view libgui/src/color-picker.cc @ 21203:710e700cdd7f

maint: Clean up naming and indentation of #ifdef blocks in libgui Rename guard #ifdef names to use octave_ namespace prefix and file name. Indent #ifdef blocks. * Backend.cc, Backend.h, BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h, Canvas.cc, Canvas.h, CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, KeyMap.cc, KeyMap.h, ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, MouseModeActionGroup.cc, MouseModeActionGroup.h, Object.cc, Object.h, ObjectFactory.cc, ObjectFactory.h, ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h, QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h, TextControl.cc, TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, __init_qt__.cc, __init_qt__.h, annotation-dialog.cc, annotation-dialog.h, gl-select.cc, gl-select.h, color-picker.cc, color-picker.h, dialog.cc, documentation-dock-widget.cc, documentation-dock-widget.h, files-dock-widget.cc, files-dock-widget.h, find-files-dialog.cc, find-files-dialog.h, find-files-model.cc, find-files-model.h, history-dock-widget.cc, history-dock-widget.h, file-editor-interface.h, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc, octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc, octave-interpreter.h, octave-qt-link.cc, octave-qt-link.h, parser.cc, webinfo.cc, resource-manager.cc, resource-manager.h, settings-dialog.cc, settings-dialog.h, shortcut-manager.cc, shortcut-manager.h, terminal-dock-widget.cc, terminal-dock-widget.h, thread-manager.cc, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-view.cc: Clean up naming and indentation of #ifdef blocks in libgui.
author Rik <rik@octave.org>
date Sat, 06 Feb 2016 07:32:37 -0800
parents 4197fc428c7d
children 40de9f8f23a6
line wrap: on
line source

//
// This class provides a simple color picker based on tQColorButton
// by Harald Jedele, 23.03.01, GPL version 2 or any later version.
//
// Copyright (C) FZI Forschungszentrum Informatik Karlsruhe
// Copyright (C) 2013-2015 Torsten
//
// This file is part of Octave.
//
// Octave is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3 of the License, or (at your
// option) any later version.
//
// Octave is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with Octave; see the file COPYING.  If not, see
// <http://www.gnu.org/licenses/>.
//

// Author: Torsten <ttl@justmail.de>

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "color-picker.h"

// constuctor with initial color as parameter
color_picker::color_picker (QColor old_color, QWidget* p) : QPushButton (p)
{
  _color = old_color;
  setFlat (true);
  setFocusPolicy (Qt::NoFocus);  // no focus, would changes the color
  update_button ();
  connect (this, SIGNAL (clicked ()), SLOT (select_color ()));
}

// slot for bitton clicked: selct a new color using QColorDialog
void
color_picker::select_color ()
{
  QColor new_color = QColorDialog::getColor (_color);
  if (new_color.isValid () && new_color != _color)
    {
      _color = new_color;
      update_button ();
    }
}

// draw the button with the actual color (using a stylesheet)
void color_picker::update_button ()
{
  // Is this the right place to look for a "foreground" color that would
  // provide a reasonable border for the color swatches?
  QWidget *p = parentWidget ();

  QString bordercolor
    = p ? p->palette ().text ().color ().name () : QString ("#000000");

  QString css = QString ("background-color: %1; border: 1px solid %2;")
                .arg (_color.name ())
                .arg (bordercolor);

  setStyleSheet (css);
  repaint ();
}