diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt index 09293bdf03..2dc4571548 100644 --- a/docs/reference/gtk/gtk4-sections.txt +++ b/docs/reference/gtk/gtk4-sections.txt @@ -819,30 +819,6 @@ gtk_color_button_get_type GtkColorButtonPrivate -
-gtkhsv -GtkHSV -GtkHSV -gtk_hsv_new -gtk_hsv_set_color -gtk_hsv_get_color -gtk_hsv_set_metrics -gtk_hsv_get_metrics -gtk_hsv_is_adjusting -gtk_hsv_to_rgb -gtk_rgb_to_hsv - -GTK_TYPE_HSV -GTK_HSV -GTK_HSV_CLASS -GTK_IS_HSV -GTK_IS_HSV_CLASS -GTK_HSV_GET_CLASS - -GtkHSVPrivate -gtk_hsv_get_type -
-
gtkcolorsel GtkColorSelection diff --git a/gtk/deprecated/Makefile.inc b/gtk/deprecated/Makefile.inc index d0755d407f..932ed2ba67 100644 --- a/gtk/deprecated/Makefile.inc +++ b/gtk/deprecated/Makefile.inc @@ -4,7 +4,6 @@ deprecated_h_sources = \ deprecated/gtkactiongroup.h \ deprecated/gtkalignment.h \ deprecated/gtkgradient.h \ - deprecated/gtkhsv.h \ deprecated/gtkiconfactory.h \ deprecated/gtkradioaction.h \ deprecated/gtkrecentaction.h \ @@ -28,7 +27,6 @@ deprecated_c_sources = \ deprecated/gtkactiongroup.c \ deprecated/gtkalignment.c \ deprecated/gtkgradient.c \ - deprecated/gtkhsv.c \ deprecated/gtkiconfactory.c \ deprecated/gtkradioaction.c \ deprecated/gtkrecentaction.c \ diff --git a/gtk/deprecated/gtkhsv.c b/gtk/deprecated/gtkhsv.c deleted file mode 100644 index 6e30d5e43f..0000000000 --- a/gtk/deprecated/gtkhsv.c +++ /dev/null @@ -1,1459 +0,0 @@ -/* HSV color selector for GTK+ - * - * Copyright (C) 1999 The Free Software Foundation - * - * Authors: Simon Budig (original code) - * Federico Mena-Quintero (cleanup for GTK+) - * Jonathan Blandford (cleanup for GTK+) - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library. If not, see . - */ - -/* - * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS - * file for a list of people on the GTK+ Team. See the ChangeLog - * files for a list of changes. These files are distributed with - * GTK+ at ftp://ftp.gtk.org/pub/gtk/. - */ - -#include "config.h" - -#define GDK_DISABLE_DEPRECATION_WARNINGS - -#include -#include - -#include "gtkhsv.h" -#include "gtkbindings.h" -#include "gtkmarshalers.h" -#include "gtkrender.h" -#include "gtkstylecontext.h" -#include "gtktypebuiltins.h" -#include "gtkintl.h" - - -/** - * SECTION:gtkhsv - * @Short_description: A “color wheel” widget - * @Title: GtkHSV - * @See_also: #GtkColorSelection, #GtkColorSelectionDialog - * - * #GtkHSV is the “color wheel” part of a complete color selector widget. - * It allows to select a color by determining its HSV components in an - * intuitive way. Moving the selection around the outer ring changes the hue, - * and moving the selection point inside the inner triangle changes value and - * saturation. - * - * #GtkHSV has been deprecated together with #GtkColorSelection, where - * it was used. - */ - - -/* Default width/height */ -#define DEFAULT_SIZE 100 - -/* Default ring width */ -#define DEFAULT_RING_WIDTH 10 - - -/* Dragging modes */ -typedef enum { - DRAG_NONE, - DRAG_H, - DRAG_SV -} DragMode; - -/* Private part of the GtkHSV structure */ -struct _GtkHSVPrivate -{ - /* Color value */ - double h; - double s; - double v; - - /* Size and ring width */ - int size; - int ring_width; - - /* Window for capturing events */ - GdkWindow *window; - - /* Dragging mode */ - DragMode mode; - - guint focus_on_ring : 1; -}; - - -/* Signal IDs */ - -enum { - CHANGED, - MOVE, - LAST_SIGNAL -}; - -static void gtk_hsv_destroy (GtkWidget *widget); -static void gtk_hsv_realize (GtkWidget *widget); -static void gtk_hsv_unrealize (GtkWidget *widget); -static void gtk_hsv_get_preferred_width (GtkWidget *widget, - gint *minimum, - gint *natural); -static void gtk_hsv_get_preferred_height (GtkWidget *widget, - gint *minimum, - gint *natural); -static void gtk_hsv_size_allocate (GtkWidget *widget, - GtkAllocation *allocation); -static gboolean gtk_hsv_button_press (GtkWidget *widget, - GdkEventButton *event); -static gboolean gtk_hsv_button_release (GtkWidget *widget, - GdkEventButton *event); -static gboolean gtk_hsv_motion (GtkWidget *widget, - GdkEventMotion *event); -static gboolean gtk_hsv_draw (GtkWidget *widget, - cairo_t *cr); -static gboolean gtk_hsv_grab_broken (GtkWidget *widget, - GdkEventGrabBroken *event); -static gboolean gtk_hsv_focus (GtkWidget *widget, - GtkDirectionType direction); -static void gtk_hsv_move (GtkHSV *hsv, - GtkDirectionType dir); - -static guint hsv_signals[LAST_SIGNAL]; - -G_DEFINE_TYPE_WITH_PRIVATE (GtkHSV, gtk_hsv, GTK_TYPE_WIDGET) - -/* Class initialization function for the HSV color selector */ -static void -gtk_hsv_class_init (GtkHSVClass *class) -{ - GObjectClass *gobject_class; - GtkWidgetClass *widget_class; - GtkHSVClass *hsv_class; - GtkBindingSet *binding_set; - - gobject_class = (GObjectClass *) class; - widget_class = (GtkWidgetClass *) class; - hsv_class = GTK_HSV_CLASS (class); - - widget_class->destroy = gtk_hsv_destroy; - widget_class->realize = gtk_hsv_realize; - widget_class->unrealize = gtk_hsv_unrealize; - widget_class->get_preferred_width = gtk_hsv_get_preferred_width; - widget_class->get_preferred_height = gtk_hsv_get_preferred_height; - widget_class->size_allocate = gtk_hsv_size_allocate; - widget_class->button_press_event = gtk_hsv_button_press; - widget_class->button_release_event = gtk_hsv_button_release; - widget_class->motion_notify_event = gtk_hsv_motion; - widget_class->draw = gtk_hsv_draw; - widget_class->focus = gtk_hsv_focus; - widget_class->grab_broken_event = gtk_hsv_grab_broken; - - gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_COLOR_CHOOSER); - - hsv_class->move = gtk_hsv_move; - - hsv_signals[CHANGED] = - g_signal_new (I_("changed"), - G_OBJECT_CLASS_TYPE (gobject_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GtkHSVClass, changed), - NULL, NULL, - NULL, - G_TYPE_NONE, 0); - - hsv_signals[MOVE] = - g_signal_new (I_("move"), - G_OBJECT_CLASS_TYPE (gobject_class), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (GtkHSVClass, move), - NULL, NULL, - NULL, - G_TYPE_NONE, 1, - GTK_TYPE_DIRECTION_TYPE); - - binding_set = gtk_binding_set_by_class (class); - - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Up, 0, - "move", 1, - G_TYPE_ENUM, GTK_DIR_UP); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Up, 0, - "move", 1, - G_TYPE_ENUM, GTK_DIR_UP); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Down, 0, - "move", 1, - G_TYPE_ENUM, GTK_DIR_DOWN); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Down, 0, - "move", 1, - G_TYPE_ENUM, GTK_DIR_DOWN); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Right, 0, - "move", 1, - G_TYPE_ENUM, GTK_DIR_RIGHT); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Right, 0, - "move", 1, - G_TYPE_ENUM, GTK_DIR_RIGHT); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_Left, 0, - "move", 1, - G_TYPE_ENUM, GTK_DIR_LEFT); - gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Left, 0, - "move", 1, - G_TYPE_ENUM, GTK_DIR_LEFT); -} - -static void -gtk_hsv_init (GtkHSV *hsv) -{ - GtkHSVPrivate *priv; - - priv = gtk_hsv_get_instance_private (hsv); - hsv->priv = priv; - - gtk_widget_set_has_window (GTK_WIDGET (hsv), FALSE); - gtk_widget_set_can_focus (GTK_WIDGET (hsv), TRUE); - - priv->h = 0.0; - priv->s = 0.0; - priv->v = 0.0; - - priv->size = DEFAULT_SIZE; - priv->ring_width = DEFAULT_RING_WIDTH; -} - -static void -gtk_hsv_destroy (GtkWidget *widget) -{ - GTK_WIDGET_CLASS (gtk_hsv_parent_class)->destroy (widget); -} - -static void -gtk_hsv_realize (GtkWidget *widget) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - GtkAllocation allocation; - GdkWindow *parent_window; - GdkWindowAttr attr; - int attr_mask; - - gtk_widget_set_realized (widget, TRUE); - - gtk_widget_get_allocation (widget, &allocation); - - attr.window_type = GDK_WINDOW_CHILD; - attr.x = allocation.x; - attr.y = allocation.y; - attr.width = allocation.width; - attr.height = allocation.height; - attr.wclass = GDK_INPUT_ONLY; - attr.event_mask = gtk_widget_get_events (widget); - attr.event_mask |= (GDK_KEY_PRESS_MASK - | GDK_BUTTON_PRESS_MASK - | GDK_BUTTON_RELEASE_MASK - | GDK_POINTER_MOTION_MASK - | GDK_ENTER_NOTIFY_MASK - | GDK_LEAVE_NOTIFY_MASK); - attr_mask = GDK_WA_X | GDK_WA_Y; - - parent_window = gtk_widget_get_parent_window (widget); - gtk_widget_set_window (widget, parent_window); - g_object_ref (parent_window); - - priv->window = gdk_window_new (parent_window, &attr, attr_mask); - gdk_window_set_user_data (priv->window, hsv); - gdk_window_show (priv->window); -} - -static void -gtk_hsv_unrealize (GtkWidget *widget) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - - gdk_window_set_user_data (priv->window, NULL); - gdk_window_destroy (priv->window); - priv->window = NULL; - - GTK_WIDGET_CLASS (gtk_hsv_parent_class)->unrealize (widget); -} - -static void -gtk_hsv_get_preferred_width (GtkWidget *widget, - gint *minimum, - gint *natural) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - gint focus_width; - gint focus_pad; - - gtk_widget_style_get (widget, - "focus-line-width", &focus_width, - "focus-padding", &focus_pad, - NULL); - - *minimum = priv->size + 2 * (focus_width + focus_pad); - *natural = priv->size + 2 * (focus_width + focus_pad); -} - -static void -gtk_hsv_get_preferred_height (GtkWidget *widget, - gint *minimum, - gint *natural) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - gint focus_width; - gint focus_pad; - - gtk_widget_style_get (widget, - "focus-line-width", &focus_width, - "focus-padding", &focus_pad, - NULL); - - *minimum = priv->size + 2 * (focus_width + focus_pad); - *natural = priv->size + 2 * (focus_width + focus_pad); -} - -static void -gtk_hsv_size_allocate (GtkWidget *widget, - GtkAllocation *allocation) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - - gtk_widget_set_allocation (widget, allocation); - - if (gtk_widget_get_realized (widget)) - gdk_window_move_resize (priv->window, - allocation->x, - allocation->y, - allocation->width, - allocation->height); -} - - -/* Utility functions */ - -#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11) - -/* Converts from HSV to RGB */ -static void -hsv_to_rgb (gdouble *h, - gdouble *s, - gdouble *v) -{ - gdouble hue, saturation, value; - gdouble f, p, q, t; - - if (*s == 0.0) - { - *h = *v; - *s = *v; - *v = *v; /* heh */ - } - else - { - hue = *h * 6.0; - saturation = *s; - value = *v; - - if (hue == 6.0) - hue = 0.0; - - f = hue - (int) hue; - p = value * (1.0 - saturation); - q = value * (1.0 - saturation * f); - t = value * (1.0 - saturation * (1.0 - f)); - - switch ((int) hue) - { - case 0: - *h = value; - *s = t; - *v = p; - break; - - case 1: - *h = q; - *s = value; - *v = p; - break; - - case 2: - *h = p; - *s = value; - *v = t; - break; - - case 3: - *h = p; - *s = q; - *v = value; - break; - - case 4: - *h = t; - *s = p; - *v = value; - break; - - case 5: - *h = value; - *s = p; - *v = q; - break; - - default: - g_assert_not_reached (); - } - } -} - -/* Computes the vertices of the saturation/value triangle */ -static void -compute_triangle (GtkHSV *hsv, - gint *hx, - gint *hy, - gint *sx, - gint *sy, - gint *vx, - gint *vy) -{ - GtkHSVPrivate *priv = hsv->priv; - GtkWidget *widget = GTK_WIDGET (hsv); - gdouble center_x; - gdouble center_y; - gdouble inner, outer; - gdouble angle; - - center_x = gtk_widget_get_allocated_width (widget) / 2.0; - center_y = gtk_widget_get_allocated_height (widget) / 2.0; - outer = priv->size / 2.0; - inner = outer - priv->ring_width; - angle = priv->h * 2.0 * G_PI; - - *hx = floor (center_x + cos (angle) * inner + 0.5); - *hy = floor (center_y - sin (angle) * inner + 0.5); - *sx = floor (center_x + cos (angle + 2.0 * G_PI / 3.0) * inner + 0.5); - *sy = floor (center_y - sin (angle + 2.0 * G_PI / 3.0) * inner + 0.5); - *vx = floor (center_x + cos (angle + 4.0 * G_PI / 3.0) * inner + 0.5); - *vy = floor (center_y - sin (angle + 4.0 * G_PI / 3.0) * inner + 0.5); -} - -/* Computes whether a point is inside the hue ring */ -static gboolean -is_in_ring (GtkHSV *hsv, - gdouble x, - gdouble y) -{ - GtkHSVPrivate *priv = hsv->priv; - GtkWidget *widget = GTK_WIDGET (hsv); - gdouble dx, dy, dist; - gdouble center_x; - gdouble center_y; - gdouble inner, outer; - - center_x = gtk_widget_get_allocated_width (widget) / 2.0; - center_y = gtk_widget_get_allocated_height (widget) / 2.0; - outer = priv->size / 2.0; - inner = outer - priv->ring_width; - - dx = x - center_x; - dy = center_y - y; - dist = dx * dx + dy * dy; - - return (dist >= inner * inner && dist <= outer * outer); -} - -/* Computes a saturation/value pair based on the mouse coordinates */ -static void -compute_sv (GtkHSV *hsv, - gdouble x, - gdouble y, - gdouble *s, - gdouble *v) -{ - GtkWidget *widget = GTK_WIDGET (hsv); - int ihx, ihy, isx, isy, ivx, ivy; - double hx, hy, sx, sy, vx, vy; - double center_x; - double center_y; - - compute_triangle (hsv, &ihx, &ihy, &isx, &isy, &ivx, &ivy); - center_x = gtk_widget_get_allocated_width (widget) / 2.0; - center_y = gtk_widget_get_allocated_height (widget) / 2.0; - hx = ihx - center_x; - hy = center_y - ihy; - sx = isx - center_x; - sy = center_y - isy; - vx = ivx - center_x; - vy = center_y - ivy; - x -= center_x; - y = center_y - y; - - if (vx * (x - sx) + vy * (y - sy) < 0.0) - { - *s = 1.0; - *v = (((x - sx) * (hx - sx) + (y - sy) * (hy-sy)) - / ((hx - sx) * (hx - sx) + (hy - sy) * (hy - sy))); - - if (*v < 0.0) - *v = 0.0; - else if (*v > 1.0) - *v = 1.0; - } - else if (hx * (x - sx) + hy * (y - sy) < 0.0) - { - *s = 0.0; - *v = (((x - sx) * (vx - sx) + (y - sy) * (vy - sy)) - / ((vx - sx) * (vx - sx) + (vy - sy) * (vy - sy))); - - if (*v < 0.0) - *v = 0.0; - else if (*v > 1.0) - *v = 1.0; - } - else if (sx * (x - hx) + sy * (y - hy) < 0.0) - { - *v = 1.0; - *s = (((x - vx) * (hx - vx) + (y - vy) * (hy - vy)) / - ((hx - vx) * (hx - vx) + (hy - vy) * (hy - vy))); - - if (*s < 0.0) - *s = 0.0; - else if (*s > 1.0) - *s = 1.0; - } - else - { - *v = (((x - sx) * (hy - vy) - (y - sy) * (hx - vx)) - / ((vx - sx) * (hy - vy) - (vy - sy) * (hx - vx))); - - if (*v<= 0.0) - { - *v = 0.0; - *s = 0.0; - } - else - { - if (*v > 1.0) - *v = 1.0; - - if (fabs (hy - vy) < fabs (hx - vx)) - *s = (x - sx - *v * (vx - sx)) / (*v * (hx - vx)); - else - *s = (y - sy - *v * (vy - sy)) / (*v * (hy - vy)); - - if (*s < 0.0) - *s = 0.0; - else if (*s > 1.0) - *s = 1.0; - } - } -} - -/* Computes whether a point is inside the saturation/value triangle */ -static gboolean -is_in_triangle (GtkHSV *hsv, - gdouble x, - gdouble y) -{ - int hx, hy, sx, sy, vx, vy; - double det, s, v; - - compute_triangle (hsv, &hx, &hy, &sx, &sy, &vx, &vy); - - det = (vx - sx) * (hy - sy) - (vy - sy) * (hx - sx); - - s = ((x - sx) * (hy - sy) - (y - sy) * (hx - sx)) / det; - v = ((vx - sx) * (y - sy) - (vy - sy) * (x - sx)) / det; - - return (s >= 0.0 && v >= 0.0 && s + v <= 1.0); -} - -/* Computes a value based on the mouse coordinates */ -static double -compute_v (GtkHSV *hsv, - gdouble x, - gdouble y) -{ - GtkWidget *widget = GTK_WIDGET (hsv); - double center_x; - double center_y; - double dx, dy; - double angle; - - center_x = gtk_widget_get_allocated_width (widget) / 2.0; - center_y = gtk_widget_get_allocated_height (widget) / 2.0; - dx = x - center_x; - dy = center_y - y; - - angle = atan2 (dy, dx); - if (angle < 0.0) - angle += 2.0 * G_PI; - - return angle / (2.0 * G_PI); -} - -/* Event handlers */ - -static void -set_cross_grab (GtkHSV *hsv, - GdkDevice *device, - guint32 time) -{ - GtkHSVPrivate *priv = hsv->priv; - GdkCursor *cursor; - - cursor = gdk_cursor_new_for_display (gtk_widget_get_display (GTK_WIDGET (hsv)), - GDK_CROSSHAIR); - gdk_device_grab (device, - priv->window, - GDK_OWNERSHIP_NONE, - FALSE, - GDK_POINTER_MOTION_MASK - | GDK_POINTER_MOTION_HINT_MASK - | GDK_BUTTON_RELEASE_MASK, - cursor, - time); - g_object_unref (cursor); -} - -static gboolean -gtk_hsv_grab_broken (GtkWidget *widget, - GdkEventGrabBroken *event) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - - priv->mode = DRAG_NONE; - - return TRUE; -} - -static gint -gtk_hsv_button_press (GtkWidget *widget, - GdkEventButton *event) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - double x, y; - - if (priv->mode != DRAG_NONE || event->button != GDK_BUTTON_PRIMARY) - return FALSE; - - x = event->x; - y = event->y; - - if (is_in_ring (hsv, x, y)) - { - priv->mode = DRAG_H; - set_cross_grab (hsv, gdk_event_get_device ((GdkEvent *) event), event->time); - - gtk_hsv_set_color (hsv, - compute_v (hsv, x, y), - priv->s, - priv->v); - - gtk_widget_grab_focus (widget); - priv->focus_on_ring = TRUE; - - return TRUE; - } - - if (is_in_triangle (hsv, x, y)) - { - gdouble s, v; - - priv->mode = DRAG_SV; - set_cross_grab (hsv, gdk_event_get_device ((GdkEvent *) event), event->time); - - compute_sv (hsv, x, y, &s, &v); - gtk_hsv_set_color (hsv, priv->h, s, v); - - gtk_widget_grab_focus (widget); - priv->focus_on_ring = FALSE; - - return TRUE; - } - - return FALSE; -} - -static gint -gtk_hsv_button_release (GtkWidget *widget, - GdkEventButton *event) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - DragMode mode; - gdouble x, y; - - if (priv->mode == DRAG_NONE || event->button != GDK_BUTTON_PRIMARY) - return FALSE; - - /* Set the drag mode to DRAG_NONE so that signal handlers for "catched" - * can see that this is the final color state. - */ - mode = priv->mode; - priv->mode = DRAG_NONE; - - x = event->x; - y = event->y; - - if (mode == DRAG_H) - { - gtk_hsv_set_color (hsv, compute_v (hsv, x, y), priv->s, priv->v); - } - else if (mode == DRAG_SV) - { - gdouble s, v; - - compute_sv (hsv, x, y, &s, &v); - gtk_hsv_set_color (hsv, priv->h, s, v); - } - else - { - g_assert_not_reached (); - } - - gdk_device_ungrab (gdk_event_get_device ((GdkEvent *) event), event->time); - - return TRUE; -} - -static gint -gtk_hsv_motion (GtkWidget *widget, - GdkEventMotion *event) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - gdouble x, y; - - if (priv->mode == DRAG_NONE) - return FALSE; - - gdk_event_request_motions (event); - x = event->x; - y = event->y; - - if (priv->mode == DRAG_H) - { - gtk_hsv_set_color (hsv, compute_v (hsv, x, y), priv->s, priv->v); - return TRUE; - } - else if (priv->mode == DRAG_SV) - { - gdouble s, v; - - compute_sv (hsv, x, y, &s, &v); - gtk_hsv_set_color (hsv, priv->h, s, v); - return TRUE; - } - - g_assert_not_reached (); - - return FALSE; -} - - -/* Redrawing */ - -/* Paints the hue ring */ -static void -paint_ring (GtkHSV *hsv, - cairo_t *cr) -{ - GtkHSVPrivate *priv = hsv->priv; - GtkWidget *widget = GTK_WIDGET (hsv); - int xx, yy, width, height; - gdouble dx, dy, dist; - gdouble center_x; - gdouble center_y; - gdouble inner, outer; - guint32 *buf, *p; - gdouble angle; - gdouble hue; - gdouble r, g, b; - cairo_surface_t *source; - cairo_t *source_cr; - gint stride; - - width = gtk_widget_get_allocated_width (widget); - height = gtk_widget_get_allocated_height (widget); - - center_x = width / 2.0; - center_y = height / 2.0; - - outer = priv->size / 2.0; - inner = outer - priv->ring_width; - - /* Create an image initialized with the ring colors */ - - stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, width); - buf = g_new (guint32, height * stride / 4); - - for (yy = 0; yy < height; yy++) - { - p = buf + yy * width; - - dy = -(yy - center_y); - - for (xx = 0; xx < width; xx++) - { - dx = xx - center_x; - - dist = dx * dx + dy * dy; - if (dist < ((inner-1) * (inner-1)) || dist > ((outer+1) * (outer+1))) - { - *p++ = 0; - continue; - } - - angle = atan2 (dy, dx); - if (angle < 0.0) - angle += 2.0 * G_PI; - - hue = angle / (2.0 * G_PI); - - r = hue; - g = 1.0; - b = 1.0; - hsv_to_rgb (&r, &g, &b); - - *p++ = (((int)floor (r * 255 + 0.5) << 16) | - ((int)floor (g * 255 + 0.5) << 8) | - (int)floor (b * 255 + 0.5)); - } - } - - source = cairo_image_surface_create_for_data ((unsigned char *)buf, - CAIRO_FORMAT_RGB24, - width, height, stride); - - /* Now draw the value marker onto the source image, so that it - * will get properly clipped at the edges of the ring - */ - source_cr = cairo_create (source); - - r = priv->h; - g = 1.0; - b = 1.0; - hsv_to_rgb (&r, &g, &b); - - if (INTENSITY (r, g, b) > 0.5) - cairo_set_source_rgb (source_cr, 0., 0., 0.); - else - cairo_set_source_rgb (source_cr, 1., 1., 1.); - - cairo_move_to (source_cr, center_x, center_y); - cairo_line_to (source_cr, - center_x + cos (priv->h * 2.0 * G_PI) * priv->size / 2, - center_y - sin (priv->h * 2.0 * G_PI) * priv->size / 2); - cairo_stroke (source_cr); - cairo_destroy (source_cr); - - /* Draw the ring using the source image */ - - cairo_save (cr); - - cairo_set_source_surface (cr, source, 0, 0); - cairo_surface_destroy (source); - - cairo_set_line_width (cr, priv->ring_width); - cairo_new_path (cr); - cairo_arc (cr, - center_x, center_y, - priv->size / 2. - priv->ring_width / 2., - 0, 2 * G_PI); - cairo_stroke (cr); - - cairo_restore (cr); - - g_free (buf); -} - -/* Converts an HSV triplet to an integer RGB triplet */ -static void -get_color (gdouble h, - gdouble s, - gdouble v, - gint *r, - gint *g, - gint *b) -{ - hsv_to_rgb (&h, &s, &v); - - *r = floor (h * 255 + 0.5); - *g = floor (s * 255 + 0.5); - *b = floor (v * 255 + 0.5); -} - -#define SWAP(a, b, t) ((t) = (a), (a) = (b), (b) = (t)) - -#define LERP(a, b, v1, v2, i) (((v2) - (v1) != 0) \ - ? ((a) + ((b) - (a)) * ((i) - (v1)) / ((v2) - (v1))) \ - : (a)) - -/* Number of pixels we extend out from the edges when creating - * color source to avoid artifacts - */ -#define PAD 3 - -/* Paints the HSV triangle */ -static void -paint_triangle (GtkHSV *hsv, - cairo_t *cr, - gboolean draw_focus) -{ - GtkHSVPrivate *priv = hsv->priv; - GtkWidget *widget = GTK_WIDGET (hsv); - gint hx, hy, sx, sy, vx, vy; /* HSV vertices */ - gint x1, y1, r1, g1, b1; /* First vertex in scanline order */ - gint x2, y2, r2, g2, b2; /* Second vertex */ - gint x3, y3, r3, g3, b3; /* Third vertex */ - gint t; - guint32 *buf, *p, c; - gint xl, xr, rl, rr, gl, gr, bl, br; /* Scanline data */ - gint xx, yy; - gint x_interp, y_interp; - gint x_start, x_end; - cairo_surface_t *source; - gdouble r, g, b; - gint stride; - int width, height; - GtkStyleContext *context; - - priv = hsv->priv; - width = gtk_widget_get_allocated_width (widget); - height = gtk_widget_get_allocated_height (widget); - /* Compute triangle's vertices */ - - compute_triangle (hsv, &hx, &hy, &sx, &sy, &vx, &vy); - - x1 = hx; - y1 = hy; - get_color (priv->h, 1.0, 1.0, &r1, &g1, &b1); - - x2 = sx; - y2 = sy; - get_color (priv->h, 1.0, 0.0, &r2, &g2, &b2); - - x3 = vx; - y3 = vy; - get_color (priv->h, 0.0, 1.0, &r3, &g3, &b3); - - if (y2 > y3) - { - SWAP (x2, x3, t); - SWAP (y2, y3, t); - SWAP (r2, r3, t); - SWAP (g2, g3, t); - SWAP (b2, b3, t); - } - - if (y1 > y3) - { - SWAP (x1, x3, t); - SWAP (y1, y3, t); - SWAP (r1, r3, t); - SWAP (g1, g3, t); - SWAP (b1, b3, t); - } - - if (y1 > y2) - { - SWAP (x1, x2, t); - SWAP (y1, y2, t); - SWAP (r1, r2, t); - SWAP (g1, g2, t); - SWAP (b1, b2, t); - } - - /* Shade the triangle */ - - stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, width); - buf = g_new (guint32, height * stride / 4); - - for (yy = 0; yy < height; yy++) - { - p = buf + yy * width; - - if (yy >= y1 - PAD && yy < y3 + PAD) { - y_interp = CLAMP (yy, y1, y3); - - if (y_interp < y2) - { - xl = LERP (x1, x2, y1, y2, y_interp); - - rl = LERP (r1, r2, y1, y2, y_interp); - gl = LERP (g1, g2, y1, y2, y_interp); - bl = LERP (b1, b2, y1, y2, y_interp); - } - else - { - xl = LERP (x2, x3, y2, y3, y_interp); - - rl = LERP (r2, r3, y2, y3, y_interp); - gl = LERP (g2, g3, y2, y3, y_interp); - bl = LERP (b2, b3, y2, y3, y_interp); - } - - xr = LERP (x1, x3, y1, y3, y_interp); - - rr = LERP (r1, r3, y1, y3, y_interp); - gr = LERP (g1, g3, y1, y3, y_interp); - br = LERP (b1, b3, y1, y3, y_interp); - - if (xl > xr) - { - SWAP (xl, xr, t); - SWAP (rl, rr, t); - SWAP (gl, gr, t); - SWAP (bl, br, t); - } - - x_start = MAX (xl - PAD, 0); - x_end = MIN (xr + PAD, width); - x_start = MIN (x_start, x_end); - - c = (rl << 16) | (gl << 8) | bl; - - for (xx = 0; xx < x_start; xx++) - *p++ = c; - - for (; xx < x_end; xx++) - { - x_interp = CLAMP (xx, xl, xr); - - *p++ = ((LERP (rl, rr, xl, xr, x_interp) << 16) | - (LERP (gl, gr, xl, xr, x_interp) << 8) | - LERP (bl, br, xl, xr, x_interp)); - } - - c = (rr << 16) | (gr << 8) | br; - - for (; xx < width; xx++) - *p++ = c; - } - } - - source = cairo_image_surface_create_for_data ((unsigned char *)buf, - CAIRO_FORMAT_RGB24, - width, height, stride); - - /* Draw a triangle with the image as a source */ - - cairo_set_source_surface (cr, source, 0, 0); - cairo_surface_destroy (source); - - cairo_move_to (cr, x1, y1); - cairo_line_to (cr, x2, y2); - cairo_line_to (cr, x3, y3); - cairo_close_path (cr); - cairo_fill (cr); - - g_free (buf); - - /* Draw value marker */ - - xx = floor (sx + (vx - sx) * priv->v + (hx - vx) * priv->s * priv->v + 0.5); - yy = floor (sy + (vy - sy) * priv->v + (hy - vy) * priv->s * priv->v + 0.5); - - r = priv->h; - g = priv->s; - b = priv->v; - hsv_to_rgb (&r, &g, &b); - - context = gtk_widget_get_style_context (widget); - - gtk_style_context_save (context); - - if (INTENSITY (r, g, b) > 0.5) - { - gtk_style_context_add_class (context, "light-area-focus"); - cairo_set_source_rgb (cr, 0., 0., 0.); - } - else - { - gtk_style_context_add_class (context, "dark-area-focus"); - cairo_set_source_rgb (cr, 1., 1., 1.); - } - -#define RADIUS 4 -#define FOCUS_RADIUS 6 - - cairo_new_path (cr); - cairo_arc (cr, xx, yy, RADIUS, 0, 2 * G_PI); - cairo_stroke (cr); - - /* Draw focus outline */ - - if (draw_focus && !priv->focus_on_ring) - { - gint focus_width; - gint focus_pad; - - gtk_widget_style_get (widget, - "focus-line-width", &focus_width, - "focus-padding", &focus_pad, - NULL); - - gtk_render_focus (context, cr, - xx - FOCUS_RADIUS - focus_width - focus_pad, - yy - FOCUS_RADIUS - focus_width - focus_pad, - 2 * (FOCUS_RADIUS + focus_width + focus_pad), - 2 * (FOCUS_RADIUS + focus_width + focus_pad)); - } - - gtk_style_context_restore (context); -} - -/* Paints the contents of the HSV color selector */ -static gboolean -gtk_hsv_draw (GtkWidget *widget, - cairo_t *cr) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - gboolean draw_focus; - - draw_focus = gtk_widget_has_visible_focus (widget); - - paint_ring (hsv, cr); - paint_triangle (hsv, cr, draw_focus); - - - if (draw_focus && priv->focus_on_ring) - { - GtkStyleContext *context; - - context = gtk_widget_get_style_context (widget); - - gtk_render_focus (context, cr, 0, 0, - gtk_widget_get_allocated_width (widget), - gtk_widget_get_allocated_height (widget)); - } - - return FALSE; -} - -static gboolean -gtk_hsv_focus (GtkWidget *widget, - GtkDirectionType dir) -{ - GtkHSV *hsv = GTK_HSV (widget); - GtkHSVPrivate *priv = hsv->priv; - - if (!gtk_widget_has_focus (widget)) - { - if (dir == GTK_DIR_TAB_BACKWARD) - priv->focus_on_ring = FALSE; - else - priv->focus_on_ring = TRUE; - - gtk_widget_grab_focus (GTK_WIDGET (hsv)); - return TRUE; - } - - switch (dir) - { - case GTK_DIR_UP: - if (priv->focus_on_ring) - return FALSE; - else - priv->focus_on_ring = TRUE; - break; - - case GTK_DIR_DOWN: - if (priv->focus_on_ring) - priv->focus_on_ring = FALSE; - else - return FALSE; - break; - - case GTK_DIR_LEFT: - case GTK_DIR_TAB_BACKWARD: - if (priv->focus_on_ring) - return FALSE; - else - priv->focus_on_ring = TRUE; - break; - - case GTK_DIR_RIGHT: - case GTK_DIR_TAB_FORWARD: - if (priv->focus_on_ring) - priv->focus_on_ring = FALSE; - else - return FALSE; - break; - } - - gtk_widget_queue_draw (GTK_WIDGET (hsv)); - - return TRUE; -} - -/** - * gtk_hsv_new: - * - * Creates a new HSV color selector. - * - * Returns: A newly-created HSV color selector. - * - * Since: 2.14 - */ -GtkWidget* -gtk_hsv_new (void) -{ - return g_object_new (GTK_TYPE_HSV, NULL); -} - -/** - * gtk_hsv_set_color: - * @hsv: An HSV color selector - * @h: Hue - * @s: Saturation - * @v: Value - * - * Sets the current color in an HSV color selector. - * Color component values must be in the [0.0, 1.0] range. - * - * Since: 2.14 - */ -void -gtk_hsv_set_color (GtkHSV *hsv, - gdouble h, - gdouble s, - gdouble v) -{ - GtkHSVPrivate *priv; - - g_return_if_fail (GTK_IS_HSV (hsv)); - g_return_if_fail (h >= 0.0 && h <= 1.0); - g_return_if_fail (s >= 0.0 && s <= 1.0); - g_return_if_fail (v >= 0.0 && v <= 1.0); - - priv = hsv->priv; - - priv->h = h; - priv->s = s; - priv->v = v; - - g_signal_emit (hsv, hsv_signals[CHANGED], 0); - - gtk_widget_queue_draw (GTK_WIDGET (hsv)); -} - -/** - * gtk_hsv_get_color: - * @hsv: An HSV color selector - * @h: (out): Return value for the hue - * @s: (out): Return value for the saturation - * @v: (out): Return value for the value - * - * Queries the current color in an HSV color selector. - * Returned values will be in the [0.0, 1.0] range. - * - * Since: 2.14 - */ -void -gtk_hsv_get_color (GtkHSV *hsv, - double *h, - double *s, - double *v) -{ - GtkHSVPrivate *priv; - - g_return_if_fail (GTK_IS_HSV (hsv)); - - priv = hsv->priv; - - if (h) - *h = priv->h; - - if (s) - *s = priv->s; - - if (v) - *v = priv->v; -} - -/** - * gtk_hsv_set_metrics: - * @hsv: An HSV color selector - * @size: Diameter for the hue ring - * @ring_width: Width of the hue ring - * - * Sets the size and ring width of an HSV color selector. - * - * Since: 2.14 - */ -void -gtk_hsv_set_metrics (GtkHSV *hsv, - gint size, - gint ring_width) -{ - GtkHSVPrivate *priv; - int same_size; - - g_return_if_fail (GTK_IS_HSV (hsv)); - g_return_if_fail (size > 0); - g_return_if_fail (ring_width > 0); - g_return_if_fail (2 * ring_width + 1 <= size); - - priv = hsv->priv; - - same_size = (priv->size == size); - - priv->size = size; - priv->ring_width = ring_width; - - if (same_size) - gtk_widget_queue_draw (GTK_WIDGET (hsv)); - else - gtk_widget_queue_resize (GTK_WIDGET (hsv)); -} - -/** - * gtk_hsv_get_metrics: - * @hsv: An HSV color selector - * @size: (out): Return value for the diameter of the hue ring - * @ring_width: (out): Return value for the width of the hue ring - * - * Queries the size and ring width of an HSV color selector. - * - * Since: 2.14 - */ -void -gtk_hsv_get_metrics (GtkHSV *hsv, - gint *size, - gint *ring_width) -{ - GtkHSVPrivate *priv; - - g_return_if_fail (GTK_IS_HSV (hsv)); - - priv = hsv->priv; - - if (size) - *size = priv->size; - - if (ring_width) - *ring_width = priv->ring_width; -} - -/** - * gtk_hsv_is_adjusting: - * @hsv: A #GtkHSV - * - * An HSV color selector can be said to be adjusting if multiple rapid - * changes are being made to its value, for example, when the user is - * adjusting the value with the mouse. This function queries whether - * the HSV color selector is being adjusted or not. - * - * Returns: %TRUE if clients can ignore changes to the color value, - * since they may be transitory, or %FALSE if they should consider - * the color value status to be final. - * - * Since: 2.14 - */ -gboolean -gtk_hsv_is_adjusting (GtkHSV *hsv) -{ - GtkHSVPrivate *priv; - - g_return_val_if_fail (GTK_IS_HSV (hsv), FALSE); - - priv = hsv->priv; - - return priv->mode != DRAG_NONE; -} - -static void -gtk_hsv_move (GtkHSV *hsv, - GtkDirectionType dir) -{ - GtkHSVPrivate *priv = hsv->priv; - gdouble hue, sat, val; - gint hx, hy, sx, sy, vx, vy; /* HSV vertices */ - gint x, y; /* position in triangle */ - - hue = priv->h; - sat = priv->s; - val = priv->v; - - compute_triangle (hsv, &hx, &hy, &sx, &sy, &vx, &vy); - - x = floor (sx + (vx - sx) * priv->v + (hx - vx) * priv->s * priv->v + 0.5); - y = floor (sy + (vy - sy) * priv->v + (hy - vy) * priv->s * priv->v + 0.5); - -#define HUE_DELTA 0.002 - switch (dir) - { - case GTK_DIR_UP: - if (priv->focus_on_ring) - hue += HUE_DELTA; - else - { - y -= 1; - compute_sv (hsv, x, y, &sat, &val); - } - break; - - case GTK_DIR_DOWN: - if (priv->focus_on_ring) - hue -= HUE_DELTA; - else - { - y += 1; - compute_sv (hsv, x, y, &sat, &val); - } - break; - - case GTK_DIR_LEFT: - if (priv->focus_on_ring) - hue += HUE_DELTA; - else - { - x -= 1; - compute_sv (hsv, x, y, &sat, &val); - } - break; - - case GTK_DIR_RIGHT: - if (priv->focus_on_ring) - hue -= HUE_DELTA - ; - else - { - x += 1; - compute_sv (hsv, x, y, &sat, &val); - } - break; - - default: - /* we don't care about the tab directions */ - break; - } - - /* Wrap */ - if (hue < 0.0) - hue = 1.0; - else if (hue > 1.0) - hue = 0.0; - - gtk_hsv_set_color (hsv, hue, sat, val); -} - diff --git a/gtk/deprecated/gtkhsv.h b/gtk/deprecated/gtkhsv.h deleted file mode 100644 index ad99f420d8..0000000000 --- a/gtk/deprecated/gtkhsv.h +++ /dev/null @@ -1,107 +0,0 @@ -/* HSV color selector for GTK+ - * - * Copyright (C) 1999 The Free Software Foundation - * - * Authors: Simon Budig (original code) - * Federico Mena-Quintero (cleanup for GTK+) - * Jonathan Blandford (cleanup for GTK+) - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library. If not, see . - */ - -/* - * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS - * file for a list of people on the GTK+ Team. See the ChangeLog - * files for a list of changes. These files are distributed with - * GTK+ at ftp://ftp.gtk.org/pub/gtk/. - */ - -#ifndef __GTK_HSV_H__ -#define __GTK_HSV_H__ - -#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION) -#error "Only can be included directly." -#endif - -#include - -G_BEGIN_DECLS - -#define GTK_TYPE_HSV (gtk_hsv_get_type ()) -#define GTK_HSV(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_HSV, GtkHSV)) -#define GTK_HSV_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_HSV, GtkHSVClass)) -#define GTK_IS_HSV(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_HSV)) -#define GTK_IS_HSV_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_HSV)) -#define GTK_HSV_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_HSV, GtkHSVClass)) - - -typedef struct _GtkHSV GtkHSV; -typedef struct _GtkHSVPrivate GtkHSVPrivate; -typedef struct _GtkHSVClass GtkHSVClass; - -struct _GtkHSV -{ - GtkWidget parent_instance; - - /*< private >*/ - GtkHSVPrivate *priv; -}; - -struct _GtkHSVClass -{ - GtkWidgetClass parent_class; - - /* Notification signals */ - void (* changed) (GtkHSV *hsv); - - /* Keybindings */ - void (* move) (GtkHSV *hsv, - GtkDirectionType type); - - /* Padding for future expansion */ - void (*_gtk_reserved1) (void); - void (*_gtk_reserved2) (void); - void (*_gtk_reserved3) (void); - void (*_gtk_reserved4) (void); -}; - - -GDK_DEPRECATED_IN_3_4 -GType gtk_hsv_get_type (void) G_GNUC_CONST; -GDK_DEPRECATED_IN_3_4 -GtkWidget* gtk_hsv_new (void); -GDK_DEPRECATED_IN_3_4 -void gtk_hsv_set_color (GtkHSV *hsv, - double h, - double s, - double v); -GDK_DEPRECATED_IN_3_4 -void gtk_hsv_get_color (GtkHSV *hsv, - gdouble *h, - gdouble *s, - gdouble *v); -GDK_DEPRECATED_IN_3_4 -void gtk_hsv_set_metrics (GtkHSV *hsv, - gint size, - gint ring_width); -GDK_DEPRECATED_IN_3_4 -void gtk_hsv_get_metrics (GtkHSV *hsv, - gint *size, - gint *ring_width); -GDK_DEPRECATED_IN_3_4 -gboolean gtk_hsv_is_adjusting (GtkHSV *hsv); - -G_END_DECLS - -#endif /* __GTK_HSV_H__ */ diff --git a/gtk/gtk.h b/gtk/gtk.h index d4d882960e..65eace176d 100644 --- a/gtk/gtk.h +++ b/gtk/gtk.h @@ -249,7 +249,6 @@ #include #include #include -#include #include #include #include