hasEmphasis() )
|
||||
setColor (emphasis_color, getBackgroundColor());
|
||||
else
|
||||
setColor();
|
||||
|
||||
// Draw the text
|
||||
if ( multiline && getHeight() >= 2 )
|
||||
drawMultiLine();
|
||||
else
|
||||
drawSingleLine();
|
||||
|
||||
if ( isMonochron() )
|
||||
{
|
||||
setReverse(false);
|
||||
|
||||
if ( hasEmphasis() )
|
||||
setBold(false);
|
||||
}
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
void FLabel::drawMultiLine()
|
||||
{
|
||||
uInt y = 0;
|
||||
uInt text_lines = uInt(multiline_text.size());
|
||||
|
||||
|
||||
while ( y < text_lines && y < uInt(getHeight()) )
|
||||
{
|
||||
wchar_t* label_text;
|
||||
bool hotkey_printed = false;
|
||||
int align_offset, hotkeypos = -1;
|
||||
uInt length = multiline_text[y].getLength();
|
||||
|
||||
try
|
||||
{
|
||||
label_text = new wchar_t[length + 1]();
|
||||
}
|
||||
catch (const std::bad_alloc& ex)
|
||||
{
|
||||
std::cerr << "not enough memory to alloc " << ex.what() << std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
wchar_t* src = const_cast<wchar_t*>(multiline_text[y].wc_str());
|
||||
wchar_t* dest = const_cast<wchar_t*>(label_text);
|
||||
|
||||
if ( ! hotkey_printed )
|
||||
hotkeypos = getHotkeyPos(src, dest, length);
|
||||
else
|
||||
std::wcsncpy(dest, src, length);
|
||||
|
||||
setPrintPos (1, 1 + int(y));
|
||||
|
||||
if ( hotkeypos != -1 )
|
||||
{
|
||||
align_offset = getAlignOffset (int(length - 1));
|
||||
printLine (label_text, length - 1, hotkeypos, align_offset);
|
||||
hotkey_printed = true;
|
||||
hotkeypos = -1;
|
||||
}
|
||||
else
|
||||
{
|
||||
align_offset = getAlignOffset (int(length));
|
||||
printLine (label_text, length, -1, align_offset);
|
||||
}
|
||||
|
||||
y++;
|
||||
delete[] label_text;
|
||||
}
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
void FLabel::drawSingleLine()
|
||||
{
|
||||
wchar_t* label_text;
|
||||
int hotkeypos = -1, align_offset;
|
||||
uInt length = text.getLength();
|
||||
|
||||
try
|
||||
{
|
||||
label_text = new wchar_t[length + 1]();
|
||||
}
|
||||
catch (const std::bad_alloc& ex)
|
||||
{
|
||||
std::cerr << "not enough memory to alloc " << ex.what() << std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
hotkeypos = getHotkeyPos (text.wc_str(), label_text, length);
|
||||
|
||||
if ( hotkeypos != -1 )
|
||||
length--;
|
||||
|
||||
setPrintPos (1,1);
|
||||
align_offset = getAlignOffset (int(length));
|
||||
printLine (label_text, length, hotkeypos, align_offset);
|
||||
delete[] label_text;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
void FLabel::printLine ( wchar_t line[]
|
||||
, uInt length
|
||||
|
|
@ -557,106 +668,3 @@ void FLabel::printLine ( wchar_t line[]
|
|||
if ( hasReverseMode() )
|
||||
setReverse(false);
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
void FLabel::draw()
|
||||
{
|
||||
wchar_t* label_text;
|
||||
uInt length;
|
||||
int hotkeypos, align_offset;
|
||||
|
||||
if ( isMonochron() )
|
||||
{
|
||||
setReverse(true);
|
||||
|
||||
if ( hasEmphasis() )
|
||||
setBold(true);
|
||||
}
|
||||
|
||||
if ( hasEmphasis() )
|
||||
setColor (emphasis_color, getBackgroundColor());
|
||||
else
|
||||
setColor();
|
||||
|
||||
hotkeypos = -1;
|
||||
|
||||
if ( multiline && getHeight() >= 2 )
|
||||
{
|
||||
uInt y = 0;
|
||||
uInt text_lines = uInt(multiline_text.size());
|
||||
bool hotkey_printed = false;
|
||||
|
||||
while ( y < text_lines && y < uInt(getHeight()) )
|
||||
{
|
||||
length = multiline_text[y].getLength();
|
||||
|
||||
try
|
||||
{
|
||||
label_text = new wchar_t[length + 1]();
|
||||
}
|
||||
catch (const std::bad_alloc& ex)
|
||||
{
|
||||
std::cerr << "not enough memory to alloc " << ex.what() << std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
wchar_t* src = const_cast<wchar_t*>(multiline_text[y].wc_str());
|
||||
wchar_t* dest = const_cast<wchar_t*>(label_text);
|
||||
|
||||
if ( ! hotkey_printed )
|
||||
hotkeypos = getHotkeyPos(src, dest, length);
|
||||
else
|
||||
std::wcsncpy(dest, src, length);
|
||||
|
||||
setPrintPos (1, 1 + int(y));
|
||||
|
||||
if ( hotkeypos != -1 )
|
||||
{
|
||||
align_offset = getAlignOffset (int(length - 1));
|
||||
printLine (label_text, length - 1, hotkeypos, align_offset);
|
||||
hotkey_printed = true;
|
||||
hotkeypos = -1;
|
||||
}
|
||||
else
|
||||
{
|
||||
align_offset = getAlignOffset (int(length));
|
||||
printLine (label_text, length, -1, align_offset);
|
||||
}
|
||||
|
||||
y++;
|
||||
delete[] label_text;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
length = text.getLength();
|
||||
|
||||
try
|
||||
{
|
||||
label_text = new wchar_t[length + 1]();
|
||||
}
|
||||
catch (const std::bad_alloc& ex)
|
||||
{
|
||||
std::cerr << "not enough memory to alloc " << ex.what() << std::endl;
|
||||
return;
|
||||
}
|
||||
|
||||
hotkeypos = getHotkeyPos (text.wc_str(), label_text, length);
|
||||
|
||||
if ( hotkeypos != -1 )
|
||||
length--;
|
||||
|
||||
setPrintPos (1,1);
|
||||
align_offset = getAlignOffset (int(length));
|
||||
printLine (label_text, length, hotkeypos, align_offset);
|
||||
delete[] label_text;
|
||||
}
|
||||
|
||||
if ( isMonochron() )
|
||||
{
|
||||
setReverse(false);
|
||||
|
||||
if ( hasEmphasis() )
|
||||
setBold(false);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue