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authorDavid Robillard <d@drobilla.net>2018-11-24 13:44:02 +0100
committerDavid Robillard <d@drobilla.net>2018-11-24 13:44:02 +0100
commitd74de7f575a9ec49f96138c3c5251f28946c0c0e (patch)
treed9b620bfba1e7462df4ddb3f6225cc5216c0ca81 /src/item.c
parentc6e874c2cc1c5c99a3859112e1bba0f07bcdb8ba (diff)
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Squashed 'waflib/' changes from 6e726eb..5ea8f99
5ea8f99 Improve test output spacing 0e23b29 Raise exception when test suite fails to ensure non-zero exit status d6de073 Show run time of unit tests 5b65554 Add short configure option for ultra-strict flags 4687ba6 Use gtest-like test output 258903d Fix failure count in test group summaries da07e73 Fix verbose tests with Python 3 git-subtree-dir: waflib git-subtree-split: 5ea8f99f6e1246079c1fe6bb590c38a53aadd40d
Diffstat (limited to 'src/item.c')
-rw-r--r--src/item.c707
1 files changed, 0 insertions, 707 deletions
diff --git a/src/item.c b/src/item.c
deleted file mode 100644
index a458acd..0000000
--- a/src/item.c
+++ /dev/null
@@ -1,707 +0,0 @@
-/* This file is part of Ganv.
- * Copyright 2007-2016 David Robillard <http://drobilla.net>
- *
- * Ganv 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 any later version.
- *
- * Ganv 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 details.
- *
- * You should have received a copy of the GNU General Public License along
- * with Ganv. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/* Based on GnomeCanvas, by Federico Mena <federico@nuclecu.unam.mx>
- * and Raph Levien <raph@gimp.org>
- * Copyright 1997-2000 Free Software Foundation
- */
-
-#include "ganv/canvas.h"
-#include "ganv/node.h"
-
-#include "./boilerplate.h"
-#include "./ganv-marshal.h"
-#include "./ganv-private.h"
-#include "./gettext.h"
-
-/* All canvas items are derived from GanvItem. The only information a GanvItem
- * contains is its parent canvas, its parent canvas item, its bounding box in
- * world coordinates, and its current affine transformation.
- *
- * Items inside a canvas are organized in a tree, where leaves are items
- * without any children. Each canvas has a single root item, which can be
- * obtained with the ganv_canvas_base_get_root() function.
- *
- * The abstract GanvItem class does not have any configurable or queryable
- * attributes.
- */
-
-/* Update flags for items */
-enum {
- GANV_CANVAS_UPDATE_REQUESTED = 1 << 0,
- GANV_CANVAS_UPDATE_AFFINE = 1 << 1,
- GANV_CANVAS_UPDATE_VISIBILITY = 1 << 2
-};
-
-#define GCI_UPDATE_MASK (GANV_CANVAS_UPDATE_REQUESTED \
- | GANV_CANVAS_UPDATE_AFFINE \
- | GANV_CANVAS_UPDATE_VISIBILITY)
-
-enum {
- ITEM_PROP_0,
- ITEM_PROP_PARENT,
- ITEM_PROP_X,
- ITEM_PROP_Y,
- ITEM_PROP_MANAGED
-};
-
-enum {
- ITEM_EVENT,
- ITEM_LAST_SIGNAL
-};
-
-static guint item_signals[ITEM_LAST_SIGNAL];
-
-G_DEFINE_TYPE_WITH_CODE(GanvItem, ganv_item, GTK_TYPE_OBJECT,
- G_ADD_PRIVATE(GanvItem))
-
-static GtkObjectClass* item_parent_class;
-
-/* Object initialization function for GanvItem */
-static void
-ganv_item_init(GanvItem* item)
-{
- GanvItemPrivate* impl = ganv_item_get_instance_private(item);
-
- item->object.flags |= GANV_ITEM_VISIBLE;
- item->impl = impl;
- item->impl->managed = FALSE;
- item->impl->wrapper = NULL;
-}
-
-/**
- * ganv_item_new:
- * @parent: The parent group for the new item.
- * @type: The object type of the item.
- * @first_arg_name: A list of object argument name/value pairs, NULL-terminated,
- * used to configure the item. For example, "fill_color", "black",
- * "width_units", 5.0, NULL.
- * @...: first argument value, second argument name, second argument value, ...
- *
- * Creates a new canvas item with @parent as its parent group. The item is
- * created at the top of its parent's stack, and starts up as visible. The item
- * is of the specified @type, for example, it can be
- * ganv_canvas_rect_get_type(). The list of object arguments/value pairs is
- * used to configure the item. If you need to pass construct time parameters, you
- * should use g_object_new() to pass the parameters and
- * ganv_item_construct() to set up the canvas item.
- *
- * Return value: (transfer full): The newly-created item.
- **/
-GanvItem*
-ganv_item_new(GanvItem* parent, GType type, const gchar* first_arg_name, ...)
-{
- g_return_val_if_fail(g_type_is_a(type, ganv_item_get_type()), NULL);
-
- GanvItem* item = GANV_ITEM(g_object_new(type, NULL));
-
- va_list args;
- va_start(args, first_arg_name);
- ganv_item_construct(item, parent, first_arg_name, args);
- va_end(args);
-
- return item;
-}
-
-/* Performs post-creation operations on a canvas item (adding it to its parent
- * group, etc.)
- */
-static void
-item_post_create_setup(GanvItem* item)
-{
- GanvItemClass* parent_class = GANV_ITEM_GET_CLASS(item->impl->parent);
- if (!item->impl->managed) {
- if (parent_class->add) {
- parent_class->add(item->impl->parent, item);
- } else {
- g_warning("item added to non-parent item\n");
- }
- }
- ganv_canvas_request_redraw_w(item->impl->canvas,
- item->impl->x1, item->impl->y1,
- item->impl->x2 + 1, item->impl->y2 + 1);
- ganv_canvas_set_need_repick(item->impl->canvas);
-}
-
-static void
-ganv_item_set_property(GObject* object,
- guint prop_id,
- const GValue* value,
- GParamSpec* pspec)
-{
- g_return_if_fail(object != NULL);
- g_return_if_fail(GANV_IS_ITEM(object));
-
- GanvItem* item = GANV_ITEM(object);
-
- switch (prop_id) {
- case ITEM_PROP_PARENT:
- if (item->impl->parent != NULL) {
- g_warning("Cannot set `parent' argument after item has "
- "already been constructed.");
- } else if (g_value_get_object(value)) {
- item->impl->parent = GANV_ITEM(g_value_get_object(value));
- item->impl->canvas = item->impl->parent->impl->canvas;
- item_post_create_setup(item);
- }
- break;
- case ITEM_PROP_X:
- item->impl->x = g_value_get_double(value);
- ganv_item_request_update(item);
- break;
- case ITEM_PROP_Y:
- item->impl->y = g_value_get_double(value);
- ganv_item_request_update(item);
- break;
- case ITEM_PROP_MANAGED:
- item->impl->managed = g_value_get_boolean(value);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
- break;
- }
-}
-
-static void
-ganv_item_get_property(GObject* object,
- guint prop_id,
- GValue* value,
- GParamSpec* pspec)
-{
- g_return_if_fail(object != NULL);
- g_return_if_fail(GANV_IS_ITEM(object));
-
- GanvItem* item = GANV_ITEM(object);
-
- switch (prop_id) {
- case ITEM_PROP_PARENT:
- g_value_set_object(value, item->impl->parent);
- break;
- case ITEM_PROP_X:
- g_value_set_double(value, item->impl->x);
- break;
- case ITEM_PROP_Y:
- g_value_set_double(value, item->impl->y);
- break;
- case ITEM_PROP_MANAGED:
- g_value_set_boolean(value, item->impl->managed);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
- break;
- }
-}
-
-/**
- * ganv_item_construct:
- * @item: An unconstructed canvas item.
- * @parent: The parent group for the item.
- * @first_arg_name: The name of the first argument for configuring the item.
- * @args: The list of arguments used to configure the item.
- *
- * Constructs a canvas item; meant for use only by item implementations.
- **/
-void
-ganv_item_construct(GanvItem* item, GanvItem* parent,
- const gchar* first_arg_name, va_list args)
-{
- g_return_if_fail(GANV_IS_ITEM(item));
-
- item->impl->parent = parent;
- item->impl->wrapper = NULL;
- item->impl->canvas = item->impl->parent->impl->canvas;
- item->impl->layer = 0;
-
- g_object_set_valist(G_OBJECT(item), first_arg_name, args);
-
- item_post_create_setup(item);
-}
-
-/* If the item is visible, requests a redraw of it. */
-static void
-redraw_if_visible(GanvItem* item)
-{
- if (item->object.flags & GANV_ITEM_VISIBLE) {
- ganv_canvas_request_redraw_w(item->impl->canvas,
- item->impl->x1, item->impl->y1,
- item->impl->x2 + 1, item->impl->y2 + 1);
- }
-}
-
-/* Standard object dispose function for canvas items */
-static void
-ganv_item_dispose(GObject* object)
-{
- GanvItem* item;
-
- g_return_if_fail(GANV_IS_ITEM(object));
-
- item = GANV_ITEM(object);
-
- if (item->impl->canvas) {
- redraw_if_visible(item);
- ganv_canvas_forget_item(item->impl->canvas, item);
- }
-
- /* Normal destroy stuff */
-
- if (item->object.flags & GANV_ITEM_MAPPED) {
- (*GANV_ITEM_GET_CLASS(item)->unmap)(item);
- }
-
- if (item->object.flags & GANV_ITEM_REALIZED) {
- (*GANV_ITEM_GET_CLASS(item)->unrealize)(item);
- }
-
- if (!item->impl->managed && item->impl->parent) {
- if (GANV_ITEM_GET_CLASS(item->impl->parent)->remove) {
- GANV_ITEM_GET_CLASS(item->impl->parent)->remove(item->impl->parent, item);
- } else {
- fprintf(stderr, "warning: Item parent has no remove method\n");
- }
- }
-
- G_OBJECT_CLASS(item_parent_class)->dispose(object);
- /* items should remove any reference to item->impl->canvas after the
- first ::destroy */
- item->impl->canvas = NULL;
-}
-
-/* Realize handler for canvas items */
-static void
-ganv_item_realize(GanvItem* item)
-{
- GTK_OBJECT_SET_FLAGS(item, GANV_ITEM_REALIZED);
-
- ganv_item_request_update(item);
-}
-
-/* Unrealize handler for canvas items */
-static void
-ganv_item_unrealize(GanvItem* item)
-{
- GTK_OBJECT_UNSET_FLAGS(item, GANV_ITEM_REALIZED);
-}
-
-/* Map handler for canvas items */
-static void
-ganv_item_map(GanvItem* item)
-{
- GTK_OBJECT_SET_FLAGS(item, GANV_ITEM_MAPPED);
-}
-
-/* Unmap handler for canvas items */
-static void
-ganv_item_unmap(GanvItem* item)
-{
- GTK_OBJECT_UNSET_FLAGS(item, GANV_ITEM_MAPPED);
-}
-
-/* Update handler for canvas items */
-static void
-ganv_item_update(GanvItem* item, int flags)
-{
- GTK_OBJECT_UNSET_FLAGS(item, GANV_ITEM_NEED_UPDATE);
- GTK_OBJECT_UNSET_FLAGS(item, GANV_ITEM_NEED_VIS);
-}
-
-/* Point handler for canvas items */
-static double
-ganv_item_point(GanvItem* item, double x, double y, GanvItem** actual_item)
-{
- *actual_item = NULL;
- return G_MAXDOUBLE;
-}
-
-void
-ganv_item_invoke_update(GanvItem* item, int flags)
-{
- int child_flags = flags;
-
- /* apply object flags to child flags */
-
- child_flags &= ~GANV_CANVAS_UPDATE_REQUESTED;
-
- if (item->object.flags & GANV_ITEM_NEED_UPDATE) {
- child_flags |= GANV_CANVAS_UPDATE_REQUESTED;
- }
-
- if (item->object.flags & GANV_ITEM_NEED_VIS) {
- child_flags |= GANV_CANVAS_UPDATE_VISIBILITY;
- }
-
- if (child_flags & GCI_UPDATE_MASK) {
- if (GANV_ITEM_GET_CLASS(item)->update) {
- GANV_ITEM_GET_CLASS(item)->update(item, child_flags);
- g_assert(!(GTK_OBJECT_FLAGS(item) & GANV_ITEM_NEED_UPDATE));
- }
- }
-}
-
-/**
- * ganv_item_set:
- * @item: A canvas item.
- * @first_arg_name: The list of object argument name/value pairs used to configure the item.
- * @...: first argument value, second argument name, second argument value, ...
- *
- * Configures a canvas item. The arguments in the item are set to the specified
- * values, and the item is repainted as appropriate.
- **/
-void
-ganv_item_set(GanvItem* item, const gchar* first_arg_name, ...)
-{
- va_list args;
-
- va_start(args, first_arg_name);
- ganv_item_set_valist(item, first_arg_name, args);
- va_end(args);
-}
-
-/**
- * ganv_item_set_valist:
- * @item: A canvas item.
- * @first_arg_name: The name of the first argument used to configure the item.
- * @args: The list of object argument name/value pairs used to configure the item.
- *
- * Configures a canvas item. The arguments in the item are set to the specified
- * values, and the item is repainted as appropriate.
- **/
-void
-ganv_item_set_valist(GanvItem* item, const gchar* first_arg_name, va_list args)
-{
- g_return_if_fail(GANV_IS_ITEM(item));
-
- g_object_set_valist(G_OBJECT(item), first_arg_name, args);
-
- ganv_canvas_set_need_repick(item->impl->canvas);
-}
-
-GanvCanvas*
-ganv_item_get_canvas(GanvItem* item)
-{
- return item->impl->canvas;
-}
-
-GanvItem*
-ganv_item_get_parent(GanvItem* item)
-{
- return item->impl->parent;
-}
-
-void
-ganv_item_raise(GanvItem* item)
-{
- ++item->impl->layer;
-}
-
-void
-ganv_item_lower(GanvItem* item)
-{
- --item->impl->layer;
-}
-
-/**
- * ganv_item_move:
- * @item: A canvas item.
- * @dx: Horizontal offset.
- * @dy: Vertical offset.
- **/
-void
-ganv_item_move(GanvItem* item, double dx, double dy)
-{
- if (!item || !GANV_IS_ITEM(item)) {
- return;
- }
-
- item->impl->x += dx;
- item->impl->y += dy;
-
- ganv_item_request_update(item);
- ganv_canvas_set_need_repick(item->impl->canvas);
-}
-
-/**
- * ganv_item_show:
- * @item: A canvas item.
- *
- * Shows a canvas item. If the item was already shown, then no action is taken.
- **/
-void
-ganv_item_show(GanvItem* item)
-{
- g_return_if_fail(GANV_IS_ITEM(item));
-
- if (!(item->object.flags & GANV_ITEM_VISIBLE)) {
- item->object.flags |= GANV_ITEM_VISIBLE;
- ganv_canvas_request_redraw_w(item->impl->canvas,
- item->impl->x1, item->impl->y1,
- item->impl->x2 + 1, item->impl->y2 + 1);
- ganv_canvas_set_need_repick(item->impl->canvas);
- }
-}
-
-/**
- * ganv_item_hide:
- * @item: A canvas item.
- *
- * Hides a canvas item. If the item was already hidden, then no action is
- * taken.
- **/
-void
-ganv_item_hide(GanvItem* item)
-{
- g_return_if_fail(GANV_IS_ITEM(item));
-
- if (item->object.flags & GANV_ITEM_VISIBLE) {
- item->object.flags &= ~GANV_ITEM_VISIBLE;
- ganv_canvas_request_redraw_w(item->impl->canvas,
- item->impl->x1, item->impl->y1,
- item->impl->x2 + 1, item->impl->y2 + 1);
- ganv_canvas_set_need_repick(item->impl->canvas);
- }
-}
-
-void
-ganv_item_i2w_offset(GanvItem* item, double* px, double* py)
-{
- double x = 0.0;
- double y = 0.0;
- while (item) {
- x += item->impl->x;
- y += item->impl->y;
- item = item->impl->parent;
- }
- *px = x;
- *py = y;
-}
-
-/**
- * ganv_item_i2w:
- * @item: A canvas item.
- * @x: X coordinate to convert (input/output value).
- * @y: Y coordinate to convert (input/output value).
- *
- * Converts a coordinate pair from item-relative coordinates to world
- * coordinates.
- **/
-void
-ganv_item_i2w(GanvItem* item, double* x, double* y)
-{
- /*g_return_if_fail(GANV_IS_ITEM(item));
- g_return_if_fail(x != NULL);
- g_return_if_fail(y != NULL);*/
-
- double off_x;
- double off_y;
- ganv_item_i2w_offset(item, &off_x, &off_y);
-
- *x += off_x;
- *y += off_y;
-}
-
-void
-ganv_item_i2w_pair(GanvItem* item, double* x1, double* y1, double* x2, double* y2)
-{
- double off_x;
- double off_y;
- ganv_item_i2w_offset(item, &off_x, &off_y);
-
- *x1 += off_x;
- *y1 += off_y;
- *x2 += off_x;
- *y2 += off_y;
-}
-
-/**
- * ganv_item_w2i:
- * @item: A canvas item.
- * @x: X coordinate to convert (input/output value).
- * @y: Y coordinate to convert (input/output value).
- *
- * Converts a coordinate pair from world coordinates to item-relative
- * coordinates.
- **/
-void
-ganv_item_w2i(GanvItem* item, double* x, double* y)
-{
- double off_x;
- double off_y;
- ganv_item_i2w_offset(item, &off_x, &off_y);
-
- *x -= off_x;
- *y -= off_y;
-}
-
-/**
- * ganv_item_grab_focus:
- * @item: A canvas item.
- *
- * Makes the specified item take the keyboard focus, so all keyboard events will
- * be sent to it. If the canvas widget itself did not have the focus, it grabs
- * it as well.
- **/
-void
-ganv_item_grab_focus(GanvItem* item)
-{
- ganv_canvas_grab_focus(item->impl->canvas, item);
-}
-
-void
-ganv_item_emit_event(GanvItem* item, GdkEvent* event, gint* finished)
-{
- g_signal_emit(item, item_signals[ITEM_EVENT], 0, event, finished);
-}
-
-static void
-ganv_item_default_bounds(GanvItem* item, double* x1, double* y1, double* x2, double* y2)
-{
- *x1 = *y1 = *x2 = *y2 = 0.0;
-}
-
-/**
- * ganv_item_get_bounds:
- * @item: A canvas item.
- * @x1: Leftmost edge of the bounding box (return value).
- * @y1: Upper edge of the bounding box (return value).
- * @x2: Rightmost edge of the bounding box (return value).
- * @y2: Lower edge of the bounding box (return value).
- *
- * Queries the bounding box of a canvas item. The bounding box may not be
- * exactly tight, but the canvas items will do the best they can. The bounds
- * are returned in the coordinate system of the item's parent.
- **/
-void
-ganv_item_get_bounds(GanvItem* item, double* x1, double* y1, double* x2, double* y2)
-{
- GANV_ITEM_GET_CLASS(item)->bounds(item, x1, y1, x2, y2);
-}
-
-/**
- * ganv_item_request_update:
- * @item: A canvas item.
- *
- * To be used only by item implementations. Requests that the canvas queue an
- * update for the specified item.
- **/
-void
-ganv_item_request_update(GanvItem* item)
-{
- if (!item->impl->canvas) {
- /* Item is being / has been destroyed, ignore */
- return;
- }
-
- item->object.flags |= GANV_ITEM_NEED_UPDATE;
-
- if (item->impl->parent != NULL &&
- !(item->impl->parent->object.flags & GANV_ITEM_NEED_UPDATE)) {
- /* Recurse up the tree */
- ganv_item_request_update(item->impl->parent);
- } else {
- /* Have reached the top of the tree, make sure the update call gets scheduled. */
- ganv_canvas_request_update(item->impl->canvas);
- }
-}
-
-void
-ganv_item_set_wrapper(GanvItem* item, void* wrapper)
-{
- item->impl->wrapper = wrapper;
-}
-
-void*
-ganv_item_get_wrapper(GanvItem* item)
-{
- return item->impl->wrapper;
-}
-
-static gboolean
-boolean_handled_accumulator(GSignalInvocationHint* ihint,
- GValue* return_accu,
- const GValue* handler_return,
- gpointer dummy)
-{
- gboolean continue_emission;
- gboolean signal_handled;
-
- signal_handled = g_value_get_boolean(handler_return);
- g_value_set_boolean(return_accu, signal_handled);
- continue_emission = !signal_handled;
-
- return continue_emission;
-}
-
-/* Class initialization function for GanvItemClass */
-static void
-ganv_item_class_init(GanvItemClass* klass)
-{
- GObjectClass* gobject_class;
-
- gobject_class = (GObjectClass*)klass;
-
- item_parent_class = (GtkObjectClass*)g_type_class_peek_parent(klass);
-
- gobject_class->set_property = ganv_item_set_property;
- gobject_class->get_property = ganv_item_get_property;
-
- g_object_class_install_property
- (gobject_class, ITEM_PROP_PARENT,
- g_param_spec_object("parent", NULL, NULL,
- GANV_TYPE_ITEM,
- (GParamFlags)(G_PARAM_READABLE | G_PARAM_WRITABLE)));
-
- g_object_class_install_property
- (gobject_class, ITEM_PROP_X,
- g_param_spec_double("x",
- _("X"),
- _("X"),
- -G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
- (GParamFlags)(G_PARAM_READABLE | G_PARAM_WRITABLE)));
- g_object_class_install_property
- (gobject_class, ITEM_PROP_Y,
- g_param_spec_double("y",
- _("Y"),
- _("Y"),
- -G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
- (GParamFlags)(G_PARAM_READABLE | G_PARAM_WRITABLE)));
-
- g_object_class_install_property
- (gobject_class, ITEM_PROP_MANAGED,
- g_param_spec_boolean("managed",
- _("Managed"),
- _("Whether the item is managed by its parent"),
- 0,
- (GParamFlags)(G_PARAM_READABLE | G_PARAM_WRITABLE)));
-
- item_signals[ITEM_EVENT]
- = g_signal_new("event",
- G_TYPE_FROM_CLASS(klass),
- G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET(GanvItemClass, event),
- boolean_handled_accumulator, NULL,
- ganv_marshal_BOOLEAN__BOXED,
- G_TYPE_BOOLEAN, 1,
- GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
-
- gobject_class->dispose = ganv_item_dispose;
-
- klass->realize = ganv_item_realize;
- klass->unrealize = ganv_item_unrealize;
- klass->map = ganv_item_map;
- klass->unmap = ganv_item_unmap;
- klass->update = ganv_item_update;
- klass->point = ganv_item_point;
- klass->bounds = ganv_item_default_bounds;
-}