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Diffstat (limited to 'src/ui/widget/preview.h')
| -rw-r--r-- | src/ui/widget/preview.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/ui/widget/preview.h b/src/ui/widget/preview.h new file mode 100644 index 0000000..d352a0d --- /dev/null +++ b/src/ui/widget/preview.h @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MPL-1.1 OR LGPL-2.1-or-later +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Eek Preview Stuffs. + * + * The Initial Developer of the Original Code is + * Jon A. Cruz. + * Portions created by the Initial Developer are Copyright (C) 2005-2008 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef SEEN_EEK_PREVIEW_H +#define SEEN_EEK_PREVIEW_H + +#include <gtkmm/drawingarea.h> + +/** + * @file + * Generic implementation of an object that can be shown by a preview. + */ + +namespace Inkscape { +namespace UI { +namespace Widget { + +enum PreviewStyle { + PREVIEW_STYLE_ICON = 0, + PREVIEW_STYLE_PREVIEW, + PREVIEW_STYLE_NAME, + PREVIEW_STYLE_BLURB, + PREVIEW_STYLE_ICON_NAME, + PREVIEW_STYLE_ICON_BLURB, + PREVIEW_STYLE_PREVIEW_NAME, + PREVIEW_STYLE_PREVIEW_BLURB +}; + +enum ViewType { + VIEW_TYPE_LIST = 0, + VIEW_TYPE_GRID +}; + +enum PreviewSize { + PREVIEW_SIZE_TINY = 0, + PREVIEW_SIZE_SMALL, + PREVIEW_SIZE_MEDIUM, + PREVIEW_SIZE_BIG, + PREVIEW_SIZE_BIGGER, + PREVIEW_SIZE_HUGE +}; + +enum LinkType { + PREVIEW_LINK_NONE = 0, + PREVIEW_LINK_IN = 1, + PREVIEW_LINK_OUT = 2, + PREVIEW_LINK_OTHER = 4, + PREVIEW_FILL = 8, + PREVIEW_STROKE = 16, + PREVIEW_LINK_ALL = 31 +}; + +enum BorderStyle { + BORDER_NONE = 0, + BORDER_SOLID, + BORDER_WIDE, + BORDER_SOLID_LAST_ROW, +}; + +class Preview : public Gtk::DrawingArea { +private: + int _scaledW; + int _scaledH; + + int _r; + int _g; + int _b; + + bool _hot; + bool _within; + bool _takesFocus; ///< flag to grab focus when clicked + ViewType _view; + PreviewSize _size; + unsigned int _ratio; + LinkType _linked; + unsigned int _border; + bool _freesize = false; + + Glib::RefPtr<Gdk::Pixbuf> _previewPixbuf; + Glib::RefPtr<Gdk::Pixbuf> _scaled; + + // signals + sigc::signal<void> _signal_clicked; + sigc::signal<void, int> _signal_alt_clicked; + + void size_request(GtkRequisition *req) const; + +protected: + void get_preferred_width_vfunc(int &minimal_width, int &natural_width) const override; + void get_preferred_height_vfunc(int &minimal_height, int &natural_height) const override; + bool on_draw(const Cairo::RefPtr<Cairo::Context> &cr) override; + bool on_button_press_event(GdkEventButton *button_event) override; + bool on_button_release_event(GdkEventButton *button_event) override; + bool on_enter_notify_event(GdkEventCrossing* event ) override; + bool on_leave_notify_event(GdkEventCrossing* event ) override; + +public: + Preview(); + bool get_focus_on_click() const {return _takesFocus;} + void set_focus_on_click(bool focus_on_click) {_takesFocus = focus_on_click;} + LinkType get_linked() const; + void set_linked(LinkType link); + void set_details(ViewType view, + PreviewSize size, + guint ratio, + guint border); + void set_color(int r, int g, int b); + void set_pixbuf(const Glib::RefPtr<Gdk::Pixbuf> &pixbuf); + void set_freesize(bool enable); + static void set_size_mappings(guint count, GtkIconSize const* sizes); + + decltype(_signal_clicked) signal_clicked() {return _signal_clicked;} + decltype(_signal_alt_clicked) signal_alt_clicked() {return _signal_alt_clicked;} +}; + +} // namespace Widget +} // namespace UI +} // namespace Inkscape + +#endif /* SEEN_EEK_PREVIEW_H */ + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |