X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fui%2Fpreviewholder.cpp;h=cc2339c9cf3f7dba860d7867a9125d413a34b7bc;hb=e898b1ae89b3084fb5ab1b4e54a9a9dc6df60aba;hp=e73cd740706f5a6fe7eaed2b92df802de3ff41ca;hpb=6b15695578f07a3f72c4c9475c1a261a3021472a;p=inkscape.git diff --git a/src/ui/previewholder.cpp b/src/ui/previewholder.cpp index e73cd7407..cc2339c9c 100644 --- a/src/ui/previewholder.cpp +++ b/src/ui/previewholder.cpp @@ -14,6 +14,13 @@ #include "previewholder.h" #include +#include +#include + +#define COLUMNS_FOR_SMALL 16 +#define COLUMNS_FOR_LARGE 8 +//#define COLUMNS_FOR_SMALL 48 +//#define COLUMNS_FOR_LARGE 32 namespace Inkscape { @@ -24,16 +31,20 @@ PreviewHolder::PreviewHolder() : VBox(), PreviewFillable(), _scroller(0), + _anchor(Gtk::ANCHOR_CENTER), _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); + _insides = manage(new Gtk::Table( 1, 2 )); + _insides->set_col_spacings( 8 ); + + // Add a container with the scroller and a spacer + Gtk::Table* spaceHolder = manage( new Gtk::Table(1, 2) ); + _scroller->add( *_insides ); + spaceHolder->attach( *_scroller, 0, 1, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND ); - pack_start(*_scroller, Gtk::PACK_EXPAND_WIDGET); + pack_start(*spaceHolder, Gtk::PACK_EXPAND_WIDGET); } PreviewHolder::~PreviewHolder() @@ -45,14 +56,15 @@ PreviewHolder::~PreviewHolder() void PreviewHolder::clear() { items.clear(); + _prefCols = 0; 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)); @@ -61,12 +73,22 @@ void PreviewHolder::addPreview( Previewable* preview ) _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 width = 1; + int height = 1; + calcGridSize( thing, items.size(), width, height ); int col = i % width; int row = i / width; + + if ( i < 10 ) { + g_message( "i:%d width:%d height:%d prop cols:%d", i, width, height, (int)_insides->property_n_columns() ); + } + if ( col == 0 ) { // we just started a new row _insides->resize( row + 1, width ); + } else if ( _insides && width > (int)_insides->property_n_columns() ) { + _insides->resize( height, width ); } _insides->attach( *thing, col, col+1, row, row+1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND ); } @@ -84,15 +106,105 @@ void PreviewHolder::setStyle(Gtk::BuiltinIconSize size, ViewType view) } } +void PreviewHolder::setOrientation( Gtk::AnchorType how ) +{ + if ( _anchor != how ) + { + _anchor = how; + switch ( _anchor ) + { + case Gtk::ANCHOR_NORTH: + case Gtk::ANCHOR_SOUTH: + { + dynamic_cast(_scroller)->set_policy( Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC ); + } + break; + + case Gtk::ANCHOR_EAST: + case Gtk::ANCHOR_WEST: + { + dynamic_cast(_scroller)->set_policy( Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC ); + } + break; + + default: + { + dynamic_cast(_scroller)->set_policy( Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC ); + } + } + rebuildUI(); + } +} + +void PreviewHolder::setColumnPref( int cols ) +{ + _prefCols = cols; +} + +void PreviewHolder::on_size_allocate( Gtk::Allocation& allocation ) +{ +// g_message( "on_size_allocate(%d, %d) (%d, %d)", allocation.get_x(), allocation.get_y(), allocation.get_width(), allocation.get_height() ); +// g_message(" anchor:%d", _anchor); + Gtk::VBox::on_size_allocate( allocation ); +} + +void PreviewHolder::on_size_request( Gtk::Requisition* requisition ) +{ +// g_message( "on_size_request(%d, %d)", requisition->width, requisition->height ); + Gtk::VBox::on_size_request( requisition ); +// g_message( " super (%d, %d)", requisition->width, requisition->height ); +// g_message(" anchor:%d", _anchor); +// g_message(" items:%d", (int)items.size()); +} + +void PreviewHolder::calcGridSize( const Gtk::Widget* thing, int itemCount, int& width, int& height ) +{ + width = itemCount; + height = 1; + + if ( _anchor == Gtk::ANCHOR_SOUTH || _anchor == Gtk::ANCHOR_NORTH ) { + Gtk::Requisition req = _scroller->size_request(); + int currW = _scroller->get_width(); + if ( currW > req.width ) { + req.width = currW; + } + + Gtk::HScrollbar* hs = dynamic_cast(_scroller)->get_hscrollbar(); + if ( hs ) { + Gtk::Requisition scrollReq = hs->size_request(); + + // the +8 is a temporary hack + req.height -= scrollReq.height + 8; + } + + Gtk::Requisition req2 = thing->size_request(); + + int h2 = req.height / req2.height; + int w2 = req.width / req2.width; + width = (itemCount + (h2 - 1)) / h2; + if ( width < w2 ) { + width = w2; + } + } else { + width = _baseSize == Gtk::ICON_SIZE_MENU ? COLUMNS_FOR_SMALL : COLUMNS_FOR_LARGE; + if ( _prefCols > 0 ) { + width = _prefCols; + } + height = (itemCount + (width - 1)) / width; + if ( height < 1 ) { + height = 1; + } + } +} void PreviewHolder::rebuildUI() { _scroller->remove(); + _insides = 0; // remove() call should have deleted the Gtk::Table. if ( _view == VIEW_TYPE_LIST ) { - Gtk::Table* stuff = manage(new Gtk::Table( 1, 2 )); - _insides = stuff; - stuff->set_col_spacings( 8 ); + _insides = manage(new Gtk::Table( 1, 2 )); + _insides->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)); @@ -100,33 +212,35 @@ void PreviewHolder::rebuildUI() 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 ); + _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 ); } - _scroller->add(*stuff); + _scroller->add( *_insides ); } 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; + int width = 2; + int height = 1; 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 ) { + if ( !_insides ) { + calcGridSize( thing, items.size(), width, height ); + _insides = manage(new Gtk::Table( height, width )); + } + + _insides->attach( *thing, col, col+1, row, row+1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND ); + if ( ++col >= width ) { col = 0; row++; } } - _scroller->add(*stuff); + if ( !_insides ) { + _insides = manage(new Gtk::Table( 1, 2 )); + } + + _scroller->add( *_insides ); } _scroller->show_all_children();