moving trunk for module inkscape

(bzr r1)

1 files changed, 153 insertions, 0 deletions

diff --git a/src/ui/previewholder.cpp b/src/ui/previewholder.cpp
new file mode 100644
index 000000000..e73cd7407
--- /dev/null
+++ b/src/ui/previewholder.cpp
@@ -0,0 +1,153 @@
+
+/*
+ * A simple interface for previewing representations.
+ *
+ * Authors:
+ *   Jon A. Cruz
+ *
+ * Copyright (C) 2005 Jon A. Cruz
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+
+#include "previewholder.h"
+
+#include <gtkmm/scrolledwindow.h>
+
+
+namespace Inkscape {
+namespace UI {
+
+
+PreviewHolder::PreviewHolder() :
+    VBox(),
+    PreviewFillable(),
+    _scroller(0),
+    _baseSize(Gtk::ICON_SIZE_MENU),
+    _view(VIEW_TYPE_LIST)
+{
+    _scroller = manage(new Gtk::ScrolledWindow());
+    Gtk::Table* stuff = manage(new Gtk::Table( 1, 2 ));
+    stuff->set_col_spacings( 8 );
+    _insides = stuff;
+    _scroller->add(*stuff);
+
+    pack_start(*_scroller, Gtk::PACK_EXPAND_WIDGET);
+}
+
+PreviewHolder::~PreviewHolder()
+{
+}
+
+
+
+void PreviewHolder::clear()
+{
+    items.clear();
+    rebuildUI();
+}
+
+void PreviewHolder::addPreview( Previewable* preview )
+{
+    items.push_back(preview);
+
+    int i = items.size() - 1;
+    if ( _view == VIEW_TYPE_LIST ) {
+        Gtk::Widget* label = manage(preview->getPreview(PREVIEW_STYLE_BLURB, VIEW_TYPE_LIST, _baseSize));
+        Gtk::Widget* thing = manage(preview->getPreview(PREVIEW_STYLE_PREVIEW, VIEW_TYPE_LIST, _baseSize));
+
+        _insides->attach( *thing, 0, 1, i, i+1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND );
+        _insides->attach( *label, 1, 2, i, i+1, Gtk::FILL|Gtk::EXPAND, Gtk::SHRINK );
+    } else {
+        Gtk::Widget* thing = manage(items[i]->getPreview(PREVIEW_STYLE_PREVIEW, VIEW_TYPE_GRID, _baseSize));
+        int width = _baseSize == Gtk::ICON_SIZE_MENU ? 16 : 8;
+        int col = i % width;
+        int row = i / width;
+        if ( col == 0 ) {
+            // we just started a new row
+            _insides->resize( row + 1, width );
+        }
+        _insides->attach( *thing, col, col+1, row, row+1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND );
+    }
+
+    _scroller->show_all_children();
+    _scroller->queue_draw();
+}
+
+void PreviewHolder::setStyle(Gtk::BuiltinIconSize size, ViewType view)
+{
+    if ( size != _baseSize || view != _view ) {
+        _baseSize = size;
+        _view = view;
+        rebuildUI();
+    }
+}
+
+
+void PreviewHolder::rebuildUI()
+{
+    _scroller->remove();
+
+    if ( _view == VIEW_TYPE_LIST ) {
+        Gtk::Table* stuff = manage(new Gtk::Table( 1, 2 ));
+        _insides = stuff;
+        stuff->set_col_spacings( 8 );
+
+        for ( unsigned int i = 0; i < items.size(); i++ ) {
+            Gtk::Widget* label = manage(items[i]->getPreview(PREVIEW_STYLE_BLURB, _view, _baseSize));
+            //label->set_alignment(Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER);
+
+            Gtk::Widget* thing = manage(items[i]->getPreview(PREVIEW_STYLE_PREVIEW, _view, _baseSize));
+
+            stuff->attach( *thing, 0, 1, i, i+1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND );
+            stuff->attach( *label, 1, 2, i, i+1, Gtk::FILL|Gtk::EXPAND, Gtk::SHRINK );
+        }
+        _scroller->add(*stuff);
+    } else {
+        int width = _baseSize == Gtk::ICON_SIZE_MENU ? 16 : 8;
+        int height = (items.size() + (width - 1)) / width;
+        if ( height < 1 ) {
+            height = 1;
+        }
+
+        Gtk::Table* stuff = manage(new Gtk::Table( height, width ));
+        _insides = stuff;
+        int col = 0;
+        int row = 0;
+
+        for ( unsigned int i = 0; i < items.size(); i++ ) {
+            Gtk::Widget* thing = manage(items[i]->getPreview(PREVIEW_STYLE_PREVIEW, _view, _baseSize));
+
+            stuff->attach( *thing, col, col+1, row, row+1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND );
+            col++;
+            if ( col >= width ) {
+                col = 0;
+                row++;
+            }
+        }
+        _scroller->add(*stuff);
+    }
+
+    _scroller->show_all_children();
+    _scroller->queue_draw();
+}
+
+
+
+
+
+} //namespace UI
+} //namespace Inkscape
+
+
+/*
+  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:encoding=utf-8:textwidth=99 :