diff options
Diffstat (limited to 'liblogdiag/ld-category-symbol-view.c')
| -rw-r--r-- | liblogdiag/ld-category-symbol-view.c | 412 |
1 files changed, 202 insertions, 210 deletions
diff --git a/liblogdiag/ld-category-symbol-view.c b/liblogdiag/ld-category-symbol-view.c index aa3fe8c..a2ae4cc 100644 --- a/liblogdiag/ld-category-symbol-view.c +++ b/liblogdiag/ld-category-symbol-view.c @@ -75,13 +75,6 @@ static void ld_category_symbol_view_set_category static LdCategory *ld_category_symbol_view_get_category (LdCategoryView *iface); -static void on_size_request (GtkWidget *widget, GtkRequisition *requisition, - gpointer user_data); -static void on_size_allocate (GtkWidget *widget, GdkRectangle *allocation, - gpointer user_data); -static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, - gpointer user_data); - static void ld_category_view_init (LdCategoryViewInterface *iface) @@ -136,125 +129,6 @@ symbol_deselect (LdCategorySymbolView *self) gtk_drag_source_unset (GTK_WIDGET (self)); } -static gboolean -on_leave_notify (GtkWidget *widget, GdkEventCrossing *event, gpointer user_data) -{ - symbol_deselect (LD_CATEGORY_SYMBOL_VIEW (widget)); - return FALSE; -} - -static gboolean -on_motion_notify (GtkWidget *widget, GdkEventMotion *event, gpointer user_data) -{ - LdCategorySymbolView *self; - GSList *iter; - - if (event->state & GDK_BUTTON1_MASK) - return FALSE; - - self = LD_CATEGORY_SYMBOL_VIEW (widget); - for (iter = self->priv->layout; iter; iter = iter->next) - { - SymbolData *data; - - data = iter->data; - if (event->x < data->rect.x - || event->y < data->rect.y - || event->x >= data->rect.x + data->rect.width - || event->y >= data->rect.y + data->rect.height) - continue; - - if (data != self->priv->preselected) - { - GtkTargetEntry target = {"ld-symbol", GTK_TARGET_SAME_APP, 0}; - - symbol_deselect (self); - self->priv->preselected = data; - symbol_redraw (self, data); - - gtk_drag_source_set (widget, - GDK_BUTTON1_MASK, &target, 1, GDK_ACTION_COPY); - - g_signal_emit (self, LD_CATEGORY_VIEW_GET_INTERFACE (self)-> - symbol_selected_signal, 0, data->symbol, data->path); - } - return FALSE; - } - - symbol_deselect (self); - return FALSE; -} - -static void -on_drag_data_get -(GtkWidget *widget, GdkDragContext *ctx, GtkSelectionData *selection_data, - guint target_type, guint time, gpointer user_data) -{ - LdCategorySymbolView *self; - - self = LD_CATEGORY_SYMBOL_VIEW (widget); - g_return_if_fail (self->priv->preselected != NULL); - - gtk_selection_data_set (selection_data, - gtk_selection_data_get_target (selection_data), - 8, (guchar *) self->priv->preselected->path, - strlen (self->priv->preselected->path)); -} - -static void -on_drag_begin (GtkWidget *widget, GdkDragContext *ctx, gpointer user_data) -{ - LdCategorySymbolView *self; - GdkPixbuf *pbuf; - - self = LD_CATEGORY_SYMBOL_VIEW (widget); - g_return_if_fail (self->priv->preselected != NULL); - - /* Some of the larger previews didn't work, and we have to get rid of - * the icon later when we're hovering above LdDiagramView anyway. */ - pbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 1, 1); - gdk_pixbuf_fill (pbuf, 0x00000000); - gtk_drag_set_icon_pixbuf (ctx, pbuf, 0, 0); - g_object_unref (pbuf); -} - -static void -on_drag_end (GtkWidget *widget, GdkDragContext *ctx, gpointer user_data) -{ - symbol_deselect (LD_CATEGORY_SYMBOL_VIEW (widget)); -} - -static void -ld_category_symbol_view_init (LdCategorySymbolView *self) -{ - self->priv = G_TYPE_INSTANCE_GET_PRIVATE - (self, LD_TYPE_CATEGORY_SYMBOL_VIEW, LdCategorySymbolViewPrivate); - - g_signal_connect (self, "size-allocate", - G_CALLBACK (on_size_allocate), NULL); - g_signal_connect (self, "size-request", - G_CALLBACK (on_size_request), NULL); - g_signal_connect (self, "expose-event", - G_CALLBACK (on_expose_event), NULL); - - g_signal_connect (self, "motion-notify-event", - G_CALLBACK (on_motion_notify), NULL); - g_signal_connect (self, "leave-notify-event", - G_CALLBACK (on_leave_notify), NULL); - - g_signal_connect (self, "drag-begin", - G_CALLBACK (on_drag_begin), NULL); - g_signal_connect (self, "drag-data-get", - G_CALLBACK (on_drag_data_get), NULL); - g_signal_connect (self, "drag-end", - G_CALLBACK (on_drag_end), NULL); - - gtk_widget_add_events (GTK_WIDGET (self), - GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK - | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK - | GDK_LEAVE_NOTIFY_MASK); -} - static void symbol_data_free (SymbolData *self) { @@ -263,64 +137,6 @@ symbol_data_free (SymbolData *self) g_slice_free (SymbolData, self); } -static void -layout_destroy (LdCategorySymbolView *self) -{ - symbol_deselect (self); - - g_slist_foreach (self->priv->layout, (GFunc) symbol_data_free, NULL); - g_slist_free (self->priv->layout); - self->priv->layout = NULL; - self->priv->preselected = NULL; -} - -static void -ld_category_symbol_view_finalize (GObject *gobject) -{ - LdCategorySymbolView *self; - - self = LD_CATEGORY_SYMBOL_VIEW (gobject); - - layout_destroy (self); - if (self->priv->category) - g_object_unref (self->priv->category); - g_free (self->priv->path); - - /* Chain up to the parent class. */ - G_OBJECT_CLASS (ld_category_symbol_view_parent_class)->finalize (gobject); -} - -static void -ld_category_symbol_view_get_property (GObject *object, guint property_id, - GValue *value, GParamSpec *pspec) -{ - switch (property_id) - { - case PROP_CATEGORY: - g_value_set_object (value, - ld_category_view_get_category (LD_CATEGORY_VIEW (object))); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - } -} - -static void -ld_category_symbol_view_set_property (GObject *object, guint property_id, - const GValue *value, GParamSpec *pspec) -{ - switch (property_id) - { - case PROP_CATEGORY: - ld_category_view_set_category (LD_CATEGORY_VIEW (object), - LD_CATEGORY (g_value_get_object (value))); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); - } -} - - typedef struct { guint total_height; /* Total height required to show the symbols. */ @@ -333,6 +149,17 @@ typedef struct } LayoutContext; +static void +layout_destroy (LdCategorySymbolView *self) +{ + symbol_deselect (self); + + g_slist_foreach (self->priv->layout, (GFunc) symbol_data_free, NULL); + g_slist_free (self->priv->layout); + self->priv->layout = NULL; + self->priv->preselected = NULL; +} + static GSList * layout_finish_row (LayoutContext *ctx) { @@ -433,6 +260,51 @@ layout_for_width (LdCategorySymbolView *self, gint width) return ctx.total_height; } +static void +on_size_request (GtkWidget *widget, GtkRequisition *requisition, + gpointer user_data) +{ + LdCategorySymbolView *self; + + self = LD_CATEGORY_SYMBOL_VIEW (widget); + + if (!self->priv->category + || !ld_category_get_symbols (self->priv->category)) + { + requisition->width = 0; + requisition->height = 0; + return; + } + + requisition->width = SYMBOL_WIDTH + 2 * SYMBOL_SPACING; + + if (self->priv->height_negotiation) + { + GtkAllocation alloc; + + gtk_widget_get_allocation (widget, &alloc); + requisition->height = layout_for_width (self, alloc.width); + } + else + requisition->height = SYMBOL_HEIGHT + 2 * SYMBOL_SPACING; +} + +static void +on_size_allocate (GtkWidget *widget, GdkRectangle *allocation, + gpointer user_data) +{ + LdCategorySymbolView *self; + + self = LD_CATEGORY_SYMBOL_VIEW (widget); + + if (self->priv->height_negotiation) + self->priv->height_negotiation = FALSE; + else + { + self->priv->height_negotiation = TRUE; + gtk_widget_queue_resize (widget); + } +} static gboolean on_expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data) @@ -481,53 +353,173 @@ on_expose_event (GtkWidget *widget, GdkEventExpose *event, gpointer user_data) return FALSE; } -static void -on_size_request (GtkWidget *widget, GtkRequisition *requisition, - gpointer user_data) +static gboolean +on_motion_notify (GtkWidget *widget, GdkEventMotion *event, gpointer user_data) { LdCategorySymbolView *self; + GSList *iter; - self = LD_CATEGORY_SYMBOL_VIEW (widget); + if (event->state & GDK_BUTTON1_MASK) + return FALSE; - if (!self->priv->category - || !ld_category_get_symbols (self->priv->category)) + self = LD_CATEGORY_SYMBOL_VIEW (widget); + for (iter = self->priv->layout; iter; iter = iter->next) { - requisition->width = 0; - requisition->height = 0; - return; - } + SymbolData *data; - requisition->width = SYMBOL_WIDTH + 2 * SYMBOL_SPACING; + data = iter->data; + if (event->x < data->rect.x + || event->y < data->rect.y + || event->x >= data->rect.x + data->rect.width + || event->y >= data->rect.y + data->rect.height) + continue; - if (self->priv->height_negotiation) - { - GtkAllocation alloc; + if (data != self->priv->preselected) + { + GtkTargetEntry target = {"ld-symbol", GTK_TARGET_SAME_APP, 0}; - gtk_widget_get_allocation (widget, &alloc); - requisition->height = layout_for_width (self, alloc.width); + symbol_deselect (self); + self->priv->preselected = data; + symbol_redraw (self, data); + + gtk_drag_source_set (widget, + GDK_BUTTON1_MASK, &target, 1, GDK_ACTION_COPY); + + g_signal_emit (self, LD_CATEGORY_VIEW_GET_INTERFACE (self)-> + symbol_selected_signal, 0, data->symbol, data->path); + } + return FALSE; } - else - requisition->height = SYMBOL_HEIGHT + 2 * SYMBOL_SPACING; + + symbol_deselect (self); + return FALSE; +} + +static gboolean +on_leave_notify (GtkWidget *widget, GdkEventCrossing *event, gpointer user_data) +{ + symbol_deselect (LD_CATEGORY_SYMBOL_VIEW (widget)); + return FALSE; } static void -on_size_allocate (GtkWidget *widget, GdkRectangle *allocation, - gpointer user_data) +on_drag_data_get +(GtkWidget *widget, GdkDragContext *ctx, GtkSelectionData *selection_data, + guint target_type, guint time, gpointer user_data) { LdCategorySymbolView *self; self = LD_CATEGORY_SYMBOL_VIEW (widget); + g_return_if_fail (self->priv->preselected != NULL); - if (self->priv->height_negotiation) - self->priv->height_negotiation = FALSE; - else + gtk_selection_data_set (selection_data, + gtk_selection_data_get_target (selection_data), + 8, (guchar *) self->priv->preselected->path, + strlen (self->priv->preselected->path)); +} + +static void +on_drag_begin (GtkWidget *widget, GdkDragContext *ctx, gpointer user_data) +{ + LdCategorySymbolView *self; + GdkPixbuf *pbuf; + + self = LD_CATEGORY_SYMBOL_VIEW (widget); + g_return_if_fail (self->priv->preselected != NULL); + + /* Some of the larger previews didn't work, and we have to get rid of + * the icon later when we're hovering above LdDiagramView anyway. */ + pbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 1, 1); + gdk_pixbuf_fill (pbuf, 0x00000000); + gtk_drag_set_icon_pixbuf (ctx, pbuf, 0, 0); + g_object_unref (pbuf); +} + +static void +on_drag_end (GtkWidget *widget, GdkDragContext *ctx, gpointer user_data) +{ + symbol_deselect (LD_CATEGORY_SYMBOL_VIEW (widget)); +} + +static void +ld_category_symbol_view_init (LdCategorySymbolView *self) +{ + self->priv = G_TYPE_INSTANCE_GET_PRIVATE + (self, LD_TYPE_CATEGORY_SYMBOL_VIEW, LdCategorySymbolViewPrivate); + + g_signal_connect (self, "size-allocate", + G_CALLBACK (on_size_allocate), NULL); + g_signal_connect (self, "size-request", + G_CALLBACK (on_size_request), NULL); + g_signal_connect (self, "expose-event", + G_CALLBACK (on_expose_event), NULL); + + g_signal_connect (self, "motion-notify-event", + G_CALLBACK (on_motion_notify), NULL); + g_signal_connect (self, "leave-notify-event", + G_CALLBACK (on_leave_notify), NULL); + + g_signal_connect (self, "drag-begin", + G_CALLBACK (on_drag_begin), NULL); + g_signal_connect (self, "drag-data-get", + G_CALLBACK (on_drag_data_get), NULL); + g_signal_connect (self, "drag-end", + G_CALLBACK (on_drag_end), NULL); + + gtk_widget_add_events (GTK_WIDGET (self), + GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK + | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK + | GDK_LEAVE_NOTIFY_MASK); +} + +static void +ld_category_symbol_view_finalize (GObject *gobject) +{ + LdCategorySymbolView *self; + + self = LD_CATEGORY_SYMBOL_VIEW (gobject); + + layout_destroy (self); + if (self->priv->category) + g_object_unref (self->priv->category); + g_free (self->priv->path); + + /* Chain up to the parent class. */ + G_OBJECT_CLASS (ld_category_symbol_view_parent_class)->finalize (gobject); +} + +static void +ld_category_symbol_view_get_property (GObject *object, guint property_id, + GValue *value, GParamSpec *pspec) +{ + switch (property_id) { - self->priv->height_negotiation = TRUE; - gtk_widget_queue_resize (widget); + case PROP_CATEGORY: + g_value_set_object (value, + ld_category_view_get_category (LD_CATEGORY_VIEW (object))); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } } -/* ===== Generic interface etc. ============================================ */ +static void +ld_category_symbol_view_set_property (GObject *object, guint property_id, + const GValue *value, GParamSpec *pspec) +{ + switch (property_id) + { + case PROP_CATEGORY: + ld_category_view_set_category (LD_CATEGORY_VIEW (object), + LD_CATEGORY (g_value_get_object (value))); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + } +} + + +/* ===== Interface ========================================================= */ /** * ld_category_symbol_view_new: |