[sysprof/wip/gtk4-port: 52/132] visualizersframe: inherit from GtkWidget and port to GTK 4
- From: Christian Hergert <chergert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [sysprof/wip/gtk4-port: 52/132] visualizersframe: inherit from GtkWidget and port to GTK 4
- Date: Tue, 7 Dec 2021 08:29:11 +0000 (UTC)
commit 26650e9b2da42d66c91d38b2e8063b5c8b6204c5
Author: Christian Hergert <chergert redhat com>
Date: Thu Sep 30 15:20:52 2021 -0700
visualizersframe: inherit from GtkWidget and port to GTK 4
Lots that can go wrong here, and most likely we'll want to redo how
selections work over time to use a drag gesture instead of the sort
of annoying click/motion stuff we're doing here.
src/libsysprof-ui/sysprof-visualizers-frame.c | 279 +++++++++++--------------
src/libsysprof-ui/sysprof-visualizers-frame.h | 4 +-
src/libsysprof-ui/sysprof-visualizers-frame.ui | 4 +-
3 files changed, 124 insertions(+), 163 deletions(-)
---
diff --git a/src/libsysprof-ui/sysprof-visualizers-frame.c b/src/libsysprof-ui/sysprof-visualizers-frame.c
index 96da31b9..9df1c204 100644
--- a/src/libsysprof-ui/sysprof-visualizers-frame.c
+++ b/src/libsysprof-ui/sysprof-visualizers-frame.c
@@ -30,7 +30,7 @@
struct _SysprofVisualizersFrame
{
- GtkBin parent_instance;
+ GtkWidget parent_instance;
/* Drag selection tracking */
SysprofSelection *selection;
@@ -65,13 +65,13 @@ typedef struct
{
GtkListBox *list;
GtkStyleContext *style_context;
- cairo_t *cr;
+ GtkSnapshot *snapshot;
GtkAllocation alloc;
gint64 begin_time;
gint64 duration;
} SelectionDraw;
-G_DEFINE_TYPE (SysprofVisualizersFrame, sysprof_visualizers_frame, GTK_TYPE_BIN)
+G_DEFINE_TYPE (SysprofVisualizersFrame, sysprof_visualizers_frame, GTK_TYPE_WIDGET)
enum {
PROP_0,
@@ -115,7 +115,7 @@ draw_selection_cb (SysprofSelection *selection,
g_assert (SYSPROF_IS_SELECTION (selection));
g_assert (draw != NULL);
- g_assert (draw->cr != NULL);
+ g_assert (draw->snapshot != NULL);
g_assert (GTK_IS_LIST_BOX (draw->list));
x = (range_begin - draw->begin_time) / (gdouble)draw->duration;
@@ -132,29 +132,31 @@ draw_selection_cb (SysprofSelection *selection,
area.x -= area.width;
}
- gtk_render_background (draw->style_context, draw->cr, area.x + 2, area.y + 2, area.width - 4, area.height
- 4);
+ gtk_snapshot_render_background (draw->snapshot, draw->style_context, area.x + 2, area.y + 2, area.width -
4, area.height - 4);
}
-static gboolean
-visualizers_draw_after_cb (SysprofVisualizersFrame *self,
- cairo_t *cr,
- GtkListBox *list)
+static void
+sysprof_visualizers_frame_snapshot (GtkWidget *widget,
+ GtkSnapshot *snapshot)
{
+ SysprofVisualizersFrame *self = (SysprofVisualizersFrame *)widget;
SelectionDraw draw;
g_assert (SYSPROF_IS_VISUALIZERS_FRAME (self));
- g_assert (GTK_IS_LIST_BOX (list));
+ g_assert (GTK_IS_SNAPSHOT (snapshot));
+
+ GTK_WIDGET_CLASS (sysprof_visualizers_frame_parent_class)->snapshot (widget, snapshot);
- draw.style_context = gtk_widget_get_style_context (GTK_WIDGET (list));
- draw.list = list;
- draw.cr = cr;
+ draw.style_context = gtk_widget_get_style_context (GTK_WIDGET (self->visualizers));
+ draw.list = self->visualizers;
+ draw.snapshot = snapshot;
draw.begin_time = self->begin_time;
draw.duration = sysprof_visualizer_get_duration (SYSPROF_VISUALIZER (self->ticks));
if (draw.duration == 0)
- return GDK_EVENT_PROPAGATE;
+ return;
- gtk_widget_get_allocation (GTK_WIDGET (list), &draw.alloc);
+ gtk_widget_get_allocation (GTK_WIDGET (self->visualizers), &draw.alloc);
if (sysprof_selection_get_has_selection (self->selection) || self->button_pressed)
{
@@ -164,72 +166,59 @@ visualizers_draw_after_cb (SysprofVisualizersFrame *self,
draw_selection_cb (self->selection, self->drag_begin_at, self->drag_selection_at, &draw);
gtk_style_context_remove_class (draw.style_context, "selection");
}
-
- return GDK_EVENT_PROPAGATE;
}
static void
-visualizers_realize_after_cb (SysprofVisualizersFrame *self,
- GtkListBox *list)
+visualizers_button_press_event_cb (SysprofVisualizersFrame *self,
+ int n_presses,
+ double x,
+ double y,
+ GtkGestureClick *gesture)
{
- GdkDisplay *display;
- GdkWindow *window;
- GdkCursor *cursor;
+ GdkModifierType state;
+ guint button;
g_assert (SYSPROF_IS_VISUALIZERS_FRAME (self));
- g_assert (GTK_IS_LIST_BOX (list));
+ g_assert (GTK_IS_GESTURE_CLICK (gesture));
- window = gtk_widget_get_window (GTK_WIDGET (list));
- display = gdk_window_get_display (window);
- cursor = gdk_cursor_new_from_name (display, "text");
- gdk_window_set_cursor (window, cursor);
- g_clear_object (&cursor);
-}
-
-static gboolean
-visualizers_button_press_event_cb (SysprofVisualizersFrame *self,
- GdkEventButton *ev,
- GtkListBox *visualizers)
-{
- g_assert (SYSPROF_IS_VISUALIZERS_FRAME (self));
- g_assert (ev != NULL);
- g_assert (GTK_IS_LIST_BOX (visualizers));
+ button = gtk_gesture_single_get_button (GTK_GESTURE_SINGLE (gesture));
- if (ev->button != GDK_BUTTON_PRIMARY)
+ if (button != GDK_BUTTON_PRIMARY)
{
if (sysprof_selection_get_has_selection (self->selection))
- {
- sysprof_selection_unselect_all (self->selection);
- return GDK_EVENT_STOP;
- }
-
- return GDK_EVENT_PROPAGATE;
+ sysprof_selection_unselect_all (self->selection);
+ return;
}
- if ((ev->state & GDK_SHIFT_MASK) == 0)
+ state = gtk_event_controller_get_current_event_state (GTK_EVENT_CONTROLLER (gesture));
+
+ if ((state & GDK_SHIFT_MASK) == 0)
sysprof_selection_unselect_all (self->selection);
self->button_pressed = TRUE;
- self->drag_begin_at = get_time_from_x (self, ev->x);
+ self->drag_begin_at = get_time_from_x (self, x);
self->drag_selection_at = self->drag_begin_at;
- gtk_widget_queue_draw (GTK_WIDGET (visualizers));
-
- return GDK_EVENT_PROPAGATE;
+ gtk_widget_queue_draw (GTK_WIDGET (self));
}
-static gboolean
+static void
visualizers_button_release_event_cb (SysprofVisualizersFrame *self,
- GdkEventButton *ev,
- GtkListBox *list)
+ int n_release,
+ double x,
+ double y,
+ GtkGestureClick *gesture)
{
+ guint button;
+
g_assert (SYSPROF_IS_VISUALIZERS_FRAME (self));
- g_assert (ev != NULL);
- g_assert (GTK_IS_LIST_BOX (list));
+ g_assert (GTK_IS_GESTURE_CLICK (gesture));
- if (!self->button_pressed || ev->button != GDK_BUTTON_PRIMARY)
- return GDK_EVENT_PROPAGATE;
+ button = gtk_gesture_single_get_button (GTK_GESTURE_SINGLE (gesture));
+
+ if (!self->button_pressed || button != GDK_BUTTON_PRIMARY)
+ return;
self->button_pressed = FALSE;
@@ -242,46 +231,33 @@ visualizers_button_release_event_cb (SysprofVisualizersFrame *self,
self->drag_selection_at = -1;
}
- gtk_widget_queue_draw (GTK_WIDGET (list));
-
- return GDK_EVENT_STOP;
+ gtk_widget_queue_draw (GTK_WIDGET (self));
}
-static gboolean
-visualizers_motion_notify_event_cb (SysprofVisualizersFrame *self,
- GdkEventMotion *ev,
- GtkListBox *list)
+static void
+visualizers_motion_notify_event_cb (SysprofVisualizersFrame *self,
+ double x,
+ double y,
+ GtkEventControllerMotion *motion)
{
g_assert (SYSPROF_IS_VISUALIZERS_FRAME (self));
- g_assert (ev != NULL);
- g_assert (GTK_IS_LIST_BOX (list));
-
- if (!self->button_pressed)
- return GDK_EVENT_PROPAGATE;
-
- self->drag_selection_at = get_time_from_x (self, ev->x);
+ g_assert (GTK_IS_EVENT_CONTROLLER_MOTION (motion));
- gtk_widget_queue_draw (GTK_WIDGET (list));
-
- return GDK_EVENT_PROPAGATE;
-}
-
-static void
-set_children_width_request_cb (GtkWidget *widget,
- gpointer data)
-{
- gtk_widget_set_size_request (widget, GPOINTER_TO_INT (data), -1);
+ if (self->button_pressed)
+ {
+ self->drag_selection_at = get_time_from_x (self, x);
+ gtk_widget_queue_draw (GTK_WIDGET (self));
+ }
}
static void
-set_children_width_request (GtkContainer *container,
- gint width)
+set_children_width_request (GtkWidget *widget,
+ int width)
{
- g_assert (GTK_IS_CONTAINER (container));
-
- gtk_container_foreach (container,
- set_children_width_request_cb,
- GINT_TO_POINTER (width));
+ for (GtkWidget *child = gtk_widget_get_first_child (widget);
+ child;
+ child = gtk_widget_get_next_sibling (child))
+ gtk_widget_set_size_request (child, width, -1);
}
static void
@@ -297,8 +273,8 @@ sysprof_visualizers_frame_notify_zoom (SysprofVisualizersFrame *self,
duration = self->end_time - self->begin_time;
data_width = sysprof_zoom_manager_get_width_for_duration (self->zoom_manager, duration);
- set_children_width_request (GTK_CONTAINER (self->ticks_viewport), data_width);
- set_children_width_request (GTK_CONTAINER (self->visualizers_viewport), data_width);
+ set_children_width_request (GTK_WIDGET (self->ticks_viewport), data_width);
+ set_children_width_request (GTK_WIDGET (self->visualizers_viewport), data_width);
}
static gint
@@ -306,17 +282,16 @@ find_pos (SysprofVisualizersFrame *self,
const gchar *title,
gint priority)
{
- GList *list;
gint pos = 0;
if (title == NULL)
return -1;
- list = gtk_container_get_children (GTK_CONTAINER (self->visualizers));
-
- for (const GList *iter = list; iter; iter = iter->next)
+ for (GtkWidget *child = gtk_widget_get_first_child (GTK_WIDGET (self->visualizers));
+ child;
+ child = gtk_widget_get_next_sibling (child))
{
- SysprofVisualizerGroup *group = iter->data;
+ SysprofVisualizerGroup *group = SYSPROF_VISUALIZER_GROUP (child);
gint prio = sysprof_visualizer_group_get_priority (group);
const gchar *item = sysprof_visualizer_group_get_title (group);
@@ -327,41 +302,34 @@ find_pos (SysprofVisualizersFrame *self,
pos++;
}
- g_list_free (list);
-
return pos;
}
-static void
-sysprof_visualizers_frame_add (GtkContainer *container,
- GtkWidget *child)
+void
+sysprof_visualizers_frame_add_group (SysprofVisualizersFrame *self,
+ SysprofVisualizerGroup *group)
{
- SysprofVisualizersFrame *self = (SysprofVisualizersFrame *)container;
-
- g_assert (SYSPROF_IS_VISUALIZERS_FRAME (self));
- g_assert (GTK_IS_WIDGET (child));
-
- if (SYSPROF_IS_VISUALIZER_GROUP (child))
- {
- SysprofVisualizerGroupHeader *header;
- const gchar *title = sysprof_visualizer_group_get_title (SYSPROF_VISUALIZER_GROUP (child));
- gint priority = sysprof_visualizer_group_get_priority (SYSPROF_VISUALIZER_GROUP (child));
- gint pos = find_pos (self, title, priority);
+ SysprofVisualizerGroupHeader *header;
+ const char *title;
+ int priority;
+ int pos;
- gtk_list_box_insert (self->visualizers, child, pos);
+ g_return_if_fail (SYSPROF_IS_VISUALIZERS_FRAME (self));
+ g_return_if_fail (SYSPROF_IS_VISUALIZER_GROUP (group));
- header = _sysprof_visualizer_group_header_new ();
- g_object_set_data (G_OBJECT (header), "VISUALIZER_GROUP", child);
- gtk_list_box_insert (self->groups, GTK_WIDGET (header), pos);
- _sysprof_visualizer_group_set_header (SYSPROF_VISUALIZER_GROUP (child), header);
- gtk_widget_show (GTK_WIDGET (header));
+ title = sysprof_visualizer_group_get_title (group);
+ priority = sysprof_visualizer_group_get_priority (group);
+ pos = find_pos (self, title, priority);
- sysprof_visualizers_frame_notify_zoom (self, NULL, self->zoom_manager);
+ gtk_list_box_insert (self->visualizers, GTK_WIDGET (group), pos);
- return;
- }
+ header = _sysprof_visualizer_group_header_new ();
+ g_object_set_data (G_OBJECT (header), "VISUALIZER_GROUP", group);
+ gtk_list_box_insert (self->groups, GTK_WIDGET (header), pos);
+ _sysprof_visualizer_group_set_header (group, header);
+ gtk_widget_show (GTK_WIDGET (header));
- GTK_CONTAINER_CLASS (sysprof_visualizers_frame_parent_class)->add (container, child);
+ sysprof_visualizers_frame_notify_zoom (self, NULL, self->zoom_manager);
}
static void
@@ -392,17 +360,16 @@ sysprof_visualizers_frame_group_activated_cb (SysprofVisualizersFrame *self
}
static void
-sysprof_visualizers_frame_size_allocate (GtkWidget *widget,
- GtkAllocation *alloc)
+sysprof_visualizers_frame_size_allocate (GtkWidget *widget,
+ int width,
+ int height,
+ int baseline)
{
SysprofVisualizersFrame *self = (SysprofVisualizersFrame *)widget;
g_assert (SYSPROF_IS_VISUALIZERS_FRAME (self));
- g_assert (alloc != NULL);
sysprof_scrollmap_set_time_range (self->hscrollbar, self->begin_time, self->end_time);
-
- GTK_WIDGET_CLASS (sysprof_visualizers_frame_parent_class)->size_allocate (widget, alloc);
}
static void
@@ -443,16 +410,15 @@ sysprof_visualizers_frame_class_init (SysprofVisualizersFrameClass *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 = sysprof_visualizers_frame_finalize;
object_class->get_property = sysprof_visualizers_frame_get_property;
widget_class->size_allocate = sysprof_visualizers_frame_size_allocate;
-
- container_class->add = sysprof_visualizers_frame_add;
+ widget_class->snapshot = sysprof_visualizers_frame_snapshot;
gtk_widget_class_set_template_from_resource (widget_class,
"/org/gnome/sysprof/ui/sysprof-visualizers-frame.ui");
+ gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
gtk_widget_class_set_css_name (widget_class, "SysprofVisualizersFrame");
gtk_widget_class_bind_template_child (widget_class, SysprofVisualizersFrame, groups);
gtk_widget_class_bind_template_child (widget_class, SysprofVisualizersFrame, hscrollbar);
@@ -491,11 +457,36 @@ sysprof_visualizers_frame_class_init (SysprofVisualizersFrameClass *klass)
static void
sysprof_visualizers_frame_init (SysprofVisualizersFrame *self)
{
+ GtkEventController *controller;
GtkAdjustment *hadj;
GtkAdjustment *zadj;
gtk_widget_init_template (GTK_WIDGET (self));
+ gtk_widget_set_cursor_from_name (GTK_WIDGET (self), "text");
+
+ controller = GTK_EVENT_CONTROLLER (gtk_gesture_click_new ());
+ g_signal_connect_object (controller,
+ "pressed",
+ G_CALLBACK (visualizers_button_press_event_cb),
+ self,
+ G_CONNECT_SWAPPED);
+ g_signal_connect_object (controller,
+ "released",
+ G_CALLBACK (visualizers_button_release_event_cb),
+ self,
+ G_CONNECT_SWAPPED);
+ gtk_event_controller_set_propagation_phase (controller, GTK_PHASE_CAPTURE);
+ gtk_widget_add_controller (GTK_WIDGET (self->visualizers), controller);
+
+ controller = gtk_event_controller_motion_new ();
+ g_signal_connect_object (controller,
+ "motion",
+ G_CALLBACK (visualizers_motion_notify_event_cb),
+ self,
+ G_CONNECT_SWAPPED);
+ gtk_widget_add_controller (GTK_WIDGET (self->visualizers), controller);
+
self->selection = g_object_new (SYSPROF_TYPE_SELECTION, NULL);
zadj = sysprof_zoom_manager_get_adjustment (self->zoom_manager);
@@ -521,36 +512,6 @@ sysprof_visualizers_frame_init (SysprofVisualizersFrame *self)
self,
G_CONNECT_SWAPPED);
- g_signal_connect_object (self->visualizers,
- "draw",
- G_CALLBACK (visualizers_draw_after_cb),
- self,
- G_CONNECT_SWAPPED | G_CONNECT_AFTER);
-
- g_signal_connect_object (self->visualizers,
- "realize",
- G_CALLBACK (visualizers_realize_after_cb),
- self,
- G_CONNECT_SWAPPED | G_CONNECT_AFTER);
-
- g_signal_connect_object (self->visualizers,
- "button-press-event",
- G_CALLBACK (visualizers_button_press_event_cb),
- self,
- G_CONNECT_SWAPPED);
-
- g_signal_connect_object (self->visualizers,
- "button-release-event",
- G_CALLBACK (visualizers_button_release_event_cb),
- self,
- G_CONNECT_SWAPPED);
-
- g_signal_connect_object (self->visualizers,
- "motion-notify-event",
- G_CALLBACK (visualizers_motion_notify_event_cb),
- self,
- G_CONNECT_SWAPPED);
-
g_signal_connect_object (self->zoom_manager,
"notify::zoom",
G_CALLBACK (sysprof_visualizers_frame_notify_zoom),
diff --git a/src/libsysprof-ui/sysprof-visualizers-frame.h b/src/libsysprof-ui/sysprof-visualizers-frame.h
index 103953fd..3217ab57 100644
--- a/src/libsysprof-ui/sysprof-visualizers-frame.h
+++ b/src/libsysprof-ui/sysprof-visualizers-frame.h
@@ -30,8 +30,10 @@ G_BEGIN_DECLS
#define SYSPROF_TYPE_VISUALIZERS_FRAME (sysprof_visualizers_frame_get_type())
-G_DECLARE_FINAL_TYPE (SysprofVisualizersFrame, sysprof_visualizers_frame, SYSPROF, VISUALIZERS_FRAME, GtkBin)
+G_DECLARE_FINAL_TYPE (SysprofVisualizersFrame, sysprof_visualizers_frame, SYSPROF, VISUALIZERS_FRAME,
GtkWidget)
+void sysprof_visualizers_frame_add_group (SysprofVisualizersFrame *self,
+ SysprofVisualizerGroup *group);
SysprofSelection *sysprof_visualizers_frame_get_selection (SysprofVisualizersFrame *self);
SysprofVisualizerGroup *sysprof_visualizers_frame_get_selected_group (SysprofVisualizersFrame *self);
SysprofZoomManager *sysprof_visualizers_frame_get_zoom_manager (SysprofVisualizersFrame *self);
diff --git a/src/libsysprof-ui/sysprof-visualizers-frame.ui b/src/libsysprof-ui/sysprof-visualizers-frame.ui
index f1d5777c..53f1bcfc 100644
--- a/src/libsysprof-ui/sysprof-visualizers-frame.ui
+++ b/src/libsysprof-ui/sysprof-visualizers-frame.ui
@@ -1,8 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.0 -->
<interface>
- <requires lib="gtk+" version="3.22"/>
- <template class="SysprofVisualizersFrame" parent="GtkBin">
+ <template class="SysprofVisualizersFrame" parent="GtkWidget">
<property name="can_focus">False</property>
<child>
<object class="GtkBox">
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