/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include #include "customcellrenderer.hxx" #if !GTK_CHECK_VERSION(4, 0, 0) #include #endif namespace { struct _CustomCellRendererClass : public GtkCellRendererTextClass { }; enum { PROP_ID = 10000, PROP_INSTANCE_TREE_VIEW = 10001 }; } G_DEFINE_TYPE(CustomCellRenderer, custom_cell_renderer, GTK_TYPE_CELL_RENDERER_TEXT) static void custom_cell_renderer_init(CustomCellRenderer* self) { { SolarMutexGuard aGuard; new (&self->device) VclPtr; } // prevent loplugin:unreffun firing on macro generated function (void)custom_cell_renderer_get_instance_private(self); } static void custom_cell_renderer_get_property(GObject* object, guint param_id, GValue* value, GParamSpec* pspec) { CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(object); switch (param_id) { case PROP_ID: g_value_set_string(value, cellsurface->id); break; case PROP_INSTANCE_TREE_VIEW: g_value_set_pointer(value, cellsurface->instance); break; default: G_OBJECT_CLASS(custom_cell_renderer_parent_class) ->get_property(object, param_id, value, pspec); break; } } static void custom_cell_renderer_set_property(GObject* object, guint param_id, const GValue* value, GParamSpec* pspec) { CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(object); switch (param_id) { case PROP_ID: g_free(cellsurface->id); cellsurface->id = g_value_dup_string(value); break; case PROP_INSTANCE_TREE_VIEW: cellsurface->instance = g_value_get_pointer(value); break; default: G_OBJECT_CLASS(custom_cell_renderer_parent_class) ->set_property(object, param_id, value, pspec); break; } } static bool custom_cell_renderer_get_preferred_size(GtkCellRenderer* cell, GtkOrientation orientation, gint* minimum_size, gint* natural_size); #if GTK_CHECK_VERSION(4, 0, 0) static void custom_cell_renderer_snapshot(GtkCellRenderer* cell, GtkSnapshot* snapshot, GtkWidget* widget, const GdkRectangle* background_area, const GdkRectangle* cell_area, GtkCellRendererState flags); #endif static void custom_cell_renderer_render(GtkCellRenderer* cell, cairo_t* cr, GtkWidget* widget, const GdkRectangle* background_area, const GdkRectangle* cell_area, GtkCellRendererState flags); static void custom_cell_renderer_finalize(GObject* object) { CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(object); g_free(cellsurface->id); { SolarMutexGuard aGuard; cellsurface->device.disposeAndClear(); cellsurface->device.~VclPtr(); } G_OBJECT_CLASS(custom_cell_renderer_parent_class)->finalize(object); } static void custom_cell_renderer_get_preferred_width(GtkCellRenderer* cell, GtkWidget* widget, gint* minimum_size, gint* natural_size) { if (!custom_cell_renderer_get_preferred_size(cell, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size)) { // fallback to parent if we're empty GTK_CELL_RENDERER_CLASS(custom_cell_renderer_parent_class) ->get_preferred_width(cell, widget, minimum_size, natural_size); } } static void custom_cell_renderer_get_preferred_height(GtkCellRenderer* cell, GtkWidget* widget, gint* minimum_size, gint* natural_size) { if (!custom_cell_renderer_get_preferred_size(cell, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size)) { // fallback to parent if we're empty GTK_CELL_RENDERER_CLASS(custom_cell_renderer_parent_class) ->get_preferred_height(cell, widget, minimum_size, natural_size); } } static void custom_cell_renderer_get_preferred_height_for_width(GtkCellRenderer* cell, GtkWidget* widget, gint /*width*/, gint* minimum_height, gint* natural_height) { gtk_cell_renderer_get_preferred_height(cell, widget, minimum_height, natural_height); } static void custom_cell_renderer_get_preferred_width_for_height(GtkCellRenderer* cell, GtkWidget* widget, gint /*height*/, gint* minimum_width, gint* natural_width) { gtk_cell_renderer_get_preferred_width(cell, widget, minimum_width, natural_width); } void custom_cell_renderer_class_init(CustomCellRendererClass* klass) { GtkCellRendererClass* cell_class = GTK_CELL_RENDERER_CLASS(klass); GObjectClass* object_class = G_OBJECT_CLASS(klass); /* Hook up functions to set and get our custom cell renderer properties */ object_class->get_property = custom_cell_renderer_get_property; object_class->set_property = custom_cell_renderer_set_property; custom_cell_renderer_parent_class = g_type_class_peek_parent(klass); object_class->finalize = custom_cell_renderer_finalize; cell_class->get_preferred_width = custom_cell_renderer_get_preferred_width; cell_class->get_preferred_height = custom_cell_renderer_get_preferred_height; cell_class->get_preferred_width_for_height = custom_cell_renderer_get_preferred_width_for_height; cell_class->get_preferred_height_for_width = custom_cell_renderer_get_preferred_height_for_width; #if GTK_CHECK_VERSION(4, 0, 0) cell_class->snapshot = custom_cell_renderer_snapshot; #else cell_class->render = custom_cell_renderer_render; #endif g_object_class_install_property( object_class, PROP_ID, g_param_spec_string("id", "ID", "The ID of the custom data", nullptr, G_PARAM_READWRITE)); g_object_class_install_property( object_class, PROP_INSTANCE_TREE_VIEW, g_param_spec_pointer("instance", "Instance", "The GtkInstanceTreeView", G_PARAM_READWRITE)); #if !GTK_CHECK_VERSION(4, 0, 0) gtk_cell_renderer_class_set_accessible_type(cell_class, GTK_TYPE_TEXT_CELL_ACCESSIBLE); #endif } GtkCellRenderer* custom_cell_renderer_new() { return GTK_CELL_RENDERER(g_object_new(CUSTOM_TYPE_CELL_RENDERER, nullptr)); } bool custom_cell_renderer_get_preferred_size(GtkCellRenderer* cell, GtkOrientation orientation, gint* minimum_size, gint* natural_size) { GValue value = G_VALUE_INIT; g_value_init(&value, G_TYPE_STRING); g_object_get_property(G_OBJECT(cell), "id", &value); const char* pStr = g_value_get_string(&value); OUString sId(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8); value = G_VALUE_INIT; g_value_init(&value, G_TYPE_POINTER); g_object_get_property(G_OBJECT(cell), "instance", &value); CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(cell); Size aSize; gpointer pWidget = g_value_get_pointer(&value); if (pWidget) { SolarMutexGuard aGuard; custom_cell_renderer_ensure_device(cellsurface, pWidget); aSize = custom_cell_renderer_get_size(*cellsurface->device, sId, pWidget); } if (orientation == GTK_ORIENTATION_HORIZONTAL) { if (minimum_size) *minimum_size = aSize.Width(); if (natural_size) *natural_size = aSize.Width(); } else { if (minimum_size) *minimum_size = aSize.Height(); if (natural_size) *natural_size = aSize.Height(); } return true; } void custom_cell_renderer_render(GtkCellRenderer* cell, cairo_t* cr, GtkWidget* /*widget*/, const GdkRectangle* /*background_area*/, const GdkRectangle* cell_area, GtkCellRendererState flags) { GValue value = G_VALUE_INIT; g_value_init(&value, G_TYPE_STRING); g_object_get_property(G_OBJECT(cell), "id", &value); const char* pStr = g_value_get_string(&value); OUString sId(pStr, pStr ? strlen(pStr) : 0, RTL_TEXTENCODING_UTF8); value = G_VALUE_INIT; g_value_init(&value, G_TYPE_POINTER); g_object_get_property(G_OBJECT(cell), "instance", &value); CustomCellRenderer* cellsurface = CUSTOM_CELL_RENDERER(cell); gpointer pWidget = g_value_get_pointer(&value); if (!pWidget) return; SolarMutexGuard aGuard; custom_cell_renderer_ensure_device(cellsurface, pWidget); Size aSize(cell_area->width, cell_area->height); // false to not bother setting the bg on resize as we'll do that // ourself via cairo cellsurface->device->SetOutputSizePixel(aSize, false); cairo_surface_t* pSurface = get_underlying_cairo_surface(*cellsurface->device); // fill surface as transparent so it can be blended with the potentially // selected background cairo_t* tempcr = cairo_create(pSurface); cairo_set_source_rgba(tempcr, 0, 0, 0, 0); cairo_set_operator(tempcr, CAIRO_OPERATOR_SOURCE); cairo_paint(tempcr); cairo_destroy(tempcr); cairo_surface_flush(pSurface); custom_cell_renderer_render(*cellsurface->device, tools::Rectangle(Point(0, 0), aSize), static_cast(flags & GTK_CELL_RENDERER_SELECTED), sId, pWidget); cairo_surface_mark_dirty(pSurface); cairo_set_source_surface(cr, pSurface, cell_area->x, cell_area->y); cairo_paint(cr); } #if GTK_CHECK_VERSION(4, 0, 0) static void custom_cell_renderer_snapshot(GtkCellRenderer* cell, GtkSnapshot* snapshot, GtkWidget* widget, const GdkRectangle* background_area, const GdkRectangle* cell_area, GtkCellRendererState flags) { graphene_rect_t rect = GRAPHENE_RECT_INIT( static_cast(cell_area->x), static_cast(cell_area->y), static_cast(cell_area->width), static_cast(cell_area->height)); cairo_t* cr = gtk_snapshot_append_cairo(GTK_SNAPSHOT(snapshot), &rect); custom_cell_renderer_render(cell, cr, widget, background_area, cell_area, flags); cairo_destroy(cr); } #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 2 LibreOffice 核心代码仓库文档基金会
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