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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /libgimpwidgets/gimpcolorselector.c | |
parent | Initial commit. (diff) | |
download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | libgimpwidgets/gimpcolorselector.c | 638 |
1 files changed, 638 insertions, 0 deletions
diff --git a/libgimpwidgets/gimpcolorselector.c b/libgimpwidgets/gimpcolorselector.c new file mode 100644 index 0000000..72023ac --- /dev/null +++ b/libgimpwidgets/gimpcolorselector.c @@ -0,0 +1,638 @@ +/* LIBGIMP - The GIMP Library + * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball + * + * gimpcolorselector.c + * Copyright (C) 2002 Michael Natterer <mitch@gimp.org> + * + * based on: + * Colour selector module + * Copyright (C) 1999 Austin Donnelly <austin@greenend.org.uk> + * + * 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 3 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 + * <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpcolor/gimpcolor.h" +#include "libgimpconfig/gimpconfig.h" + +#include "gimpwidgetstypes.h" + +#include "gimpcolorselector.h" +#include "gimpicons.h" +#include "gimpwidgetsmarshal.h" + + +/** + * SECTION: gimpcolorselector + * @title: GimpColorSelector + * @short_description: Pluggable GIMP color selector modules. + * @see_also: #GModule, #GTypeModule, #GimpModule + * + * Functions and definitions for creating pluggable GIMP color + * selector modules. + **/ + + +enum +{ + COLOR_CHANGED, + CHANNEL_CHANGED, + MODEL_VISIBLE_CHANGED, + LAST_SIGNAL +}; + + +typedef struct _GimpColorSelectorPrivate GimpColorSelectorPrivate; + +struct _GimpColorSelectorPrivate +{ + gboolean model_visible[3]; +}; + +#define GET_PRIVATE(obj) \ + ((GimpColorSelectorPrivate *) gimp_color_selector_get_instance_private ((GimpColorSelector *) (obj))) + + +static void gimp_color_selector_dispose (GObject *object); + + +G_DEFINE_TYPE_WITH_PRIVATE (GimpColorSelector, gimp_color_selector, + GTK_TYPE_BOX) + +#define parent_class gimp_color_selector_parent_class + +static guint selector_signals[LAST_SIGNAL] = { 0 }; + + +static void +gimp_color_selector_class_init (GimpColorSelectorClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = gimp_color_selector_dispose; + + selector_signals[COLOR_CHANGED] = + g_signal_new ("color-changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpColorSelectorClass, color_changed), + NULL, NULL, + _gimp_widgets_marshal_VOID__POINTER_POINTER, + G_TYPE_NONE, 2, + G_TYPE_POINTER, + G_TYPE_POINTER); + + selector_signals[CHANNEL_CHANGED] = + g_signal_new ("channel-changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpColorSelectorClass, channel_changed), + NULL, NULL, + _gimp_widgets_marshal_VOID__ENUM, + G_TYPE_NONE, 1, + GIMP_TYPE_COLOR_SELECTOR_CHANNEL); + + selector_signals[MODEL_VISIBLE_CHANGED] = + g_signal_new ("model-visible-changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpColorSelectorClass, model_visible_changed), + NULL, NULL, + _gimp_widgets_marshal_VOID__ENUM_BOOLEAN, + G_TYPE_NONE, 2, + GIMP_TYPE_COLOR_SELECTOR_MODEL, + G_TYPE_BOOLEAN); + + klass->name = "Unnamed"; + klass->help_id = NULL; + klass->icon_name = GIMP_ICON_PALETTE; + + klass->set_toggles_visible = NULL; + klass->set_toggles_sensitive = NULL; + klass->set_show_alpha = NULL; + klass->set_color = NULL; + klass->set_channel = NULL; + klass->set_model_visible = NULL; + klass->color_changed = NULL; + klass->channel_changed = NULL; + klass->model_visible_changed = NULL; + klass->set_config = NULL; +} + +static void +gimp_color_selector_init (GimpColorSelector *selector) +{ + GimpColorSelectorPrivate *priv = GET_PRIVATE (selector); + + selector->toggles_visible = TRUE; + selector->toggles_sensitive = TRUE; + selector->show_alpha = TRUE; + + gtk_orientable_set_orientation (GTK_ORIENTABLE (selector), + GTK_ORIENTATION_VERTICAL); + + gimp_rgba_set (&selector->rgb, 0.0, 0.0, 0.0, 1.0); + gimp_rgb_to_hsv (&selector->rgb, &selector->hsv); + + selector->channel = GIMP_COLOR_SELECTOR_RED; + + priv->model_visible[GIMP_COLOR_SELECTOR_MODEL_RGB] = TRUE; + priv->model_visible[GIMP_COLOR_SELECTOR_MODEL_LCH] = TRUE; + priv->model_visible[GIMP_COLOR_SELECTOR_MODEL_HSV] = FALSE; +} + +static void +gimp_color_selector_dispose (GObject *object) +{ + gimp_color_selector_set_config (GIMP_COLOR_SELECTOR (object), NULL); + + G_OBJECT_CLASS (parent_class)->dispose (object); +} + + +/* public functions */ + +/** + * gimp_color_selector_new: + * @selector_type: The #GType of the selector to create. + * @rgb: The initial color to be edited. + * @hsv: The same color in HSV. + * @channel: The selector's initial channel. + * + * Creates a new #GimpColorSelector widget of type @selector_type. + * + * Note that this is mostly internal API to be used by other widgets. + * + * Please use gimp_color_selection_new() for the "GIMP-typical" color + * selection widget. Also see gimp_color_button_new(). + * + * Retunn value: the new #GimpColorSelector widget. + **/ +GtkWidget * +gimp_color_selector_new (GType selector_type, + const GimpRGB *rgb, + const GimpHSV *hsv, + GimpColorSelectorChannel channel) +{ + GimpColorSelector *selector; + + g_return_val_if_fail (g_type_is_a (selector_type, GIMP_TYPE_COLOR_SELECTOR), + NULL); + g_return_val_if_fail (rgb != NULL, NULL); + g_return_val_if_fail (hsv != NULL, NULL); + + selector = g_object_new (selector_type, NULL); + + gimp_color_selector_set_color (selector, rgb, hsv); + gimp_color_selector_set_channel (selector, channel); + + return GTK_WIDGET (selector); +} + +/** + * gimp_color_selector_set_toggles_visible: + * @selector: A #GimpColorSelector widget. + * @visible: The new @visible setting. + * + * Sets the @visible property of the @selector's toggles. + * + * This function has no effect if this @selector instance has no + * toggles to switch channels. + **/ +void +gimp_color_selector_set_toggles_visible (GimpColorSelector *selector, + gboolean visible) +{ + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + + if (selector->toggles_visible != visible) + { + GimpColorSelectorClass *selector_class; + + selector->toggles_visible = visible ? TRUE : FALSE; + + selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector); + + if (selector_class->set_toggles_visible) + selector_class->set_toggles_visible (selector, visible); + } +} + +/** + * gimp_color_selector_get_toggles_visible: + * @selector: A #GimpColorSelector widget. + * + * Returns the @visible property of the @selector's toggles. + * + * Return value: #TRUE if the #GimpColorSelector's toggles are visible. + * + * Since: 2.10 + **/ +gboolean +gimp_color_selector_get_toggles_visible (GimpColorSelector *selector) +{ + g_return_val_if_fail (GIMP_IS_COLOR_SELECTOR (selector), FALSE); + + return selector->toggles_visible; +} + +/** + * gimp_color_selector_set_toggles_sensitive: + * @selector: A #GimpColorSelector widget. + * @sensitive: The new @sensitive setting. + * + * Sets the @sensitive property of the @selector's toggles. + * + * This function has no effect if this @selector instance has no + * toggles to switch channels. + **/ +void +gimp_color_selector_set_toggles_sensitive (GimpColorSelector *selector, + gboolean sensitive) +{ + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + + if (selector->toggles_sensitive != sensitive) + { + GimpColorSelectorClass *selector_class; + + selector->toggles_sensitive = sensitive ? TRUE : FALSE; + + selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector); + + if (selector_class->set_toggles_sensitive) + selector_class->set_toggles_sensitive (selector, sensitive); + } +} + +/** + * gimp_color_selector_get_toggles_sensitive: + * @selector: A #GimpColorSelector widget. + * + * Returns the @sensitive property of the @selector's toggles. + * + * Return value: #TRUE if the #GimpColorSelector's toggles are sensitive. + * + * Since: 2.10 + **/ +gboolean +gimp_color_selector_get_toggles_sensitive (GimpColorSelector *selector) +{ + g_return_val_if_fail (GIMP_IS_COLOR_SELECTOR (selector), FALSE); + + return selector->toggles_sensitive; +} + +/** + * gimp_color_selector_set_show_alpha: + * @selector: A #GimpColorSelector widget. + * @show_alpha: The new @show_alpha setting. + * + * Sets the @show_alpha property of the @selector widget. + **/ +void +gimp_color_selector_set_show_alpha (GimpColorSelector *selector, + gboolean show_alpha) +{ + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + + if (show_alpha != selector->show_alpha) + { + GimpColorSelectorClass *selector_class; + + selector->show_alpha = show_alpha ? TRUE : FALSE; + + selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector); + + if (selector_class->set_show_alpha) + selector_class->set_show_alpha (selector, show_alpha); + } +} + +/** + * gimp_color_selector_get_show_alpha: + * @selector: A #GimpColorSelector widget. + * + * Returns the @selector's @show_alpha property. + * + * Return value: #TRUE if the #GimpColorSelector has alpha controls. + * + * Since: 2.10 + **/ +gboolean +gimp_color_selector_get_show_alpha (GimpColorSelector *selector) +{ + g_return_val_if_fail (GIMP_IS_COLOR_SELECTOR (selector), FALSE); + + return selector->show_alpha; +} + +/** + * gimp_color_selector_set_color: + * @selector: A #GimpColorSelector widget. + * @rgb: The new color. + * @hsv: The same color in HSV. + * + * Sets the color shown in the @selector widget. + **/ +void +gimp_color_selector_set_color (GimpColorSelector *selector, + const GimpRGB *rgb, + const GimpHSV *hsv) +{ + GimpColorSelectorClass *selector_class; + + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + g_return_if_fail (rgb != NULL); + g_return_if_fail (hsv != NULL); + + selector->rgb = *rgb; + selector->hsv = *hsv; + + selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector); + + if (selector_class->set_color) + selector_class->set_color (selector, rgb, hsv); + + gimp_color_selector_color_changed (selector); +} + +/** + * gimp_color_selector_get_color: + * @selector: A #GimpColorSelector widget. + * @rgb: Return location for the color. + * @hsv: Return location for the same same color in HSV. + * + * Retrieves the color shown in the @selector widget. + * + * Since: 2.10 + **/ +void +gimp_color_selector_get_color (GimpColorSelector *selector, + GimpRGB *rgb, + GimpHSV *hsv) +{ + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + g_return_if_fail (rgb != NULL); + g_return_if_fail (hsv != NULL); + + *rgb = selector->rgb; + *hsv = selector->hsv; +} + +/** + * gimp_color_selector_set_channel: + * @selector: A #GimpColorSelector widget. + * @channel: The new @channel setting. + * + * Sets the @channel property of the @selector widget. + * + * Changes between displayed channels if this @selector instance has + * the ability to show different channels. + * This will also update the color model if needed. + **/ +void +gimp_color_selector_set_channel (GimpColorSelector *selector, + GimpColorSelectorChannel channel) +{ + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + + if (channel != selector->channel) + { + GimpColorSelectorClass *selector_class; + GimpColorSelectorModel model = -1; + + selector->channel = channel; + + switch (channel) + { + case GIMP_COLOR_SELECTOR_RED: + case GIMP_COLOR_SELECTOR_GREEN: + case GIMP_COLOR_SELECTOR_BLUE: + model = GIMP_COLOR_SELECTOR_MODEL_RGB; + break; + + case GIMP_COLOR_SELECTOR_HUE: + case GIMP_COLOR_SELECTOR_SATURATION: + case GIMP_COLOR_SELECTOR_VALUE: + model = GIMP_COLOR_SELECTOR_MODEL_HSV; + break; + + case GIMP_COLOR_SELECTOR_LCH_LIGHTNESS: + case GIMP_COLOR_SELECTOR_LCH_CHROMA: + case GIMP_COLOR_SELECTOR_LCH_HUE: + model = GIMP_COLOR_SELECTOR_MODEL_LCH; + break; + + case GIMP_COLOR_SELECTOR_ALPHA: + /* Alpha channel does not change the color model. */ + break; + + default: + /* Should not happen. */ + g_return_if_reached (); + break; + } + + selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector); + + if (selector_class->set_channel) + selector_class->set_channel (selector, channel); + + gimp_color_selector_channel_changed (selector); + + if (model != -1) + { + /* make visibility of LCH and HSV mutuallky exclusive */ + if (model == GIMP_COLOR_SELECTOR_MODEL_HSV) + { + gimp_color_selector_set_model_visible (selector, + GIMP_COLOR_SELECTOR_MODEL_LCH, + FALSE); + } + else if (model == GIMP_COLOR_SELECTOR_MODEL_LCH) + { + gimp_color_selector_set_model_visible (selector, + GIMP_COLOR_SELECTOR_MODEL_HSV, + FALSE); + } + + gimp_color_selector_set_model_visible (selector, model, TRUE); + } + } +} + +/** + * gimp_color_selector_get_channel: + * @selector: A #GimpColorSelector widget. + * + * Returns the @selector's current channel. + * + * Return value: The #GimpColorSelectorChannel currently shown by the + * @selector. + * + * Since: 2.10 + **/ +GimpColorSelectorChannel +gimp_color_selector_get_channel (GimpColorSelector *selector) +{ + g_return_val_if_fail (GIMP_IS_COLOR_SELECTOR (selector), + GIMP_COLOR_SELECTOR_RED); + + return selector->channel; +} + +/** + * gimp_color_selector_set_model_visible: + * @selector: A #GimpColorSelector widget. + * @model: The affected #GimpColorSelectorModel. + * @visible: The new visible setting. + * + * Sets the @model visible/invisible on the @selector widget. + * + * Toggles visibility of displayed models if this @selector instance + * has the ability to show different color models. + * + * Since: 2.10 + **/ +void +gimp_color_selector_set_model_visible (GimpColorSelector *selector, + GimpColorSelectorModel model, + gboolean visible) +{ + GimpColorSelectorPrivate *priv; + + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + + priv = GET_PRIVATE (selector); + + visible = visible ? TRUE : FALSE; + + if (visible != priv->model_visible[model]) + { + GimpColorSelectorClass *selector_class; + + priv->model_visible[model] = visible; + + selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector); + + if (selector_class->set_model_visible) + selector_class->set_model_visible (selector, model, visible); + + gimp_color_selector_model_visible_changed (selector, model); + } +} + +/** + * gimp_color_selector_get_model_visible: + * @selector: A #GimpColorSelector widget. + * @model: The #GimpColorSelectorModel. + * + * Return value: whether @model is visible in @selector. + * + * Since: 2.10 + **/ +gboolean +gimp_color_selector_get_model_visible (GimpColorSelector *selector, + GimpColorSelectorModel model) +{ + GimpColorSelectorPrivate *priv; + + g_return_val_if_fail (GIMP_IS_COLOR_SELECTOR (selector), FALSE); + + priv = GET_PRIVATE (selector); + + return priv->model_visible[model]; +} + +/** + * gimp_color_selector_color_changed: + * @selector: A #GimpColorSelector widget. + * + * Emits the "color-changed" signal. + **/ +void +gimp_color_selector_color_changed (GimpColorSelector *selector) +{ + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + + g_signal_emit (selector, selector_signals[COLOR_CHANGED], 0, + &selector->rgb, &selector->hsv); +} + +/** + * gimp_color_selector_channel_changed: + * @selector: A #GimpColorSelector widget. + * + * Emits the "channel-changed" signal. + **/ +void +gimp_color_selector_channel_changed (GimpColorSelector *selector) +{ + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + + g_signal_emit (selector, selector_signals[CHANNEL_CHANGED], 0, + selector->channel); +} + +/** + * gimp_color_selector_model_visible_changed: + * @selector: A #GimpColorSelector widget. + * + * Emits the "model-visible-changed" signal. + * + * Since: 2.10 + **/ +void +gimp_color_selector_model_visible_changed (GimpColorSelector *selector, + GimpColorSelectorModel model) +{ + GimpColorSelectorPrivate *priv; + + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + + priv = GET_PRIVATE (selector); + + g_signal_emit (selector, selector_signals[MODEL_VISIBLE_CHANGED], 0, + model, priv->model_visible[model]); +} + +/** + * gimp_color_selector_set_config: + * @selector: a #GimpColorSelector widget. + * @config: a #GimpColorConfig object. + * + * Sets the color management configuration to use with this color selector. + * + * Since: 2.4 + */ +void +gimp_color_selector_set_config (GimpColorSelector *selector, + GimpColorConfig *config) +{ + GimpColorSelectorClass *selector_class; + + g_return_if_fail (GIMP_IS_COLOR_SELECTOR (selector)); + g_return_if_fail (config == NULL || GIMP_IS_COLOR_CONFIG (config)); + + selector_class = GIMP_COLOR_SELECTOR_GET_CLASS (selector); + + if (selector_class->set_config) + selector_class->set_config (selector, config); +} |