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Diffstat (limited to 'src/nautilus-action-bar-box.c')
| -rw-r--r-- | src/nautilus-action-bar-box.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/nautilus-action-bar-box.c b/src/nautilus-action-bar-box.c new file mode 100644 index 000000000..3ef82b7eb --- /dev/null +++ b/src/nautilus-action-bar-box.c @@ -0,0 +1,181 @@ +/* nautilus-action-bar-box.c + * + * Copyright 2018 Carlos Soriano <csoriano@redhat.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#include "nautilus-action-bar-box.h" + +#define INFO_SECTION_WIDTH_RATIO 0.3 +#define INFO_SECTION_CHILD_POSITION_INDEX 0 +#define ACTION_SECTION_CHILD_POSITION_INDEX 1 + +struct _NautilusActionBarBox +{ + GtkBox parent_instance; +}; + +G_DEFINE_TYPE (NautilusActionBarBox, nautilus_action_bar_box, GTK_TYPE_BOX) + +enum { + PROP_0, + N_PROPS +}; + +static GParamSpec *properties [N_PROPS]; + +NautilusActionBarBox * +nautilus_action_bar_box_new (void) +{ + return g_object_new (NAUTILUS_TYPE_ACTION_BAR_BOX, NULL); +} + +static void +nautilus_action_bar_box_finalize (GObject *object) +{ + NautilusActionBarBox *self = (NautilusActionBarBox *)object; + + G_OBJECT_CLASS (nautilus_action_bar_box_parent_class)->finalize (object); +} + +static void +nautilus_action_bar_box_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NautilusActionBarBox *self = NAUTILUS_ACTION_BAR_BOX (object); + + switch (prop_id) + { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +nautilus_action_bar_box_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + NautilusActionBarBox *self = NAUTILUS_ACTION_BAR_BOX (object); + + switch (prop_id) + { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +nautilus_action_bar_box_size_allocate (GtkWidget *widget, + GtkAllocation *allocation) +{ + NautilusActionBarBox *self = NAUTILUS_ACTION_BAR_BOX (widget); + g_autoptr (GList) children = NULL; + GList *child; + GtkRequisition minimum_size; + GtkRequisition natural_size; + gint available_width = 0; + gint margin_sizes = 0; + GtkRequestedSize *sizes; + gint n_visible_children; + GtkAllocation child_allocation; + gint current_x = 0; + gint i; + + children = gtk_container_get_children (GTK_CONTAINER (self)); + + /* Only the info section and the action section should be added in this container */ + g_return_if_fail (g_list_length (children) == 2); + n_visible_children = 2; + + sizes = g_newa (GtkRequestedSize, g_list_length (children)); + available_width = allocation->width; + + gtk_widget_get_preferred_size (widget, &minimum_size, &natural_size); + + gtk_widget_set_allocation (widget, allocation); + + for (child = children, i = 0; child != NULL; child = child->next, i++) + { + gtk_widget_get_preferred_width_for_height (child->data, + allocation->height, + &sizes[i].minimum_size, + &sizes[i].natural_size); + sizes[i].data = child->data; + margin_sizes += gtk_widget_get_margin_end (child->data) + + gtk_widget_get_margin_start (child->data); + } + + g_print ("allocation width %d %d\n", allocation->width, margin_sizes); + available_width -= margin_sizes; + if ((sizes[INFO_SECTION_CHILD_POSITION_INDEX].natural_size + + sizes[ACTION_SECTION_CHILD_POSITION_INDEX].natural_size) + < available_width) + { + /* Info section */ + sizes[INFO_SECTION_CHILD_POSITION_INDEX].minimum_size = MAX (INFO_SECTION_WIDTH_RATIO * available_width, + sizes[INFO_SECTION_CHILD_POSITION_INDEX].minimum_size); + sizes[INFO_SECTION_CHILD_POSITION_INDEX].natural_size = sizes[INFO_SECTION_CHILD_POSITION_INDEX].minimum_size; + g_print ("info %d\n", sizes[INFO_SECTION_CHILD_POSITION_INDEX].minimum_size); + + /* Actions section */ + sizes[ACTION_SECTION_CHILD_POSITION_INDEX].minimum_size = MAX ((1.0 - INFO_SECTION_WIDTH_RATIO) * available_width, + sizes[ACTION_SECTION_CHILD_POSITION_INDEX].minimum_size); + sizes[ACTION_SECTION_CHILD_POSITION_INDEX].natural_size = sizes[ACTION_SECTION_CHILD_POSITION_INDEX].minimum_size; + g_print ("action %d\n", sizes[ACTION_SECTION_CHILD_POSITION_INDEX].minimum_size); + } + available_width -= sizes[INFO_SECTION_CHILD_POSITION_INDEX].minimum_size + + sizes[ACTION_SECTION_CHILD_POSITION_INDEX].minimum_size; + g_print ("available width %d\n", available_width); + + gtk_distribute_natural_allocation (MAX (0, available_width), + n_visible_children, sizes); + + for (child = children, i = 0; child != NULL; child = child->next, i++) + { + child_allocation.x = current_x + gtk_widget_get_margin_start (child->data); + child_allocation.y = allocation->y; + child_allocation.width = sizes[i].minimum_size; + child_allocation.height = allocation->height; + + g_print ("child alloc %d %d %d %d %d\n", current_x, child_allocation.x, sizes[i].minimum_size, gtk_widget_get_margin_end (child->data), gtk_widget_get_margin_start (child->data)); + gtk_widget_size_allocate (child->data, &child_allocation); + + current_x += sizes[i].minimum_size + gtk_widget_get_margin_end (child->data); + } +} + +static void +nautilus_action_bar_box_class_init (NautilusActionBarBoxClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); + + object_class->finalize = nautilus_action_bar_box_finalize; + object_class->get_property = nautilus_action_bar_box_get_property; + object_class->set_property = nautilus_action_bar_box_set_property; + + widget_class->size_allocate = nautilus_action_bar_box_size_allocate; +} + +static void +nautilus_action_bar_box_init (NautilusActionBarBox *self) +{ +} |