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Diffstat (limited to '')
| -rw-r--r-- | app/display/gimptoolwidget.c | 1117 |
1 files changed, 1117 insertions, 0 deletions
diff --git a/app/display/gimptoolwidget.c b/app/display/gimptoolwidget.c new file mode 100644 index 0000000..516f366 --- /dev/null +++ b/app/display/gimptoolwidget.c @@ -0,0 +1,1117 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimptoolwidget.c + * Copyright (C) 2017 Michael Natterer <mitch@gimp.org> + * + * 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 <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <stdarg.h> + +#include <gegl.h> +#include <gtk/gtk.h> +#include <gdk/gdkkeysyms.h> + +#include "display-types.h" + +#include "core/gimpmarshal.h" + +#include "gimpcanvasarc.h" +#include "gimpcanvascorner.h" +#include "gimpcanvasgroup.h" +#include "gimpcanvashandle.h" +#include "gimpcanvaslimit.h" +#include "gimpcanvasline.h" +#include "gimpcanvaspath.h" +#include "gimpcanvaspolygon.h" +#include "gimpcanvasrectangle.h" +#include "gimpcanvasrectangleguides.h" +#include "gimpcanvastransformguides.h" +#include "gimpdisplayshell.h" +#include "gimptoolwidget.h" + + +enum +{ + PROP_0, + PROP_SHELL, + PROP_ITEM +}; + +enum +{ + CHANGED, + RESPONSE, + SNAP_OFFSETS, + STATUS, + STATUS_COORDS, + MESSAGE, + FOCUS_CHANGED, + LAST_SIGNAL +}; + +struct _GimpToolWidgetPrivate +{ + GimpDisplayShell *shell; + GimpCanvasItem *item; + GList *group_stack; + + gint snap_offset_x; + gint snap_offset_y; + gint snap_width; + gint snap_height; + + gboolean visible; + gboolean focus; +}; + + +/* local function prototypes */ + +static void gimp_tool_widget_finalize (GObject *object); +static void gimp_tool_widget_constructed (GObject *object); +static void gimp_tool_widget_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_tool_widget_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static void gimp_tool_widget_properties_changed (GObject *object, + guint n_pspecs, + GParamSpec **pspecs); + +static void gimp_tool_widget_real_leave_notify (GimpToolWidget *widget); +static gboolean gimp_tool_widget_real_key_press (GimpToolWidget *widget, + GdkEventKey *kevent); + + +G_DEFINE_TYPE_WITH_PRIVATE (GimpToolWidget, gimp_tool_widget, GIMP_TYPE_OBJECT) + +#define parent_class gimp_tool_widget_parent_class + +static guint widget_signals[LAST_SIGNAL] = { 0 }; + + +static void +gimp_tool_widget_class_init (GimpToolWidgetClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gimp_tool_widget_finalize; + object_class->constructed = gimp_tool_widget_constructed; + object_class->set_property = gimp_tool_widget_set_property; + object_class->get_property = gimp_tool_widget_get_property; + object_class->dispatch_properties_changed = gimp_tool_widget_properties_changed; + + klass->leave_notify = gimp_tool_widget_real_leave_notify; + klass->key_press = gimp_tool_widget_real_key_press; + + widget_signals[CHANGED] = + g_signal_new ("changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpToolWidgetClass, changed), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + widget_signals[RESPONSE] = + g_signal_new ("response", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpToolWidgetClass, response), + NULL, NULL, + gimp_marshal_VOID__INT, + G_TYPE_NONE, 1, + G_TYPE_INT); + + widget_signals[SNAP_OFFSETS] = + g_signal_new ("snap-offsets", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpToolWidgetClass, snap_offsets), + NULL, NULL, + gimp_marshal_VOID__INT_INT_INT_INT, + G_TYPE_NONE, 4, + G_TYPE_INT, + G_TYPE_INT, + G_TYPE_INT, + G_TYPE_INT); + + widget_signals[STATUS] = + g_signal_new ("status", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpToolWidgetClass, status), + NULL, NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, 1, + G_TYPE_STRING); + + widget_signals[STATUS_COORDS] = + g_signal_new ("status-coords", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpToolWidgetClass, status_coords), + NULL, NULL, + gimp_marshal_VOID__STRING_DOUBLE_STRING_DOUBLE_STRING, + G_TYPE_NONE, 5, + G_TYPE_STRING, + G_TYPE_DOUBLE, + G_TYPE_STRING, + G_TYPE_DOUBLE, + G_TYPE_STRING); + + widget_signals[MESSAGE] = + g_signal_new ("message", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpToolWidgetClass, message), + NULL, NULL, + g_cclosure_marshal_VOID__STRING, + G_TYPE_NONE, 1, + G_TYPE_STRING); + + widget_signals[FOCUS_CHANGED] = + g_signal_new ("focus-changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpToolWidgetClass, focus_changed), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + g_object_class_install_property (object_class, PROP_SHELL, + g_param_spec_object ("shell", + NULL, NULL, + GIMP_TYPE_DISPLAY_SHELL, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_ITEM, + g_param_spec_object ("item", + NULL, NULL, + GIMP_TYPE_CANVAS_ITEM, + GIMP_PARAM_READABLE)); +} + +static void +gimp_tool_widget_init (GimpToolWidget *widget) +{ + widget->private = gimp_tool_widget_get_instance_private (widget); + + widget->private->visible = TRUE; +} + +static void +gimp_tool_widget_constructed (GObject *object) +{ + GimpToolWidget *widget = GIMP_TOOL_WIDGET (object); + GimpToolWidgetPrivate *private = widget->private; + GimpToolWidgetClass *klass = GIMP_TOOL_WIDGET_GET_CLASS (widget); + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_DISPLAY_SHELL (private->shell)); + + private->item = gimp_canvas_group_new (private->shell); + + gimp_canvas_item_set_visible (private->item, private->visible); + + if (klass->changed) + { + if (klass->update_on_scale) + { + g_signal_connect_object (private->shell, "scaled", + G_CALLBACK (klass->changed), + widget, + G_CONNECT_SWAPPED); + } + + if (klass->update_on_scroll) + { + g_signal_connect_object (private->shell, "scrolled", + G_CALLBACK (klass->changed), + widget, + G_CONNECT_SWAPPED); + } + + if (klass->update_on_rotate) + { + g_signal_connect_object (private->shell, "rotated", + G_CALLBACK (klass->changed), + widget, + G_CONNECT_SWAPPED); + } + } +} + +static void +gimp_tool_widget_finalize (GObject *object) +{ + GimpToolWidget *widget = GIMP_TOOL_WIDGET (object); + GimpToolWidgetPrivate *private = widget->private; + + g_clear_object (&private->item); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_tool_widget_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpToolWidget *widget = GIMP_TOOL_WIDGET (object); + GimpToolWidgetPrivate *private = widget->private; + + switch (property_id) + { + case PROP_SHELL: + private->shell = g_value_get_object (value); /* don't ref */ + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_tool_widget_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpToolWidget *widget = GIMP_TOOL_WIDGET (object); + GimpToolWidgetPrivate *private = widget->private; + + switch (property_id) + { + case PROP_SHELL: + g_value_set_object (value, private->shell); + break; + + case PROP_ITEM: + g_value_set_object (value, private->item); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_tool_widget_properties_changed (GObject *object, + guint n_pspecs, + GParamSpec **pspecs) +{ + GimpToolWidget *widget = GIMP_TOOL_WIDGET (object); + + G_OBJECT_CLASS (parent_class)->dispatch_properties_changed (object, + n_pspecs, + pspecs); + + gimp_tool_widget_changed (widget); +} + +static void +gimp_tool_widget_real_leave_notify (GimpToolWidget *widget) +{ + gimp_tool_widget_set_status (widget, NULL); +} + +static gboolean +gimp_tool_widget_real_key_press (GimpToolWidget *widget, + GdkEventKey *kevent) +{ + switch (kevent->keyval) + { + case GDK_KEY_Return: + case GDK_KEY_KP_Enter: + case GDK_KEY_ISO_Enter: + gimp_tool_widget_response (widget, GIMP_TOOL_WIDGET_RESPONSE_CONFIRM); + return TRUE; + + case GDK_KEY_Escape: + gimp_tool_widget_response (widget, GIMP_TOOL_WIDGET_RESPONSE_CANCEL); + return TRUE; + + case GDK_KEY_BackSpace: + gimp_tool_widget_response (widget, GIMP_TOOL_WIDGET_RESPONSE_RESET); + return TRUE; + + default: + break; + } + + return FALSE; +} + + +/* public functions */ + +GimpDisplayShell * +gimp_tool_widget_get_shell (GimpToolWidget *widget) +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + return widget->private->shell; +} + +GimpCanvasItem * +gimp_tool_widget_get_item (GimpToolWidget *widget) +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + return widget->private->item; +} + +void +gimp_tool_widget_set_visible (GimpToolWidget *widget, + gboolean visible) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + if (visible != widget->private->visible) + { + widget->private->visible = visible; + + if (widget->private->item) + gimp_canvas_item_set_visible (widget->private->item, visible); + + if (! visible) + gimp_tool_widget_set_status (widget, NULL); + } +} + +gboolean +gimp_tool_widget_get_visible (GimpToolWidget *widget) +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), FALSE); + + return widget->private->visible; +} + +void +gimp_tool_widget_set_focus (GimpToolWidget *widget, + gboolean focus) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + if (focus != widget->private->focus) + { + widget->private->focus = focus; + + g_signal_emit (widget, widget_signals[FOCUS_CHANGED], 0); + } +} + +gboolean +gimp_tool_widget_get_focus (GimpToolWidget *widget) +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), FALSE); + + return widget->private->focus; +} + +void +gimp_tool_widget_changed (GimpToolWidget *widget) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + g_signal_emit (widget, widget_signals[CHANGED], 0); +} + +void +gimp_tool_widget_response (GimpToolWidget *widget, + gint response_id) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + g_signal_emit (widget, widget_signals[RESPONSE], 0, + response_id); +} + +void +gimp_tool_widget_set_snap_offsets (GimpToolWidget *widget, + gint offset_x, + gint offset_y, + gint width, + gint height) +{ + GimpToolWidgetPrivate *private; + + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + private = widget->private; + + if (offset_x != private->snap_offset_x || + offset_y != private->snap_offset_y || + width != private->snap_width || + height != private->snap_height) + { + private->snap_offset_x = offset_x; + private->snap_offset_y = offset_y; + private->snap_width = width; + private->snap_height = height; + + g_signal_emit (widget, widget_signals[SNAP_OFFSETS], 0, + offset_x, offset_y, width, height); + } +} + +void +gimp_tool_widget_get_snap_offsets (GimpToolWidget *widget, + gint *offset_x, + gint *offset_y, + gint *width, + gint *height) +{ + GimpToolWidgetPrivate *private; + + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + private = widget->private; + + if (offset_x) *offset_x = private->snap_offset_x; + if (offset_y) *offset_y = private->snap_offset_y; + if (width) *width = private->snap_width; + if (height) *height = private->snap_height; +} + +void +gimp_tool_widget_set_status (GimpToolWidget *widget, + const gchar *status) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + g_signal_emit (widget, widget_signals[STATUS], 0, + status); +} + +void +gimp_tool_widget_set_status_coords (GimpToolWidget *widget, + const gchar *title, + gdouble x, + const gchar *separator, + gdouble y, + const gchar *help) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + g_signal_emit (widget, widget_signals[STATUS_COORDS], 0, + title, x, separator, y, help); +} + +void +gimp_tool_widget_message (GimpToolWidget *widget, + const gchar *format, + ...) +{ + va_list args; + gchar *message; + + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (format != NULL); + + va_start (args, format); + + message = g_strdup_vprintf (format, args); + + va_end (args); + + gimp_tool_widget_message_literal (widget, message); + + g_free (message); +} + +void +gimp_tool_widget_message_literal (GimpToolWidget *widget, + const gchar *message) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (message != NULL); + + g_signal_emit (widget, widget_signals[MESSAGE], 0, + message); +} + +void +gimp_tool_widget_add_item (GimpToolWidget *widget, + GimpCanvasItem *item) +{ + GimpCanvasGroup *group; + + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (GIMP_IS_CANVAS_ITEM (item)); + + group = GIMP_CANVAS_GROUP (widget->private->item); + + if (widget->private->group_stack) + group = widget->private->group_stack->data; + + gimp_canvas_group_add_item (group, item); +} + +void +gimp_tool_widget_remove_item (GimpToolWidget *widget, + GimpCanvasItem *item) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (GIMP_IS_CANVAS_ITEM (item)); + + gimp_canvas_group_remove_item (GIMP_CANVAS_GROUP (widget->private->item), + item); +} + +GimpCanvasGroup * +gimp_tool_widget_add_group (GimpToolWidget *widget) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_group_new (widget->private->shell); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return GIMP_CANVAS_GROUP (item); +} + +GimpCanvasGroup * +gimp_tool_widget_add_stroke_group (GimpToolWidget *widget) +{ + GimpCanvasGroup *group; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + group = gimp_tool_widget_add_group (widget); + gimp_canvas_group_set_group_stroking (group, TRUE); + + return group; +} + +GimpCanvasGroup * +gimp_tool_widget_add_fill_group (GimpToolWidget *widget) +{ + GimpCanvasGroup *group; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + group = gimp_tool_widget_add_group (widget); + gimp_canvas_group_set_group_filling (group, TRUE); + + return group; +} + +void +gimp_tool_widget_push_group (GimpToolWidget *widget, + GimpCanvasGroup *group) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (GIMP_IS_CANVAS_GROUP (group)); + + widget->private->group_stack = g_list_prepend (widget->private->group_stack, + group); +} + +void +gimp_tool_widget_pop_group (GimpToolWidget *widget) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (widget->private->group_stack != NULL); + + widget->private->group_stack = g_list_remove (widget->private->group_stack, + widget->private->group_stack->data); +} + +/** + * gimp_tool_widget_add_line: + * @widget: the #GimpToolWidget + * @x1: start point X in image coordinates + * @y1: start point Y in image coordinates + * @x2: end point X in image coordinates + * @y2: end point Y in image coordinates + * + * This function adds a #GimpCanvasLine to @widget. + **/ +GimpCanvasItem * +gimp_tool_widget_add_line (GimpToolWidget *widget, + gdouble x1, + gdouble y1, + gdouble x2, + gdouble y2) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_line_new (widget->private->shell, + x1, y1, x2, y2); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_rectangle (GimpToolWidget *widget, + gdouble x, + gdouble y, + gdouble width, + gdouble height, + gboolean filled) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_rectangle_new (widget->private->shell, + x, y, width, height, filled); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_arc (GimpToolWidget *widget, + gdouble center_x, + gdouble center_y, + gdouble radius_x, + gdouble radius_y, + gdouble start_angle, + gdouble slice_angle, + gboolean filled) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_arc_new (widget->private->shell, + center_x, center_y, + radius_x, radius_y, + start_angle, slice_angle, + filled); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_limit (GimpToolWidget *widget, + GimpLimitType type, + gdouble x, + gdouble y, + gdouble radius, + gdouble aspect_ratio, + gdouble angle, + gboolean dashed) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_limit_new (widget->private->shell, + type, + x, y, + radius, + aspect_ratio, + angle, + dashed); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_polygon (GimpToolWidget *widget, + GimpMatrix3 *transform, + const GimpVector2 *points, + gint n_points, + gboolean filled) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + g_return_val_if_fail (points == NULL || n_points > 0, NULL); + + item = gimp_canvas_polygon_new (widget->private->shell, + points, n_points, + transform, filled); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_polygon_from_coords (GimpToolWidget *widget, + GimpMatrix3 *transform, + const GimpCoords *points, + gint n_points, + gboolean filled) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + g_return_val_if_fail (points == NULL || n_points > 0, NULL); + + item = gimp_canvas_polygon_new_from_coords (widget->private->shell, + points, n_points, + transform, filled); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_path (GimpToolWidget *widget, + const GimpBezierDesc *desc) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_path_new (widget->private->shell, + desc, 0, 0, FALSE, GIMP_PATH_STYLE_DEFAULT); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_handle (GimpToolWidget *widget, + GimpHandleType type, + gdouble x, + gdouble y, + gint width, + gint height, + GimpHandleAnchor anchor) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_handle_new (widget->private->shell, + type, anchor, x, y, width, height); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_corner (GimpToolWidget *widget, + gdouble x, + gdouble y, + gdouble width, + gdouble height, + GimpHandleAnchor anchor, + gint corner_width, + gint corner_height, + gboolean outside) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_corner_new (widget->private->shell, + x, y, width, height, + anchor, corner_width, corner_height, + outside); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_rectangle_guides (GimpToolWidget *widget, + gdouble x, + gdouble y, + gdouble width, + gdouble height, + GimpGuidesType type) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_rectangle_guides_new (widget->private->shell, + x, y, width, height, type, 4); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +GimpCanvasItem * +gimp_tool_widget_add_transform_guides (GimpToolWidget *widget, + const GimpMatrix3 *transform, + gdouble x1, + gdouble y1, + gdouble x2, + gdouble y2, + GimpGuidesType type, + gint n_guides, + gboolean clip) +{ + GimpCanvasItem *item; + + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), NULL); + + item = gimp_canvas_transform_guides_new (widget->private->shell, + transform, x1, y1, x2, y2, + type, n_guides, clip); + + gimp_tool_widget_add_item (widget, item); + g_object_unref (item); + + return item; +} + +gint +gimp_tool_widget_button_press (GimpToolWidget *widget, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonPressType press_type) +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), 0); + g_return_val_if_fail (coords != NULL, 0); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->button_press) + { + return GIMP_TOOL_WIDGET_GET_CLASS (widget)->button_press (widget, + coords, time, + state, + press_type); + } + + return 0; +} + +void +gimp_tool_widget_button_release (GimpToolWidget *widget, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonReleaseType release_type) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (coords != NULL); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->button_release) + { + GIMP_TOOL_WIDGET_GET_CLASS (widget)->button_release (widget, + coords, time, state, + release_type); + } +} + +void +gimp_tool_widget_motion (GimpToolWidget *widget, + const GimpCoords *coords, + guint32 time, + GdkModifierType state) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (coords != NULL); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->motion) + { + GIMP_TOOL_WIDGET_GET_CLASS (widget)->motion (widget, + coords, time, state); + } +} + +GimpHit +gimp_tool_widget_hit (GimpToolWidget *widget, + const GimpCoords *coords, + GdkModifierType state, + gboolean proximity) +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), GIMP_HIT_NONE); + g_return_val_if_fail (coords != NULL, GIMP_HIT_NONE); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->hit) + { + return GIMP_TOOL_WIDGET_GET_CLASS (widget)->hit (widget, + coords, state, + proximity); + } + + return GIMP_HIT_NONE; +} + +void +gimp_tool_widget_hover (GimpToolWidget *widget, + const GimpCoords *coords, + GdkModifierType state, + gboolean proximity) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + g_return_if_fail (coords != NULL); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->hover) + { + GIMP_TOOL_WIDGET_GET_CLASS (widget)->hover (widget, + coords, state, proximity); + } +} + +void +gimp_tool_widget_leave_notify (GimpToolWidget *widget) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->leave_notify) + { + GIMP_TOOL_WIDGET_GET_CLASS (widget)->leave_notify (widget); + } +} + +gboolean +gimp_tool_widget_key_press (GimpToolWidget *widget, + GdkEventKey *kevent) +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), FALSE); + g_return_val_if_fail (kevent != NULL, FALSE); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->key_press) + { + return GIMP_TOOL_WIDGET_GET_CLASS (widget)->key_press (widget, kevent); + } + + return FALSE; +} + +gboolean +gimp_tool_widget_key_release (GimpToolWidget *widget, + GdkEventKey *kevent) +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), FALSE); + g_return_val_if_fail (kevent != NULL, FALSE); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->key_release) + { + return GIMP_TOOL_WIDGET_GET_CLASS (widget)->key_release (widget, kevent); + } + + return FALSE; +} + +void +gimp_tool_widget_motion_modifier (GimpToolWidget *widget, + GdkModifierType key, + gboolean press, + GdkModifierType state) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->motion_modifier) + { + GIMP_TOOL_WIDGET_GET_CLASS (widget)->motion_modifier (widget, + key, press, state); + } +} + +void +gimp_tool_widget_hover_modifier (GimpToolWidget *widget, + GdkModifierType key, + gboolean press, + GdkModifierType state) +{ + g_return_if_fail (GIMP_IS_TOOL_WIDGET (widget)); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->hover_modifier) + { + GIMP_TOOL_WIDGET_GET_CLASS (widget)->hover_modifier (widget, + key, press, state); + } +} + +gboolean +gimp_tool_widget_get_cursor (GimpToolWidget *widget, + const GimpCoords *coords, + GdkModifierType state, + GimpCursorType *cursor, + GimpToolCursorType *tool_cursor, + GimpCursorModifier *modifier) + +{ + g_return_val_if_fail (GIMP_IS_TOOL_WIDGET (widget), FALSE); + g_return_val_if_fail (coords != NULL, FALSE); + + if (widget->private->visible && + GIMP_TOOL_WIDGET_GET_CLASS (widget)->get_cursor) + { + GimpCursorType my_cursor; + GimpToolCursorType my_tool_cursor; + GimpCursorModifier my_modifier; + + if (cursor) my_cursor = *cursor; + if (tool_cursor) my_tool_cursor = *tool_cursor; + if (modifier) my_modifier = *modifier; + + if (GIMP_TOOL_WIDGET_GET_CLASS (widget)->get_cursor (widget, coords, + state, + &my_cursor, + &my_tool_cursor, + &my_modifier)) + { + if (cursor) *cursor = my_cursor; + if (tool_cursor) *tool_cursor = my_tool_cursor; + if (modifier) *modifier = my_modifier; + + return TRUE; + } + } + + return FALSE; +} |