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https://github.com/varun-r-mallya/sysprof.git
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libsysprof-ui: add EggThreeGrid
So we can drop our use from libdazzle. We'll need to port this to GTK 4 but it shouldn't be too bad.
This commit is contained in:
Christian Hergert
833
src/libsysprof-ui/egg-three-grid.c
Normal file
833
src/libsysprof-ui/egg-three-grid.c
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@ -0,0 +1,833 @@
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/* egg-three-grid.c
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*
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* Copyright (C) 2016 Christian Hergert <chergert@redhat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define G_LOG_DOMAIN "egg-three-grid"
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#include "config.h"
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#define _USE_MATH_DEFINES
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#include <math.h>
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#include "egg-three-grid.h"
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typedef struct
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{
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GtkWidget *widget;
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EggThreeGridColumn column;
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gint row;
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gint min_height;
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gint nat_height;
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gint min_baseline;
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gint nat_baseline;
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} EggThreeGridChild;
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typedef struct
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{
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GPtrArray *children;
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GHashTable *row_infos;
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guint column_spacing;
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guint row_spacing;
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} EggThreeGridPrivate;
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typedef struct
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{
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gint row;
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gint min_above_baseline;
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gint min_below_baseline;
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gint nat_above_baseline;
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gint nat_below_baseline;
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} EggThreeGridRowInfo;
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G_DEFINE_TYPE_WITH_PRIVATE (EggThreeGrid, egg_three_grid, GTK_TYPE_CONTAINER)
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enum {
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PROP_0,
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PROP_COLUMN_SPACING,
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PROP_ROW_SPACING,
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N_PROPS
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};
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enum {
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CHILD_PROP_0,
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CHILD_PROP_ROW,
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CHILD_PROP_COLUMN,
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N_CHILD_PROPS
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};
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static GParamSpec *properties [N_PROPS];
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static GParamSpec *child_properties [N_CHILD_PROPS];
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static EggThreeGridChild dummy;
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static EggThreeGridChild *
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egg_three_grid_child_new (void)
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{
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return g_slice_new0 (EggThreeGridChild);
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}
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static void
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egg_three_grid_child_free (gpointer data)
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{
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EggThreeGridChild *child = data;
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g_clear_object (&child->widget);
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g_slice_free (EggThreeGridChild, child);
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}
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static EggThreeGridChild *
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egg_three_grid_find_child (EggThreeGrid *self,
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GtkWidget *widget)
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{
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EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
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g_assert (EGG_IS_THREE_GRID (self));
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g_assert (GTK_IS_WIDGET (widget));
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for (guint i = 0; i < priv->children->len; i++)
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{
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EggThreeGridChild *child = g_ptr_array_index (priv->children, i);
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if (child->widget == widget)
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return child;
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}
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return &dummy;
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}
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static void
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egg_three_grid_add (GtkContainer *container,
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GtkWidget *widget)
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{
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EggThreeGrid *self = (EggThreeGrid *)container;
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EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
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EggThreeGridChild *child;
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g_assert (EGG_IS_THREE_GRID (self));
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g_assert (GTK_IS_WIDGET (widget));
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child = egg_three_grid_child_new ();
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child->widget = g_object_ref_sink (widget);
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g_ptr_array_add (priv->children, child);
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gtk_widget_set_parent (widget, GTK_WIDGET (self));
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}
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static void
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egg_three_grid_remove (GtkContainer *container,
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GtkWidget *widget)
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{
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EggThreeGrid *self = (EggThreeGrid *)container;
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EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
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g_assert (EGG_IS_THREE_GRID (self));
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g_assert (GTK_IS_WIDGET (widget));
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for (guint i = 0; i < priv->children->len; i++)
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{
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EggThreeGridChild *child = g_ptr_array_index (priv->children, i);
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if (child->widget == widget)
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{
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gtk_widget_unparent (child->widget);
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g_ptr_array_remove_index (priv->children, i);
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gtk_widget_queue_resize (GTK_WIDGET (self));
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return;
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}
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}
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}
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static GtkSizeRequestMode
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egg_three_grid_get_request_mode (GtkWidget *widget)
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{
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return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
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}
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static void
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egg_three_grid_get_column_width (EggThreeGrid *self,
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EggThreeGridColumn column,
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gint *min_width,
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gint *nat_width)
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{
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EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
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gint real_min_width = 0;
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gint real_nat_width = 0;
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g_assert (EGG_IS_THREE_GRID (self));
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g_assert (column >= EGG_THREE_GRID_COLUMN_LEFT);
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g_assert (column <= EGG_THREE_GRID_COLUMN_RIGHT);
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g_assert (min_width != NULL);
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g_assert (nat_width != NULL);
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for (guint i = 0; i < priv->children->len; i++)
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{
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EggThreeGridChild *child = g_ptr_array_index (priv->children, i);
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if (child->column == column)
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{
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gint child_min_width;
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gint child_nat_width;
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gtk_widget_get_preferred_width (child->widget, &child_min_width, &child_nat_width);
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real_min_width = MAX (real_min_width, child_min_width);
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real_nat_width = MAX (real_nat_width, child_nat_width);
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}
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}
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*min_width = real_min_width;
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*nat_width = real_nat_width;
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}
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static void
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egg_three_grid_get_preferred_width (GtkWidget *widget,
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gint *min_width,
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gint *nat_width)
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{
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EggThreeGrid *self = (EggThreeGrid *)widget;
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EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
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GtkStyleContext *style_context;
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GtkBorder margin;
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gint min_widths[3];
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gint nat_widths[3];
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gint border_width;
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GtkStateFlags state;
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g_assert (EGG_IS_THREE_GRID (self));
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g_assert (min_width != NULL);
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g_assert (nat_width != NULL);
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style_context = gtk_widget_get_style_context (widget);
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state = gtk_style_context_get_state (style_context);
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gtk_style_context_get_margin (style_context, state, &margin);
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for (guint i = 0; i < 3; i++)
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egg_three_grid_get_column_width (self, i, &min_widths[i], &nat_widths[i]);
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border_width = gtk_container_get_border_width (GTK_CONTAINER (self));
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*min_width = MAX (min_widths[0], min_widths[2]) * 2 + min_widths[1] + margin.left + margin.right + (border_width * 2) + (priv->column_spacing * 2);
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*nat_width = MAX (nat_widths[0], nat_widths[2]) * 2 + nat_widths[1] + margin.left + margin.right + (border_width * 2) + (priv->column_spacing * 2);
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}
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static void
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row_info_merge (EggThreeGridRowInfo *row_info,
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const EggThreeGridRowInfo *other)
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{
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g_assert (row_info);
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g_assert (other);
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row_info->min_above_baseline = MAX (row_info->min_above_baseline, other->min_above_baseline);
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row_info->min_below_baseline = MAX (row_info->min_below_baseline, other->min_below_baseline);
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row_info->nat_above_baseline = MAX (row_info->nat_above_baseline, other->nat_above_baseline);
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row_info->nat_below_baseline = MAX (row_info->nat_below_baseline, other->nat_below_baseline);
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}
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static void
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update_row_info (GHashTable *hashtable,
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EggThreeGridChild *child)
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{
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GtkBaselinePosition baseline_position = GTK_BASELINE_POSITION_CENTER;
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EggThreeGridRowInfo *row_info;
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EggThreeGridRowInfo current = { 0 };
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g_assert (hashtable);
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g_assert (child);
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row_info = g_hash_table_lookup (hashtable, GINT_TO_POINTER (child->row));
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if (row_info == NULL)
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{
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row_info = g_new0 (EggThreeGridRowInfo, 1);
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row_info->row = child->row;
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g_hash_table_insert (hashtable, GINT_TO_POINTER (child->row), row_info);
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}
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/*
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* TODO:
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*
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* Allow setting baseline position per row. Right now we only support center
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* because that is the easiest thing to start with.
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*/
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if (child->min_baseline == -1)
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{
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if (baseline_position == GTK_BASELINE_POSITION_CENTER)
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{
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current.min_above_baseline = current.min_below_baseline = ceil (child->min_height / 2.0);
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current.nat_above_baseline = current.nat_below_baseline = ceil (child->min_height / 2.0);
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}
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else if (baseline_position == GTK_BASELINE_POSITION_TOP)
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{
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g_assert_not_reached ();
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}
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else if (baseline_position == GTK_BASELINE_POSITION_BOTTOM)
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{
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g_assert_not_reached ();
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}
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}
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else
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{
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current.min_above_baseline = child->min_baseline;
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current.min_below_baseline = child->min_height - child->min_baseline;
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current.nat_above_baseline = child->nat_baseline;
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current.nat_below_baseline = child->nat_height - child->nat_baseline;
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}
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row_info_merge (row_info, ¤t);
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}
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static void
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egg_three_grid_get_preferred_height_for_width (GtkWidget *widget,
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gint width,
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gint *min_height,
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gint *nat_height)
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{
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EggThreeGrid *self = (EggThreeGrid *)widget;
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EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
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g_autoptr(GHashTable) row_infos = NULL;
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EggThreeGridRowInfo *row_info;
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GtkStyleContext *style_context;
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GHashTableIter iter;
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GtkStateFlags state;
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GtkBorder margin;
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gint real_min_height = 0;
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gint real_nat_height = 0;
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gint column_min_widths[3];
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gint column_nat_widths[3];
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gint widths[3];
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gint border_width;
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gint n_rows;
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g_assert (EGG_IS_THREE_GRID (self));
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g_assert (min_height != NULL);
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g_assert (nat_height != NULL);
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border_width = gtk_container_get_border_width (GTK_CONTAINER (self));
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width -= border_width * 2;
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width -= priv->column_spacing * 2;
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style_context = gtk_widget_get_style_context (widget);
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state = gtk_style_context_get_state (style_context);
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gtk_style_context_get_margin (style_context, state, &margin);
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width -= margin.left + margin.right;
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egg_three_grid_get_column_width (self, EGG_THREE_GRID_COLUMN_LEFT, &column_min_widths[0], &column_nat_widths[0]);
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egg_three_grid_get_column_width (self, EGG_THREE_GRID_COLUMN_CENTER, &column_min_widths[1], &column_nat_widths[1]);
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egg_three_grid_get_column_width (self, EGG_THREE_GRID_COLUMN_RIGHT, &column_min_widths[2], &column_nat_widths[2]);
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if ((MAX (column_min_widths[0], column_min_widths[2]) * 2 + column_nat_widths[1]) > width)
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{
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widths[0] = column_min_widths[0];
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widths[2] = column_min_widths[2];
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widths[1] = width - widths[0] - widths[2];
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}
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else
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{
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/* Handle #1 and #2 */
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widths[1] = column_nat_widths[1];
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widths[0] = (width - widths[1]) / 2;
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widths[2] = width - widths[1] - widths[0];
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}
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row_infos = g_hash_table_new_full (NULL, NULL, NULL, g_free);
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for (guint i = 0; i < priv->children->len; i++)
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{
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EggThreeGridChild *child = g_ptr_array_index (priv->children, i);
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if (!gtk_widget_get_visible (child->widget) ||
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!gtk_widget_get_child_visible (child->widget))
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continue;
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gtk_widget_get_preferred_height_and_baseline_for_width (child->widget,
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widths[child->column],
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&child->min_height,
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&child->nat_height,
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&child->min_baseline,
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&child->nat_baseline);
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update_row_info (row_infos, child);
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}
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g_hash_table_iter_init (&iter, row_infos);
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while (g_hash_table_iter_next (&iter, NULL, (gpointer *)&row_info))
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{
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#if 0
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g_print ("Row %d: MIN Above %d Below %d\n",
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row_info->row,
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row_info->min_above_baseline, row_info->min_below_baseline);
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g_print ("Row %d: NAT Above %d Below %d\n",
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row_info->row,
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row_info->nat_above_baseline, row_info->nat_below_baseline);
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#endif
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real_min_height += row_info->min_above_baseline + row_info->min_below_baseline;
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real_nat_height += row_info->nat_above_baseline + row_info->nat_below_baseline;
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}
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real_min_height += border_width * 2;
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real_nat_height += border_width * 2;
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real_min_height += margin.top + margin.bottom;
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real_nat_height += margin.top + margin.bottom;
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n_rows = g_hash_table_size (row_infos);
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if (n_rows > 1)
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{
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real_min_height += (n_rows - 1) * priv->row_spacing;
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real_nat_height += (n_rows - 1) * priv->row_spacing;
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}
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*min_height = real_min_height;
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*nat_height = real_nat_height;
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#if 0
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g_print ("%d children in %d rows: %dx%d\n",
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priv->children->len,
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g_hash_table_size (row_infos),
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real_min_height, real_nat_height);
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#endif
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g_clear_pointer (&priv->row_infos, g_hash_table_unref);
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priv->row_infos = g_steal_pointer (&row_infos);
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}
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static gint
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sort_by_row (gconstpointer a,
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gconstpointer b)
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{
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const EggThreeGridRowInfo *info_a = a;
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const EggThreeGridRowInfo *info_b = b;
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return info_a->row - info_b->row;
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}
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static void
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egg_three_grid_size_allocate_children (EggThreeGrid *self,
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EggThreeGridColumn column,
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gint row,
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GtkAllocation *allocation,
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gint baseline)
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{
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EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
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g_assert (EGG_IS_THREE_GRID (self));
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g_assert (allocation != NULL);
|
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|
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for (guint i = 0; i < priv->children->len; i++)
|
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{
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EggThreeGridChild *child = g_ptr_array_index (priv->children, i);
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||||
|
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if (child->row == row && child->column == column)
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{
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GtkAllocation copy = *allocation;
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gtk_widget_size_allocate_with_baseline (child->widget, ©, baseline);
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}
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}
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||||
}
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||||
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static void
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egg_three_grid_size_allocate (GtkWidget *widget,
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||||
GtkAllocation *allocation)
|
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{
|
||||
EggThreeGrid *self = (EggThreeGrid *)widget;
|
||||
EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
|
||||
g_autofree GtkRequestedSize *rows = NULL;
|
||||
const GList *iter;
|
||||
GtkStyleContext *style_context;
|
||||
GtkAllocation area;
|
||||
GtkTextDirection dir;
|
||||
GList *values;
|
||||
GtkStateFlags state;
|
||||
GtkBorder margin;
|
||||
guint i;
|
||||
guint n_rows;
|
||||
gint min_height;
|
||||
gint nat_height;
|
||||
gint border_width;
|
||||
gint left_min_width;
|
||||
gint left_nat_width;
|
||||
gint center_min_width;
|
||||
gint center_nat_width;
|
||||
gint right_min_width;
|
||||
gint right_nat_width;
|
||||
gint left;
|
||||
gint center;
|
||||
gint right;
|
||||
|
||||
g_assert (EGG_IS_THREE_GRID (self));
|
||||
g_assert (allocation != NULL);
|
||||
|
||||
area = *allocation;
|
||||
|
||||
style_context = gtk_widget_get_style_context (widget);
|
||||
state = gtk_style_context_get_state (style_context);
|
||||
gtk_style_context_get_margin (style_context, state, &margin);
|
||||
border_width = gtk_container_get_border_width (GTK_CONTAINER (self));
|
||||
|
||||
area.x += border_width;
|
||||
area.y += border_width;
|
||||
area.width -= border_width * 2;
|
||||
area.height -= border_width * 2;
|
||||
|
||||
area.x += margin.left;
|
||||
area.width -= margin.right + margin.left;
|
||||
area.y += margin.top;
|
||||
area.height -= margin.top + margin.bottom;
|
||||
|
||||
gtk_widget_set_allocation (widget, &area);
|
||||
|
||||
dir = gtk_widget_get_direction (widget);
|
||||
|
||||
egg_three_grid_get_preferred_height_for_width (widget, allocation->width, &min_height, &nat_height);
|
||||
|
||||
if (min_height > allocation->height)
|
||||
g_warning ("%s requested a minimum height of %d and got %d",
|
||||
G_OBJECT_TYPE_NAME (widget), min_height, allocation->height);
|
||||
|
||||
if (priv->row_infos == NULL)
|
||||
return;
|
||||
|
||||
values = g_hash_table_get_values (priv->row_infos);
|
||||
values = g_list_sort (values, sort_by_row);
|
||||
|
||||
egg_three_grid_get_column_width (self, EGG_THREE_GRID_COLUMN_LEFT, &left_min_width, &left_nat_width);
|
||||
egg_three_grid_get_column_width (self, EGG_THREE_GRID_COLUMN_CENTER, ¢er_min_width, ¢er_nat_width);
|
||||
egg_three_grid_get_column_width (self, EGG_THREE_GRID_COLUMN_RIGHT, &right_min_width, &right_nat_width);
|
||||
|
||||
/*
|
||||
* Determine how much to give to the center widget first. This is because we will
|
||||
* just give the rest of the space on the sides to left/right columns and they
|
||||
* can deal with alignment by using halign.
|
||||
*
|
||||
* We can be in one of a couple states:
|
||||
*
|
||||
* 1) There is enough room for all columns natural size.
|
||||
* (We allocate the same to the left and the right).
|
||||
* 2) There is enough for the natural size of the center
|
||||
* but for some amount between natural and min sizing
|
||||
* of the left/right columns.
|
||||
* 3) There is only minimum size for columns and some
|
||||
* amount between natural/minimum of the center.
|
||||
*
|
||||
* We can handle #1 and #2 with the same logic though.
|
||||
*/
|
||||
|
||||
if ((MAX (left_min_width, right_min_width) * 2 + center_nat_width + 2 * priv->column_spacing) > area.width)
|
||||
{
|
||||
/* Handle #3 */
|
||||
left = right = MAX (left_min_width, right_min_width);
|
||||
center = area.width - left - right - 2 * priv->column_spacing;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Handle #1 and #2 */
|
||||
center = center_nat_width;
|
||||
right = left = (area.width - center) / 2 - priv->column_spacing;
|
||||
}
|
||||
|
||||
n_rows = g_list_length (values);
|
||||
rows = g_new0 (GtkRequestedSize, n_rows);
|
||||
|
||||
for (iter = values, i = 0; iter != NULL; iter = iter->next, i++)
|
||||
{
|
||||
EggThreeGridRowInfo *row_info = iter->data;
|
||||
|
||||
rows[i].data = row_info;
|
||||
rows[i].minimum_size = row_info->min_above_baseline + row_info->min_below_baseline;
|
||||
rows[i].natural_size = row_info->nat_above_baseline + row_info->nat_below_baseline;
|
||||
}
|
||||
|
||||
gtk_distribute_natural_allocation (area.height, n_rows, rows);
|
||||
|
||||
for (i = 0; i < n_rows; i++)
|
||||
{
|
||||
GtkRequestedSize *size = &rows[i];
|
||||
EggThreeGridRowInfo *row_info = size->data;
|
||||
GtkAllocation child_alloc;
|
||||
gint baseline;
|
||||
|
||||
if (row_info->nat_above_baseline + row_info->nat_below_baseline < size->minimum_size)
|
||||
baseline = row_info->nat_above_baseline;
|
||||
else
|
||||
baseline = row_info->min_above_baseline;
|
||||
|
||||
child_alloc.x = area.x;
|
||||
child_alloc.width = left;
|
||||
child_alloc.y = area.y;
|
||||
child_alloc.height = size->minimum_size;
|
||||
if (dir == GTK_TEXT_DIR_LTR)
|
||||
egg_three_grid_size_allocate_children (self, EGG_THREE_GRID_COLUMN_LEFT, row_info->row, &child_alloc, baseline);
|
||||
else
|
||||
egg_three_grid_size_allocate_children (self, EGG_THREE_GRID_COLUMN_RIGHT, row_info->row, &child_alloc, baseline);
|
||||
|
||||
child_alloc.x = area.x + left + priv->column_spacing;
|
||||
child_alloc.width = center;
|
||||
child_alloc.y = area.y;
|
||||
child_alloc.height = size->minimum_size;
|
||||
egg_three_grid_size_allocate_children (self, EGG_THREE_GRID_COLUMN_CENTER, row_info->row, &child_alloc, baseline);
|
||||
|
||||
child_alloc.x = area.x + area.width - right;
|
||||
child_alloc.width = right;
|
||||
child_alloc.y = area.y;
|
||||
child_alloc.height = size->minimum_size;
|
||||
if (dir == GTK_TEXT_DIR_LTR)
|
||||
egg_three_grid_size_allocate_children (self, EGG_THREE_GRID_COLUMN_RIGHT, row_info->row, &child_alloc, baseline);
|
||||
else
|
||||
egg_three_grid_size_allocate_children (self, EGG_THREE_GRID_COLUMN_LEFT, row_info->row, &child_alloc, baseline);
|
||||
|
||||
area.y += child_alloc.height + priv->row_spacing;
|
||||
area.height -= child_alloc.height + priv->row_spacing;
|
||||
}
|
||||
|
||||
g_list_free (values);
|
||||
}
|
||||
|
||||
static void
|
||||
egg_three_grid_forall (GtkContainer *container,
|
||||
gboolean include_internals,
|
||||
GtkCallback callback,
|
||||
gpointer user_data)
|
||||
{
|
||||
EggThreeGrid *self = (EggThreeGrid *)container;
|
||||
EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
|
||||
|
||||
g_assert (GTK_IS_CONTAINER (self));
|
||||
g_assert (callback != NULL);
|
||||
|
||||
for (guint i = priv->children->len; i > 0; i--)
|
||||
{
|
||||
EggThreeGridChild *child = g_ptr_array_index (priv->children, i - 1);
|
||||
|
||||
callback (child->widget, user_data);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
egg_three_grid_get_child_property (GtkContainer *container,
|
||||
GtkWidget *widget,
|
||||
guint prop_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
EggThreeGrid *self = (EggThreeGrid *)container;
|
||||
EggThreeGridChild *child = egg_three_grid_find_child (self, widget);
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case CHILD_PROP_COLUMN:
|
||||
g_value_set_enum (value, child->column);
|
||||
break;
|
||||
|
||||
case CHILD_PROP_ROW:
|
||||
g_value_set_uint (value, child->row);
|
||||
break;
|
||||
|
||||
default:
|
||||
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
egg_three_grid_set_child_property (GtkContainer *container,
|
||||
GtkWidget *widget,
|
||||
guint prop_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
EggThreeGrid *self = (EggThreeGrid *)container;
|
||||
EggThreeGridChild *child = egg_three_grid_find_child (self, widget);
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case CHILD_PROP_COLUMN:
|
||||
child->column = g_value_get_enum (value);
|
||||
break;
|
||||
|
||||
case CHILD_PROP_ROW:
|
||||
child->row = g_value_get_uint (value);
|
||||
break;
|
||||
|
||||
default:
|
||||
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, prop_id, pspec);
|
||||
}
|
||||
|
||||
gtk_widget_queue_resize (GTK_WIDGET (container));
|
||||
}
|
||||
|
||||
static void
|
||||
egg_three_grid_finalize (GObject *object)
|
||||
{
|
||||
EggThreeGrid *self = (EggThreeGrid *)object;
|
||||
EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
|
||||
|
||||
g_clear_pointer (&priv->row_infos, g_hash_table_unref);
|
||||
g_clear_pointer (&priv->children, g_ptr_array_unref);
|
||||
|
||||
G_OBJECT_CLASS (egg_three_grid_parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static void
|
||||
egg_three_grid_get_property (GObject *object,
|
||||
guint prop_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
EggThreeGrid *self = EGG_THREE_GRID (object);
|
||||
EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_COLUMN_SPACING:
|
||||
g_value_set_uint (value, priv->column_spacing);
|
||||
break;
|
||||
|
||||
case PROP_ROW_SPACING:
|
||||
g_value_set_uint (value, priv->row_spacing);
|
||||
break;
|
||||
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
egg_three_grid_set_property (GObject *object,
|
||||
guint prop_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
EggThreeGrid *self = EGG_THREE_GRID (object);
|
||||
EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
|
||||
|
||||
switch (prop_id)
|
||||
{
|
||||
case PROP_COLUMN_SPACING:
|
||||
priv->column_spacing = g_value_get_uint (value);
|
||||
gtk_widget_queue_resize (GTK_WIDGET (self));
|
||||
break;
|
||||
|
||||
case PROP_ROW_SPACING:
|
||||
priv->row_spacing = g_value_get_uint (value);
|
||||
gtk_widget_queue_resize (GTK_WIDGET (self));
|
||||
break;
|
||||
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
egg_three_grid_class_init (EggThreeGridClass *klass)
|
||||
{
|
||||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||||
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
|
||||
|
||||
object_class->finalize = egg_three_grid_finalize;
|
||||
object_class->get_property = egg_three_grid_get_property;
|
||||
object_class->set_property = egg_three_grid_set_property;
|
||||
|
||||
widget_class->get_request_mode = egg_three_grid_get_request_mode;
|
||||
widget_class->get_preferred_height_for_width = egg_three_grid_get_preferred_height_for_width;
|
||||
widget_class->get_preferred_width = egg_three_grid_get_preferred_width;
|
||||
widget_class->size_allocate = egg_three_grid_size_allocate;
|
||||
|
||||
container_class->add = egg_three_grid_add;
|
||||
container_class->forall = egg_three_grid_forall;
|
||||
container_class->get_child_property = egg_three_grid_get_child_property;
|
||||
container_class->remove = egg_three_grid_remove;
|
||||
container_class->set_child_property = egg_three_grid_set_child_property;
|
||||
|
||||
properties [PROP_COLUMN_SPACING] =
|
||||
g_param_spec_uint ("column-spacing",
|
||||
"Column Spacing",
|
||||
"The amount of spacing to add between columns",
|
||||
0,
|
||||
G_MAXUINT,
|
||||
0,
|
||||
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
properties [PROP_ROW_SPACING] =
|
||||
g_param_spec_uint ("row-spacing",
|
||||
"Row Spacing",
|
||||
"The amount of spacing to add between rows",
|
||||
0,
|
||||
G_MAXUINT,
|
||||
0,
|
||||
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
g_object_class_install_properties (object_class, N_PROPS, properties);
|
||||
|
||||
child_properties [CHILD_PROP_COLUMN] =
|
||||
g_param_spec_enum ("column",
|
||||
"Column",
|
||||
"Column",
|
||||
EGG_TYPE_THREE_GRID_COLUMN,
|
||||
EGG_THREE_GRID_COLUMN_LEFT,
|
||||
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
child_properties [CHILD_PROP_ROW] =
|
||||
g_param_spec_uint ("row",
|
||||
"Row",
|
||||
"Row",
|
||||
0,
|
||||
G_MAXUINT,
|
||||
0,
|
||||
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
gtk_container_class_install_child_properties (container_class, N_CHILD_PROPS, child_properties);
|
||||
|
||||
gtk_widget_class_set_css_name (widget_class, "threegrid");
|
||||
}
|
||||
|
||||
static void
|
||||
egg_three_grid_init (EggThreeGrid *self)
|
||||
{
|
||||
EggThreeGridPrivate *priv = egg_three_grid_get_instance_private (self);
|
||||
|
||||
priv->children = g_ptr_array_new_with_free_func (egg_three_grid_child_free);
|
||||
|
||||
gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
|
||||
}
|
||||
|
||||
GtkWidget *
|
||||
egg_three_grid_new (void)
|
||||
{
|
||||
return g_object_new (EGG_TYPE_THREE_GRID, NULL);
|
||||
}
|
||||
|
||||
GType
|
||||
egg_three_grid_column_get_type (void)
|
||||
{
|
||||
static GType type_id;
|
||||
|
||||
if (g_once_init_enter (&type_id))
|
||||
{
|
||||
GType _type_id;
|
||||
static const GEnumValue values[] = {
|
||||
{ EGG_THREE_GRID_COLUMN_LEFT, "EGG_THREE_GRID_COLUMN_LEFT", "left" },
|
||||
{ EGG_THREE_GRID_COLUMN_CENTER, "EGG_THREE_GRID_COLUMN_CENTER", "center" },
|
||||
{ EGG_THREE_GRID_COLUMN_RIGHT, "EGG_THREE_GRID_COLUMN_RIGHT", "right" },
|
||||
{ 0 }
|
||||
};
|
||||
_type_id = g_enum_register_static ("EggThreeGridColumn", values);
|
||||
g_once_init_leave (&type_id, _type_id);
|
||||
}
|
||||
|
||||
return type_id;
|
||||
}
|
||||
45
src/libsysprof-ui/egg-three-grid.h
Normal file
45
src/libsysprof-ui/egg-three-grid.h
Normal file
@ -0,0 +1,45 @@
|
||||
/* egg-three-grid.h
|
||||
*
|
||||
* Copyright (C) 2016 Christian Hergert <chergert@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/>.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define EGG_TYPE_THREE_GRID (egg_three_grid_get_type())
|
||||
#define EGG_TYPE_THREE_GRID_COLUMN (egg_three_grid_column_get_type())
|
||||
|
||||
G_DECLARE_DERIVABLE_TYPE (EggThreeGrid, egg_three_grid, EGG, THREE_GRID, GtkContainer)
|
||||
|
||||
struct _EggThreeGridClass
|
||||
{
|
||||
GtkContainerClass parent_class;
|
||||
};
|
||||
|
||||
typedef enum
|
||||
{
|
||||
EGG_THREE_GRID_COLUMN_LEFT,
|
||||
EGG_THREE_GRID_COLUMN_CENTER,
|
||||
EGG_THREE_GRID_COLUMN_RIGHT
|
||||
} EggThreeGridColumn;
|
||||
|
||||
GType egg_three_grid_column_get_type (void);
|
||||
GtkWidget *egg_three_grid_new (void);
|
||||
|
||||
G_END_DECLS
|
||||
@ -13,6 +13,7 @@ libsysprof_ui_public_sources = [
|
||||
]
|
||||
|
||||
libsysprof_ui_private_sources = [
|
||||
'egg-three-grid.c',
|
||||
'pointcache.c',
|
||||
'rectangles.c',
|
||||
'sysprof-aid.c',
|
||||
|
||||
Reference in New Issue
Block a user