forked from AuroraMiddleware/gtk
Added GtkCellAreaIter class
Added base class to hold alignment and overall size request information while itterating over the size requests of various rows of a GtkTreeModel, updated GtkCellArea/GtkCellAreaBox classes accordingly.
This commit is contained in:
parent
8679563247
commit
b5e529f578
@ -170,6 +170,7 @@ gtk_public_h_sources = \
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gtkcalendar.h \
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gtkcellarea.h \
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gtkcellareabox.h \
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gtkcellareaiter.h \
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gtkcelleditable.h \
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gtkcelllayout.h \
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gtkcellrenderer.h \
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@ -434,6 +435,7 @@ gtk_base_c_sources = \
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gtkcalendar.c \
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gtkcellarea.c \
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gtkcellareabox.c \
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gtkcellareaiter.c \
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gtkcelleditable.c \
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gtkcelllayout.c \
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gtkcellrenderer.c \
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@ -30,11 +30,13 @@ static void gtk_cell_area_finalize (GObject
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/* GtkCellAreaClass */
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static void gtk_cell_area_real_get_preferred_height_for_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height);
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static void gtk_cell_area_real_get_preferred_width_for_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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@ -138,6 +140,7 @@ gtk_cell_area_class_init (GtkCellAreaClass *class)
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class->render = NULL;
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/* geometry */
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class->create_iter = NULL;
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class->get_request_mode = NULL;
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class->get_preferred_width = NULL;
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class->get_preferred_height = NULL;
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@ -253,24 +256,26 @@ gtk_cell_area_dispose (GObject *object)
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*************************************************************/
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static void
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gtk_cell_area_real_get_preferred_height_for_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height)
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{
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/* If the area doesnt do height-for-width, fallback on base preferred height */
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GTK_CELL_AREA_GET_CLASS (area)->get_preferred_width (area, widget, minimum_height, natural_height);
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GTK_CELL_AREA_GET_CLASS (area)->get_preferred_width (area, iter, widget, minimum_height, natural_height);
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}
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static void
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gtk_cell_area_real_get_preferred_width_for_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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gint *natural_width)
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{
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/* If the area doesnt do width-for-height, fallback on base preferred width */
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GTK_CELL_AREA_GET_CLASS (area)->get_preferred_width (area, widget, minimum_width, natural_width);
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GTK_CELL_AREA_GET_CLASS (area)->get_preferred_width (area, iter, widget, minimum_width, natural_width);
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}
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/*************************************************************
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@ -520,6 +525,25 @@ gtk_cell_area_render (GtkCellArea *area,
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}
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/* Geometry */
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GtkCellAreaIter *
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gtk_cell_area_create_iter (GtkCellArea *area)
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{
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GtkCellAreaClass *class;
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g_return_val_if_fail (GTK_IS_CELL_AREA (area), NULL);
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class = GTK_CELL_AREA_GET_CLASS (area);
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if (class->create_iter)
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return class->create_iter (area);
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g_warning ("GtkCellAreaClass::create_iter not implemented for `%s'",
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g_type_name (G_TYPE_FROM_INSTANCE (area)));
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return NULL;
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}
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GtkSizeRequestMode
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gtk_cell_area_get_request_mode (GtkCellArea *area)
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{
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@ -541,6 +565,7 @@ gtk_cell_area_get_request_mode (GtkCellArea *area)
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void
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gtk_cell_area_get_preferred_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size)
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@ -553,7 +578,7 @@ gtk_cell_area_get_preferred_width (GtkCellArea *area,
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class = GTK_CELL_AREA_GET_CLASS (area);
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if (class->get_preferred_width)
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class->get_preferred_width (area, widget, minimum_size, natural_size);
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class->get_preferred_width (area, iter, widget, minimum_size, natural_size);
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else
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g_warning ("GtkCellAreaClass::get_preferred_width not implemented for `%s'",
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g_type_name (G_TYPE_FROM_INSTANCE (area)));
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@ -561,6 +586,7 @@ gtk_cell_area_get_preferred_width (GtkCellArea *area,
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void
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gtk_cell_area_get_preferred_height_for_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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@ -572,11 +598,12 @@ gtk_cell_area_get_preferred_height_for_width (GtkCellArea *area,
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g_return_if_fail (GTK_IS_WIDGET (widget));
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class = GTK_CELL_AREA_GET_CLASS (area);
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class->get_preferred_height_for_width (area, widget, width, minimum_height, natural_height);
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class->get_preferred_height_for_width (area, iter, widget, width, minimum_height, natural_height);
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}
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void
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gtk_cell_area_get_preferred_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size)
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@ -589,7 +616,7 @@ gtk_cell_area_get_preferred_height (GtkCellArea *area,
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class = GTK_CELL_AREA_GET_CLASS (area);
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if (class->get_preferred_height)
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class->get_preferred_height (area, widget, minimum_size, natural_size);
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class->get_preferred_height (area, iter, widget, minimum_size, natural_size);
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else
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g_warning ("GtkCellAreaClass::get_preferred_height not implemented for `%s'",
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g_type_name (G_TYPE_FROM_INSTANCE (area)));
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@ -597,6 +624,7 @@ gtk_cell_area_get_preferred_height (GtkCellArea *area,
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void
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gtk_cell_area_get_preferred_width_for_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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@ -608,7 +636,7 @@ gtk_cell_area_get_preferred_width_for_height (GtkCellArea *area,
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g_return_if_fail (GTK_IS_WIDGET (widget));
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class = GTK_CELL_AREA_GET_CLASS (area);
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class->get_preferred_width_for_height (area, widget, height, minimum_width, natural_width);
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class->get_preferred_width_for_height (area, iter, widget, height, minimum_width, natural_width);
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}
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void
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@ -31,6 +31,7 @@
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#include <gtk/gtkcellrenderer.h>
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#include <gtk/gtkwidget.h>
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#include <gtk/gtktreemodel.h>
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#include <gtk/gtkcellareaiter.h>
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G_BEGIN_DECLS
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@ -88,21 +89,26 @@ struct _GtkCellAreaClass
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const GdkRectangle *cell_area);
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/* Geometry */
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GtkCellAreaIter *(* create_iter) (GtkCellArea *area);
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GtkSizeRequestMode (* get_request_mode) (GtkCellArea *area);
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void (* get_preferred_width) (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size);
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void (* get_preferred_height_for_width) (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height);
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void (* get_preferred_height) (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size);
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void (* get_preferred_width_for_height) (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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@ -140,21 +146,26 @@ void gtk_cell_area_render (GtkCellArea
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const GdkRectangle *cell_area);
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/* Geometry */
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GtkCellAreaIter *gtk_cell_area_create_iter (GtkCellArea *area);
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GtkSizeRequestMode gtk_cell_area_get_request_mode (GtkCellArea *area);
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void gtk_cell_area_get_preferred_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size);
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void gtk_cell_area_get_preferred_height_for_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height);
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void gtk_cell_area_get_preferred_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_size,
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gint *natural_size);
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void gtk_cell_area_get_preferred_width_for_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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@ -1,4 +1,4 @@
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/* gtkcellarea.c
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/* gtkcellareabox.c
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*
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* Copyright (C) 2010 Openismus GmbH
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*
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@ -54,21 +54,26 @@ static void gtk_cell_area_box_render (GtkCellArea
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GtkWidget *widget,
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const GdkRectangle *cell_area);
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static GtkSizeRequestMode gtk_cell_area_box_get_request_mode (GtkCellArea *area);
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static GtkCellAreaIter *gtk_cell_area_box_create_iter (GtkCellArea *area);
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static GtkSizeRequestMode gtk_cell_area_box_get_request_mode (GtkCellArea *area);
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static void gtk_cell_area_box_get_preferred_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_width,
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gint *natural_width);
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static void gtk_cell_area_box_get_preferred_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_height,
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gint *natural_height);
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static void gtk_cell_area_box_get_preferred_height_for_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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gint *natural_height);
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static void gtk_cell_area_box_get_preferred_width_for_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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@ -153,6 +158,7 @@ gtk_cell_area_box_class_init (GtkCellAreaBoxClass *class)
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area_class->event = gtk_cell_area_box_event;
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area_class->render = gtk_cell_area_box_render;
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area_class->create_iter = gtk_cell_area_box_create_iter;
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area_class->get_request_mode = gtk_cell_area_box_get_request_mode;
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area_class->get_preferred_width = gtk_cell_area_box_get_preferred_width;
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area_class->get_preferred_height = gtk_cell_area_box_get_preferred_height;
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@ -302,6 +308,12 @@ gtk_cell_area_box_render (GtkCellArea *area,
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}
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static GtkCellAreaIter *
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gtk_cell_area_box_create_iter (GtkCellArea *area)
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{
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return NULL;
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}
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static GtkSizeRequestMode
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gtk_cell_area_box_get_request_mode (GtkCellArea *area)
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{
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@ -315,6 +327,7 @@ gtk_cell_area_box_get_request_mode (GtkCellArea *area)
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static void
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gtk_cell_area_box_get_preferred_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_width,
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gint *natural_width)
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@ -324,6 +337,7 @@ gtk_cell_area_box_get_preferred_width (GtkCellArea *area,
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static void
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gtk_cell_area_box_get_preferred_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint *minimum_height,
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gint *natural_height)
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@ -334,6 +348,7 @@ gtk_cell_area_box_get_preferred_height (GtkCellArea *area,
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static void
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gtk_cell_area_box_get_preferred_height_for_width (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint width,
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gint *minimum_height,
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@ -344,6 +359,7 @@ gtk_cell_area_box_get_preferred_height_for_width (GtkCellArea *area,
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static void
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gtk_cell_area_box_get_preferred_width_for_height (GtkCellArea *area,
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GtkCellAreaIter *iter,
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GtkWidget *widget,
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gint height,
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gint *minimum_width,
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@ -353,7 +369,6 @@ gtk_cell_area_box_get_preferred_width_for_height (GtkCellArea *area,
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}
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/*************************************************************
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* GtkCellLayoutIface *
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*************************************************************/
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607
gtk/gtkcellareaiter.c
Normal file
607
gtk/gtkcellareaiter.c
Normal file
@ -0,0 +1,607 @@
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/* gtkcellareaiter.c
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*
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* Copyright (C) 2010 Openismus GmbH
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*
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* Authors:
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* Tristan Van Berkom <tristanvb@openismus.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gtkintl.h"
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#include "gtkmarshalers.h"
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#include "gtkorientable.h"
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#include "gtkcelllayout.h"
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#include "gtkcellareaiter.h"
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/* GObjectClass */
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static void gtk_cell_area_iter_finalize (GObject *object);
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static void gtk_cell_area_iter_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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/* GtkCellAreaIterClass */
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static void gtk_cell_area_iter_real_flush_preferred_width (GtkCellAreaIter *iter);
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static void gtk_cell_area_iter_real_flush_preferred_height_for_width (GtkCellAreaIter *iter,
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gint width);
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static void gtk_cell_area_iter_real_flush_preferred_height (GtkCellAreaIter *iter);
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static void gtk_cell_area_iter_real_flush_preferred_width_for_height (GtkCellAreaIter *iter,
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gint height);
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/* CachedSize management */
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typedef struct {
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gint min_size;
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gint nat_size;
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} CachedSize;
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static CachedSize *cached_size_new (gint min_size, gint nat_size);
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static void cached_size_free (CachedSize *size);
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struct _GtkCellAreaIterPrivate
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{
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gint min_width;
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gint nat_width;
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gint min_height;
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gint nat_height;
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GHashTable *widths;
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GHashTable *heights;
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};
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enum {
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PROP_0,
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PROP_MIN_WIDTH,
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PROP_NAT_WIDTH,
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PROP_MIN_HEIGHT,
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PROP_NAT_HEIGHT
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};
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enum {
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SIGNAL_WIDTH_CHANGED,
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SIGNAL_HEIGHT_CHANGED,
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LAST_SIGNAL
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};
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static guint cell_area_iter_signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE (GtkCellAreaIter, gtk_cell_area_iter, G_TYPE_OBJECT);
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static void
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gtk_cell_area_iter_init (GtkCellAreaIter *iter)
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{
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GtkCellAreaIterPrivate *priv;
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iter->priv = G_TYPE_INSTANCE_GET_PRIVATE (iter,
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GTK_TYPE_CELL_AREA_ITER,
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GtkCellAreaIterPrivate);
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priv = iter->priv;
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priv->min_width = -1;
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priv->nat_width = -1;
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priv->min_height = -1;
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priv->nat_height = -1;
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priv->widths = g_hash_table_new_full (g_direct_hash, g_direct_equal,
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NULL, (GDestroyNotify)cached_size_free);
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priv->heights = g_hash_table_new_full (g_direct_hash, g_direct_equal,
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NULL, (GDestroyNotify)cached_size_free);
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}
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static void
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gtk_cell_area_iter_class_init (GtkCellAreaIterClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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/* GObjectClass */
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object_class->finalize = gtk_cell_area_iter_finalize;
|
||||
object_class->get_property = gtk_cell_area_iter_get_property;
|
||||
|
||||
class->flush_preferred_width = gtk_cell_area_iter_real_flush_preferred_width;
|
||||
class->flush_preferred_height_for_width = gtk_cell_area_iter_real_flush_preferred_height_for_width;
|
||||
class->flush_preferred_height = gtk_cell_area_iter_real_flush_preferred_height;
|
||||
class->flush_preferred_width_for_height = gtk_cell_area_iter_real_flush_preferred_width_for_height;
|
||||
|
||||
cell_area_iter_signals[SIGNAL_HEIGHT_CHANGED] =
|
||||
g_signal_new (I_("height-changed"),
|
||||
G_TYPE_FROM_CLASS (object_class),
|
||||
G_SIGNAL_RUN_LAST,
|
||||
0, /* Class offset (just a notification, no class handler) */
|
||||
NULL, NULL,
|
||||
_gtk_marshal_VOID__INT_INT_INT,
|
||||
G_TYPE_NONE, 3,
|
||||
G_TYPE_INT, G_TYPE_INT, G_TYPE_INT);
|
||||
|
||||
cell_area_iter_signals[SIGNAL_WIDTH_CHANGED] =
|
||||
g_signal_new (I_("width-changed"),
|
||||
G_TYPE_FROM_CLASS (object_class),
|
||||
G_SIGNAL_RUN_LAST,
|
||||
0, /* Class offset (just a notification, no class handler) */
|
||||
NULL, NULL,
|
||||
_gtk_marshal_VOID__INT_INT_INT,
|
||||
G_TYPE_NONE, 3,
|
||||
G_TYPE_INT, G_TYPE_INT, G_TYPE_INT);
|
||||
|
||||
g_object_class_install_property (object_class,
|
||||
PROP_MIN_WIDTH,
|
||||
g_param_spec_int ("minimum-width",
|
||||
P_("Minimum Width"),
|
||||
P_("Minimum cached width"),
|
||||
-1,
|
||||
G_MAXINT,
|
||||
-1,
|
||||
G_PARAM_READABLE));
|
||||
|
||||
g_object_class_install_property (object_class,
|
||||
PROP_NAT_WIDTH,
|
||||
g_param_spec_int ("natural-width",
|
||||
P_("Minimum Width"),
|
||||
P_("Minimum cached width"),
|
||||
-1,
|
||||
G_MAXINT,
|
||||
-1,
|
||||
G_PARAM_READABLE));
|
||||
|
||||
g_object_class_install_property (object_class,
|
||||
PROP_MIN_HEIGHT,
|
||||
g_param_spec_int ("minimum-height",
|
||||
P_("Minimum Height"),
|
||||
P_("Minimum cached height"),
|
||||
-1,
|
||||
G_MAXINT,
|
||||
-1,
|
||||
G_PARAM_READABLE));
|
||||
|
||||
g_object_class_install_property (object_class,
|
||||
PROP_NAT_HEIGHT,
|
||||
g_param_spec_int ("natural-height",
|
||||
P_("Minimum Height"),
|
||||
P_("Minimum cached height"),
|
||||
-1,
|
||||
G_MAXINT,
|
||||
-1,
|
||||
G_PARAM_READABLE));
|
||||
|
||||
g_type_class_add_private (object_class, sizeof (GtkCellAreaIterPrivate));
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*************************************************************
|
||||
* Cached Sizes *
|
||||
*************************************************************/
|
||||
static CachedSize *
|
||||
cached_size_new (gint min_size,
|
||||
gint nat_size)
|
||||
{
|
||||
CachedSize *size = g_slice_new (CachedSize);
|
||||
|
||||
size->min_size = min_size;
|
||||
size->nat_size = nat_size;
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
static void
|
||||
cached_size_free (CachedSize *size)
|
||||
{
|
||||
g_slice_free (CachedSize, size);
|
||||
}
|
||||
|
||||
/*************************************************************
|
||||
* GObjectClass *
|
||||
*************************************************************/
|
||||
static void
|
||||
gtk_cell_area_iter_finalize (GObject *object)
|
||||
{
|
||||
GtkCellAreaIter *iter = GTK_CELL_AREA_ITER (object);
|
||||
GtkCellAreaIterPrivate *priv = iter->priv;
|
||||
|
||||
g_hash_table_destroy (priv->widths);
|
||||
g_hash_table_destroy (priv->heights);
|
||||
|
||||
G_OBJECT_CLASS (gtk_cell_area_iter_parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_cell_area_iter_get_property (GObject *object,
|
||||
guint prop_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GtkCellAreaIter *iter = GTK_CELL_AREA_ITER (object);
|
||||
GtkCellAreaIterPrivate *priv = iter->priv;
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_MIN_WIDTH:
|
||||
g_value_set_int (value, priv->min_width);
|
||||
break;
|
||||
case PROP_NAT_WIDTH:
|
||||
g_value_set_int (value, priv->nat_width);
|
||||
break;
|
||||
case PROP_MIN_HEIGHT:
|
||||
g_value_set_int (value, priv->min_height);
|
||||
break;
|
||||
case PROP_NAT_HEIGHT:
|
||||
g_value_set_int (value, priv->nat_height);
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*************************************************************
|
||||
* GtkCellAreaIterClass *
|
||||
*************************************************************/
|
||||
static void
|
||||
gtk_cell_area_iter_real_flush_preferred_width (GtkCellAreaIter *iter)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv = iter->priv;
|
||||
|
||||
priv->min_width = -1;
|
||||
priv->nat_width = -1;
|
||||
|
||||
g_object_freeze_notify (G_OBJECT (iter));
|
||||
g_object_notify (G_OBJECT (iter), "minimum-width");
|
||||
g_object_notify (G_OBJECT (iter), "natural-width");
|
||||
g_object_thaw_notify (G_OBJECT (iter));
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_cell_area_iter_real_flush_preferred_height_for_width (GtkCellAreaIter *iter,
|
||||
gint width)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv = iter->priv;
|
||||
|
||||
/* Flush all sizes for special -1 value */
|
||||
if (width < 0)
|
||||
g_hash_table_remove_all (priv->heights);
|
||||
else
|
||||
g_hash_table_remove (priv->heights, GINT_TO_POINTER (width));
|
||||
|
||||
/* XXX Should we bother signalling removed values as "size-changed" signals ? */
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_cell_area_iter_real_flush_preferred_height (GtkCellAreaIter *iter)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv = iter->priv;
|
||||
|
||||
priv->min_height = -1;
|
||||
priv->nat_height = -1;
|
||||
|
||||
g_object_freeze_notify (G_OBJECT (iter));
|
||||
g_object_notify (G_OBJECT (iter), "minimum-height");
|
||||
g_object_notify (G_OBJECT (iter), "natural-height");
|
||||
g_object_thaw_notify (G_OBJECT (iter));
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_cell_area_iter_real_flush_preferred_width_for_height (GtkCellAreaIter *iter,
|
||||
gint height)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv = iter->priv;
|
||||
|
||||
/* Flush all sizes for special -1 value */
|
||||
if (height < 0)
|
||||
g_hash_table_remove_all (priv->widths);
|
||||
else
|
||||
g_hash_table_remove (priv->widths, GINT_TO_POINTER (height));
|
||||
|
||||
/* XXX Should we bother signalling removed values as "size-changed" signals ? */
|
||||
}
|
||||
|
||||
/*************************************************************
|
||||
* API *
|
||||
*************************************************************/
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_get_preferred_width (GtkCellAreaIter *iter,
|
||||
gint *minimum_width,
|
||||
gint *natural_width)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
priv = iter->priv;
|
||||
|
||||
if (minimum_width)
|
||||
*minimum_width = priv->min_width;
|
||||
|
||||
if (natural_width)
|
||||
*natural_width = priv->nat_width;
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_get_preferred_height_for_width (GtkCellAreaIter *iter,
|
||||
gint for_width,
|
||||
gint *minimum_height,
|
||||
gint *natural_height)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
CachedSize *size;
|
||||
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
priv = iter->priv;
|
||||
|
||||
size = g_hash_table_lookup (priv->heights, GINT_TO_POINTER (for_width));
|
||||
|
||||
if (size)
|
||||
{
|
||||
if (minimum_height)
|
||||
*minimum_height = size->min_size;
|
||||
|
||||
if (natural_height)
|
||||
*natural_height = size->nat_size;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (minimum_height)
|
||||
*minimum_height = -1;
|
||||
|
||||
if (natural_height)
|
||||
*natural_height = -1;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_get_preferred_height (GtkCellAreaIter *iter,
|
||||
gint *minimum_height,
|
||||
gint *natural_height)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
priv = iter->priv;
|
||||
|
||||
if (minimum_height)
|
||||
*minimum_height = priv->min_height;
|
||||
|
||||
if (natural_height)
|
||||
*natural_height = priv->nat_height;
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_get_preferred_width_for_height (GtkCellAreaIter *iter,
|
||||
gint for_height,
|
||||
gint *minimum_width,
|
||||
gint *natural_width)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
CachedSize *size;
|
||||
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
priv = iter->priv;
|
||||
|
||||
size = g_hash_table_lookup (priv->widths, GINT_TO_POINTER (for_height));
|
||||
|
||||
if (size)
|
||||
{
|
||||
if (minimum_width)
|
||||
*minimum_width = size->min_size;
|
||||
|
||||
if (natural_width)
|
||||
*natural_width = size->nat_size;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (minimum_width)
|
||||
*minimum_width = -1;
|
||||
|
||||
if (natural_width)
|
||||
*natural_width = -1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_push_preferred_width (GtkCellAreaIter *iter,
|
||||
gint minimum_width,
|
||||
gint natural_width)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
priv = iter->priv;
|
||||
|
||||
g_object_freeze_notify (G_OBJECT (iter));
|
||||
|
||||
if (minimum_width > priv->min_width)
|
||||
{
|
||||
priv->min_width = minimum_width;
|
||||
|
||||
g_object_notify (G_OBJECT (iter), "minimum-width");
|
||||
}
|
||||
|
||||
if (natural_width > priv->nat_width)
|
||||
{
|
||||
priv->nat_width = natural_width;
|
||||
|
||||
g_object_notify (G_OBJECT (iter), "natural-width");
|
||||
}
|
||||
|
||||
g_object_thaw_notify (G_OBJECT (iter));
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_push_preferred_height_for_width (GtkCellAreaIter *iter,
|
||||
gint for_width,
|
||||
gint minimum_height,
|
||||
gint natural_height)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
CachedSize *size;
|
||||
gboolean changed = FALSE;
|
||||
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
priv = iter->priv;
|
||||
|
||||
size = g_hash_table_lookup (priv->heights, GINT_TO_POINTER (for_width));
|
||||
|
||||
if (!size)
|
||||
{
|
||||
size = cached_size_new (minimum_height, natural_height);
|
||||
|
||||
g_hash_table_insert (priv->heights, GINT_TO_POINTER (for_width), size);
|
||||
|
||||
changed = TRUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (minimum_height > size->min_size)
|
||||
{
|
||||
size->min_size = minimum_height;
|
||||
changed = TRUE;
|
||||
}
|
||||
|
||||
if (natural_height > size->nat_size)
|
||||
{
|
||||
size->nat_size = natural_height;
|
||||
changed = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if (changed)
|
||||
g_signal_emit (iter, cell_area_iter_signals[SIGNAL_HEIGHT_CHANGED], 0,
|
||||
for_width, size->min_size, size->nat_size);
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_push_preferred_height (GtkCellAreaIter *iter,
|
||||
gint minimum_height,
|
||||
gint natural_height)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
priv = iter->priv;
|
||||
|
||||
g_object_freeze_notify (G_OBJECT (iter));
|
||||
|
||||
if (minimum_height > priv->min_height)
|
||||
{
|
||||
priv->min_height = minimum_height;
|
||||
|
||||
g_object_notify (G_OBJECT (iter), "minimum-height");
|
||||
}
|
||||
|
||||
if (natural_height > priv->nat_height)
|
||||
{
|
||||
priv->nat_height = natural_height;
|
||||
|
||||
g_object_notify (G_OBJECT (iter), "natural-height");
|
||||
}
|
||||
|
||||
g_object_thaw_notify (G_OBJECT (iter));
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_push_preferred_width_for_height (GtkCellAreaIter *iter,
|
||||
gint for_height,
|
||||
gint minimum_width,
|
||||
gint natural_width)
|
||||
{
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
CachedSize *size;
|
||||
gboolean changed = FALSE;
|
||||
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
priv = iter->priv;
|
||||
|
||||
size = g_hash_table_lookup (priv->widths, GINT_TO_POINTER (for_height));
|
||||
|
||||
if (!size)
|
||||
{
|
||||
size = cached_size_new (minimum_width, natural_width);
|
||||
|
||||
g_hash_table_insert (priv->widths, GINT_TO_POINTER (for_height), size);
|
||||
|
||||
changed = TRUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (minimum_width > size->min_size)
|
||||
{
|
||||
size->min_size = minimum_width;
|
||||
changed = TRUE;
|
||||
}
|
||||
|
||||
if (natural_width > size->nat_size)
|
||||
{
|
||||
size->nat_size = natural_width;
|
||||
changed = TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if (changed)
|
||||
g_signal_emit (iter, cell_area_iter_signals[SIGNAL_WIDTH_CHANGED], 0,
|
||||
for_height, size->min_size, size->nat_size);
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_flush (GtkCellAreaIter *iter)
|
||||
{
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
gtk_cell_area_iter_flush_preferred_width (iter);
|
||||
gtk_cell_area_iter_flush_preferred_height_for_width (iter, -1);
|
||||
gtk_cell_area_iter_flush_preferred_height (iter);
|
||||
gtk_cell_area_iter_flush_preferred_width_for_height (iter, -1);
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_flush_preferred_width (GtkCellAreaIter *iter)
|
||||
{
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
GTK_CELL_AREA_ITER_GET_CLASS (iter)->flush_preferred_width (iter);
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_flush_preferred_height_for_width (GtkCellAreaIter *iter,
|
||||
gint for_width)
|
||||
{
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
GTK_CELL_AREA_ITER_GET_CLASS (iter)->flush_preferred_height_for_width (iter, for_width);
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_flush_preferred_height (GtkCellAreaIter *iter)
|
||||
{
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
GTK_CELL_AREA_ITER_GET_CLASS (iter)->flush_preferred_height (iter);
|
||||
}
|
||||
|
||||
void
|
||||
gtk_cell_area_iter_flush_preferred_width_for_height (GtkCellAreaIter *iter,
|
||||
gint for_height)
|
||||
{
|
||||
g_return_if_fail (GTK_IS_CELL_AREA_ITER (iter));
|
||||
|
||||
GTK_CELL_AREA_ITER_GET_CLASS (iter)->flush_preferred_width_for_height (iter, for_height);
|
||||
}
|
117
gtk/gtkcellareaiter.h
Normal file
117
gtk/gtkcellareaiter.h
Normal file
@ -0,0 +1,117 @@
|
||||
/* gtkcellareaiter.h
|
||||
*
|
||||
* Copyright (C) 2010 Openismus GmbH
|
||||
*
|
||||
* Authors:
|
||||
* Tristan Van Berkom <tristanvb@openismus.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library 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
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
|
||||
#error "Only <gtk/gtk.h> can be included directly."
|
||||
#endif
|
||||
|
||||
#ifndef __GTK_CELL_AREA_ITER_H__
|
||||
#define __GTK_CELL_AREA_ITER_H__
|
||||
|
||||
#include <glib-object.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GTK_TYPE_CELL_AREA_ITER (gtk_cell_area_iter_get_type ())
|
||||
#define GTK_CELL_AREA_ITER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIter))
|
||||
#define GTK_CELL_AREA_ITER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIterClass))
|
||||
#define GTK_IS_CELL_AREA_ITER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_AREA_ITER))
|
||||
#define GTK_IS_CELL_AREA_ITER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_AREA_ITER))
|
||||
#define GTK_CELL_AREA_ITER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_AREA_ITER, GtkCellAreaIterClass))
|
||||
|
||||
typedef struct _GtkCellAreaIter GtkCellAreaIter;
|
||||
typedef struct _GtkCellAreaIterPrivate GtkCellAreaIterPrivate;
|
||||
typedef struct _GtkCellAreaIterClass GtkCellAreaIterClass;
|
||||
|
||||
struct _GtkCellAreaIter
|
||||
{
|
||||
GObject parent_instance;
|
||||
|
||||
GtkCellAreaIterPrivate *priv;
|
||||
};
|
||||
|
||||
struct _GtkCellAreaIterClass
|
||||
{
|
||||
GObjectClass parent_class;
|
||||
|
||||
/* Subclasses can use this to flush their alignments */
|
||||
void (* flush_preferred_width) (GtkCellAreaIter *iter);
|
||||
void (* flush_preferred_height_for_width) (GtkCellAreaIter *iter,
|
||||
gint width);
|
||||
void (* flush_preferred_height) (GtkCellAreaIter *iter);
|
||||
void (* flush_preferred_width_for_height) (GtkCellAreaIter *iter,
|
||||
gint height);
|
||||
|
||||
/* Padding for future expansion */
|
||||
void (*_gtk_reserved1) (void);
|
||||
void (*_gtk_reserved2) (void);
|
||||
void (*_gtk_reserved3) (void);
|
||||
void (*_gtk_reserved4) (void);
|
||||
};
|
||||
|
||||
GType gtk_cell_area_iter_get_type (void) G_GNUC_CONST;
|
||||
|
||||
/* Apis for GtkCellArea clients to consult cached values for multiple GtkTreeModel rows */
|
||||
void gtk_cell_area_iter_get_preferred_width (GtkCellAreaIter *iter,
|
||||
gint *minimum_width,
|
||||
gint *natural_width);
|
||||
void gtk_cell_area_iter_get_preferred_height_for_width (GtkCellAreaIter *iter,
|
||||
gint for_width,
|
||||
gint *minimum_height,
|
||||
gint *natural_height);
|
||||
void gtk_cell_area_iter_get_preferred_height (GtkCellAreaIter *iter,
|
||||
gint *minimum_height,
|
||||
gint *natural_height);
|
||||
void gtk_cell_area_iter_get_preferred_width_for_height (GtkCellAreaIter *iter,
|
||||
gint for_height,
|
||||
gint *minimum_width,
|
||||
gint *natural_width);
|
||||
|
||||
/* Apis for GtkCellArea implementations to update cached values for multiple GtkTreeModel rows */
|
||||
void gtk_cell_area_iter_push_preferred_width (GtkCellAreaIter *iter,
|
||||
gint minimum_width,
|
||||
gint natural_width);
|
||||
void gtk_cell_area_iter_push_preferred_height_for_width (GtkCellAreaIter *iter,
|
||||
gint for_width,
|
||||
gint minimum_height,
|
||||
gint natural_height);
|
||||
void gtk_cell_area_iter_push_preferred_height (GtkCellAreaIter *iter,
|
||||
gint minimum_height,
|
||||
gint natural_height);
|
||||
void gtk_cell_area_iter_push_preferred_width_for_height (GtkCellAreaIter *iter,
|
||||
gint for_height,
|
||||
gint minimum_width,
|
||||
gint natural_width);
|
||||
|
||||
/* Apis for GtkCellArea clients to flush the cache */
|
||||
void gtk_cell_area_iter_flush (GtkCellAreaIter *iter);
|
||||
void gtk_cell_area_iter_flush_preferred_width (GtkCellAreaIter *iter);
|
||||
void gtk_cell_area_iter_flush_preferred_height_for_width (GtkCellAreaIter *iter,
|
||||
gint for_width);
|
||||
void gtk_cell_area_iter_flush_preferred_height (GtkCellAreaIter *iter);
|
||||
void gtk_cell_area_iter_flush_preferred_width_for_height (GtkCellAreaIter *iter,
|
||||
gint for_height);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GTK_CELL_AREA_ITER_H__ */
|
Loading…
Reference in New Issue
Block a user