1 /*
2 * This file is part of RawTherapee.
3 *
4 * Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
5 *
6 * RawTherapee is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * RawTherapee is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
18 *
19 * Class created by Jean-Christophe FRISCH, aka 'Hombre'
20 */
21
22 #include <gtkmm.h>
23 #include "multilangmgr.h"
24 #include "popupcommon.h"
25 #include "rtimage.h"
26 #include "guiutils.h"
27
PopUpCommon(Gtk::Button * thisButton,const Glib::ustring & label)28 PopUpCommon::PopUpCommon (Gtk::Button* thisButton, const Glib::ustring& label)
29 : buttonImage (nullptr)
30 , menu (nullptr)
31 , arrowButton(nullptr)
32 , selected (-1) // -1 means that the button is invalid
33 {
34 button = thisButton;
35 hasMenu = false;
36 imageContainer = Gtk::manage( new Gtk::Grid());
37 setExpandAlignProperties(imageContainer, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
38 button->set_relief (Gtk::RELIEF_NORMAL);
39 button->add(*imageContainer);
40
41 if (!label.empty()) {
42 Gtk::Label* buttonLabel = Gtk::manage ( new Gtk::Label(label + " ") );
43 setExpandAlignProperties(buttonLabel, false, false, Gtk::ALIGN_START, Gtk::ALIGN_CENTER);
44 imageContainer->attach(*buttonLabel, 0, 0, 1, 1);
45 }
46
47 // Create the global container and put the button in it
48 buttonGroup = Gtk::manage( new Gtk::Grid());
49 setExpandAlignProperties(buttonGroup, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
50 buttonGroup->attach(*button, 0, 0, 1, 1);
51 buttonGroup->get_style_context()->add_class("image-combo");
52 }
53
~PopUpCommon()54 PopUpCommon::~PopUpCommon ()
55 {
56 delete menu;
57 delete buttonImage;
58 }
59
addEntry(const Glib::ustring & fileName,const Glib::ustring & label)60 bool PopUpCommon::addEntry (const Glib::ustring& fileName, const Glib::ustring& label)
61 {
62 if (label.empty ())
63 return false;
64
65 // Create the menu item and image
66 MyImageMenuItem* newItem = Gtk::manage (new MyImageMenuItem (label, fileName));
67 imageFilenames.push_back (fileName);
68 images.push_back (newItem->getImage ());
69
70 if (selected == -1) {
71 // Create the menu on the first item
72 menu = new Gtk::Menu ();
73 // Create the image for the button
74 buttonImage = new RTImage(fileName);
75 setExpandAlignProperties(buttonImage, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
76 // Use the first image by default
77 imageContainer->attach_next_to(*buttonImage, Gtk::POS_RIGHT, 1, 1);
78 selected = 0;
79 }
80
81 // When there is at least 1 choice, we add the arrow button
82 if (images.size() == 1) {
83 arrowButton = Gtk::manage( new Gtk::Button() );
84 Gtk::Image *arrowImage = Gtk::manage(new Gtk::Image());
85 arrowImage->set_from_icon_name("pan-down-symbolic", Gtk::ICON_SIZE_BUTTON);
86 setExpandAlignProperties(arrowButton, false, false, Gtk::ALIGN_CENTER, Gtk::ALIGN_FILL);
87 arrowButton->add(*arrowImage); //menuSymbol);
88 buttonGroup->attach_next_to(*arrowButton, *button, Gtk::POS_RIGHT, 1, 1);
89 arrowButton->signal_button_release_event().connect_notify( sigc::mem_fun(*this, &PopUpCommon::showMenu) );
90 button->get_style_context()->add_class("Left");
91 arrowButton->get_style_context()->add_class("Right");
92 arrowButton->get_style_context()->add_class("popupbutton-arrow");
93 hasMenu = true;
94 }
95
96 newItem->signal_activate ().connect (sigc::bind (sigc::mem_fun (*this, &PopUpCommon::entrySelected), images.size () - 1));
97 menu->append (*newItem);
98
99 return true;
100 }
101
102 // TODO: 'PopUpCommon::removeEntry' method to be created...
103
entrySelected(int i)104 void PopUpCommon::entrySelected (int i)
105 {
106 // Emit a signal if the selected item has changed
107 if (setSelected (posToIndex(i)))
108 messageChanged (posToIndex(selected));
109
110 // Emit a signal in all case (i.e. propagate the signal_activate event)
111 messageItemSelected (posToIndex(selected));
112 }
113
setItemSensitivity(int index,bool isSensitive)114 void PopUpCommon::setItemSensitivity (int index, bool isSensitive) {
115 const auto items = menu->get_children ();
116 size_t pos = indexToPos(index);
117 if (pos < items.size ()) {
118 items[pos]->set_sensitive (isSensitive);
119 }
120 }
121
122
123 /*
124 * Set the button image with the selected item
125 */
setSelected(int entryNum)126 bool PopUpCommon::setSelected (int entryNum)
127 {
128 entryNum = indexToPos(entryNum);
129
130 if (entryNum < 0 || entryNum > ((int)images.size() - 1) || (int)entryNum == selected) {
131 return false;
132 } else {
133 // Maybe we could do something better than loading the image file each time the selection is changed !?
134 buttonImage->changeImage(imageFilenames.at(entryNum));
135 selected = entryNum;
136 setButtonHint();
137 return true;
138 }
139 }
140
show()141 void PopUpCommon::show()
142 {
143 menu->reposition();
144 setButtonHint();
145 menu->show_all();
146 buttonGroup->show_all();
147 }
148
setButtonHint()149 void PopUpCommon::setButtonHint()
150 {
151 Glib::ustring hint;
152
153 if (!buttonHint.empty()) {
154 hint = buttonHint;
155
156 if (selected > -1) {
157 hint += " ";
158 }
159 }
160
161 if (selected > -1) {
162 auto widget = menu->get_children ()[selected];
163 auto item = dynamic_cast<MyImageMenuItem*>(widget);
164
165 if (item) {
166 hint += item->getLabel ()->get_text ();
167 }
168 }
169
170 button->set_tooltip_markup(hint);
171 }
172
showMenu(GdkEventButton * event)173 void PopUpCommon::showMenu(GdkEventButton* event)
174 {
175 if (event->button == 1) {
176 menu->popup(event->button, event->time);
177 }
178 }
179
set_tooltip_text(const Glib::ustring & text)180 void PopUpCommon::set_tooltip_text (const Glib::ustring &text)
181 {
182 buttonHint = text;
183 setButtonHint();
184 }
185
186
setRelief(Gtk::ReliefStyle s)187 void PopUpCommon::setRelief(Gtk::ReliefStyle s)
188 {
189 button->set_relief(s);
190 if (arrowButton) {
191 arrowButton->set_relief(s);
192 }
193 }
194