/* The GIMP -- an image manipulation program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * color_notebook module (C) 1998 Austin Donnelly * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define __COLOR_NOTEBOOK_C__ 1 #include "config.h" #include #include #include #include #include #include #include "apptypes.h" #include "color_area.h" #include "color_notebook.h" #include "colormaps.h" #include "gimpdnd.h" #include "gimpui.h" #include "libgimp/gimphelpui.h" #include "libgimp/gimpcolorselector.h" #include "libgimp/gimpcolorspace.h" #include "libgimp/gimpintl.h" #define COLOR_AREA_WIDTH 74 #define COLOR_AREA_HEIGHT 20 typedef enum { UPDATE_NOTEBOOK = 1 << 0, UPDATE_CHANNEL = 1 << 1, UPDATE_NEW_COLOR = 1 << 2, UPDATE_ORIG_COLOR = 1 << 3, UPDATE_CALLER = 1 << 4 } ColorNotebookUpdateType; struct _ColorNotebook { GtkWidget *shell; GtkWidget *notebook; GtkWidget *new_color; GtkWidget *orig_color; GtkWidget *toggles[7]; GtkObject *slider_data[7]; GtkWidget *hex_entry; GdkGC *gc; gint values[7]; gint orig_values[4]; GimpColorSelectorChannelType active_channel; ColorNotebookCallback callback; gpointer client_data; gboolean wants_updates; gboolean show_alpha; ColorSelectorInstance *selectors; ColorSelectorInstance *cur_page; }; /* information we keep on each registered colour selector */ typedef struct _ColorSelectorInfo ColorSelectorInfo; struct _ColorSelectorInfo { gchar *name; /* label used in notebook tab */ gchar *help_page; GimpColorSelectorMethods methods; gint refs; /* number of instances around */ gboolean active; GimpColorSelectorFinishedCB death_callback; gpointer death_data; ColorSelectorInfo *next; }; struct _ColorSelectorInstance { ColorNotebook *color_notebook; ColorSelectorInfo *info; GtkWidget *frame; /* main widget */ gpointer selector_data; ColorSelectorInstance *next; }; static void color_notebook_ok_callback (GtkWidget *widget, gpointer data); static void color_notebook_cancel_callback (GtkWidget *widget, gpointer data); static void color_notebook_update_callback (gpointer data, gint hue, gint saturation, gint value, gint red, gint green, gint blue, gint alpha); static void color_notebook_page_switch (GtkWidget *widget, GtkNotebookPage *page, guint page_num, gpointer data); static void color_notebook_help_func (const gchar *help_data); static void color_notebook_selector_death (ColorSelectorInfo *info); static void color_notebook_update (ColorNotebook *cnp, ColorNotebookUpdateType update); static void color_notebook_update_notebook (ColorNotebook *cnp); static void color_notebook_update_channel (ColorNotebook *cnp); static void color_notebook_update_caller (ColorNotebook *cnp); static void color_notebook_update_colors (ColorNotebook *cnp, ColorNotebookUpdateType which); static void color_notebook_update_rgb_values (ColorNotebook *cnp); static void color_notebook_update_hsv_values (ColorNotebook *cnp); static void color_notebook_update_scales (ColorNotebook *cnp, gint skip); static gboolean color_notebook_color_events (GtkWidget *widget, GdkEvent *event, gpointer data); static void color_notebook_toggle_update (GtkWidget *widget, gpointer data); static void color_notebook_scale_update (GtkAdjustment *adjustment, gpointer data); static gint color_notebook_hex_entry_events (GtkWidget *widget, GdkEvent *event, gpointer data); static void color_notebook_drag_new_color (GtkWidget *widget, GimpRGB *color, gpointer data); static void color_notebook_drop_new_color (GtkWidget *widget, GimpRGB *color, gpointer data); static void color_notebook_drag_old_color (GtkWidget *widget, GimpRGB *color, gpointer data); /* master list of all registered colour selectors */ static ColorSelectorInfo *selector_info = NULL; /* dnd stuff */ static GtkTargetEntry color_notebook_target_table[] = { GIMP_TARGET_COLOR }; static guint n_color_notebook_targets = (sizeof (color_notebook_target_table) / sizeof (color_notebook_target_table[0])); ColorNotebook * color_notebook_new (GimpRGB *color, ColorNotebookCallback callback, gpointer client_data, gboolean wants_updates, gboolean show_alpha) { ColorNotebook *cnp; GtkWidget *main_hbox; GtkWidget *right_vbox; GtkWidget *colors_frame; GtkWidget *hbox; GtkWidget *table; GtkWidget *label; GSList *group; gchar buffer[16]; ColorSelectorInfo *info; ColorSelectorInstance *csel; gint i; guchar red, green, blue, alpha; static gchar *toggle_titles[] = { N_("H"), N_("S"), N_("V"), N_("R"), N_("G"), N_("B"), N_("A") }; static gchar *slider_tips[7] = { N_("Hue"), N_("Saturation"), N_("Value"), N_("Red"), N_("Green"), N_("Blue"), N_("Alpha") }; static gdouble slider_max_vals[] = { 360, 100, 100, 255, 255, 255, 255 }; static gdouble slider_incs[] = { 30, 10, 10, 16, 16, 16, 16 }; g_return_val_if_fail (selector_info != NULL, NULL); g_return_val_if_fail (color != NULL, NULL); gimp_rgba_get_uchar (color, &red, &green, &blue, &alpha); cnp = g_new0 (ColorNotebook, 1); cnp->gc = NULL; cnp->callback = callback; cnp->client_data = client_data; cnp->wants_updates = wants_updates; cnp->show_alpha = show_alpha; cnp->selectors = NULL; cnp->cur_page = NULL; cnp->values[GIMP_COLOR_SELECTOR_RED] = cnp->orig_values[0] = red; cnp->values[GIMP_COLOR_SELECTOR_GREEN] = cnp->orig_values[1] = green; cnp->values[GIMP_COLOR_SELECTOR_BLUE] = cnp->orig_values[2] = blue; cnp->values[GIMP_COLOR_SELECTOR_ALPHA] = cnp->orig_values[3] = alpha; color_notebook_update_hsv_values (cnp); cnp->shell = gimp_dialog_new (_("Color Selection"), "color_selection", color_notebook_help_func, (const gchar *) cnp, GTK_WIN_POS_NONE, FALSE, FALSE, FALSE, wants_updates ? _("Close") : _("OK"), color_notebook_ok_callback, cnp, NULL, NULL, TRUE, wants_updates, wants_updates ? _("Revert to Old Color") : _("Cancel"), color_notebook_cancel_callback, cnp, NULL, NULL, FALSE, !wants_updates, NULL); main_hbox = gtk_hbox_new (FALSE, 6); gtk_container_set_border_width (GTK_CONTAINER (main_hbox), 2); gtk_container_add (GTK_CONTAINER (GTK_DIALOG (cnp->shell)->vbox), main_hbox); gtk_widget_show (main_hbox); /* do we actually need a notebook? */ if (selector_info->next) { cnp->notebook = gtk_notebook_new (); gtk_box_pack_start (GTK_BOX (main_hbox), cnp->notebook, FALSE, FALSE, 0); gtk_widget_show (cnp->notebook); } else /* only one selector */ { cnp->notebook = NULL; } /* create each registered color selector */ info = selector_info; while (info) { if (info->active) { csel = g_new (ColorSelectorInstance, 1); csel->color_notebook = cnp; csel->info = info; info->refs++; csel->frame = info->methods.new (cnp->values[GIMP_COLOR_SELECTOR_HUE], cnp->values[GIMP_COLOR_SELECTOR_SATURATION], cnp->values[GIMP_COLOR_SELECTOR_VALUE], cnp->values[GIMP_COLOR_SELECTOR_RED], cnp->values[GIMP_COLOR_SELECTOR_GREEN], cnp->values[GIMP_COLOR_SELECTOR_BLUE], cnp->values[GIMP_COLOR_SELECTOR_ALPHA], show_alpha, color_notebook_update_callback, csel, &csel->selector_data); gtk_object_set_data (GTK_OBJECT (csel->frame), "gimp_color_notebook", csel); if (cnp->notebook) { label = gtk_label_new (info->name); gtk_widget_show (label); /* hide the frame, so it doesn't get selected by mistake */ gtk_widget_hide (csel->frame); gtk_notebook_append_page (GTK_NOTEBOOK (cnp->notebook), csel->frame, label); } else { gtk_box_pack_start (GTK_BOX (main_hbox), csel->frame, FALSE, FALSE, 0); } gtk_widget_show (csel->frame); if (!cnp->cur_page) cnp->cur_page = csel; /* link into list of all selectors hanging off the new notebook */ csel->next = cnp->selectors; cnp->selectors = csel; } info = info->next; } /* The right vertical box with old/new color area and color space sliders */ right_vbox = gtk_vbox_new (FALSE, 2); gtk_box_pack_start (GTK_BOX (main_hbox), right_vbox, TRUE, TRUE, 0); gtk_widget_show (right_vbox); /* The old/new color area frame and hbox */ colors_frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (colors_frame), GTK_SHADOW_IN); gtk_box_pack_start (GTK_BOX (right_vbox), colors_frame, FALSE, FALSE, 0); gtk_widget_show (colors_frame); hbox = gtk_hbox_new (TRUE, 2); gtk_container_add (GTK_CONTAINER (colors_frame), hbox); gtk_widget_show (hbox); /* The new color area */ cnp->new_color = gtk_drawing_area_new (); gtk_drawing_area_size (GTK_DRAWING_AREA (cnp->new_color), COLOR_AREA_WIDTH, COLOR_AREA_HEIGHT); gtk_widget_set_events (cnp->new_color, GDK_EXPOSURE_MASK); gtk_signal_connect (GTK_OBJECT (cnp->new_color), "event", GTK_SIGNAL_FUNC (color_notebook_color_events), cnp); gtk_object_set_user_data (GTK_OBJECT (cnp->new_color), cnp); gtk_box_pack_start (GTK_BOX (hbox), cnp->new_color, TRUE, TRUE, 0); gtk_widget_show (cnp->new_color); /* dnd stuff */ gtk_drag_source_set (cnp->new_color, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK, color_notebook_target_table, n_color_notebook_targets, GDK_ACTION_COPY | GDK_ACTION_MOVE); gimp_dnd_color_source_set (cnp->new_color, color_notebook_drag_new_color, cnp); gtk_drag_dest_set (cnp->new_color, GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP, color_notebook_target_table, n_color_notebook_targets, GDK_ACTION_COPY); gimp_dnd_color_dest_set (cnp->new_color, color_notebook_drop_new_color, cnp); /* The old color area */ cnp->orig_color = gtk_drawing_area_new (); gtk_drawing_area_size (GTK_DRAWING_AREA (cnp->orig_color), COLOR_AREA_WIDTH, COLOR_AREA_HEIGHT); gtk_widget_set_events (cnp->orig_color, GDK_EXPOSURE_MASK); gtk_signal_connect (GTK_OBJECT (cnp->orig_color), "event", GTK_SIGNAL_FUNC (color_notebook_color_events), cnp); gtk_object_set_user_data (GTK_OBJECT (cnp->orig_color), cnp); gtk_box_pack_start (GTK_BOX (hbox), cnp->orig_color, TRUE, TRUE, 0); gtk_widget_show (cnp->orig_color); /* dnd stuff */ gtk_drag_source_set (cnp->orig_color, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK, color_notebook_target_table, n_color_notebook_targets, GDK_ACTION_COPY | GDK_ACTION_MOVE); gimp_dnd_color_source_set (cnp->orig_color, color_notebook_drag_old_color, cnp); /* The color space sliders, toggle buttons and entries */ table = gtk_table_new (show_alpha ? 7 : 6, 3, FALSE); gtk_table_set_row_spacings (GTK_TABLE (table), 2); gtk_table_set_col_spacings (GTK_TABLE (table), 2); gtk_box_pack_start (GTK_BOX (right_vbox), table, TRUE, TRUE, 0); gtk_widget_show (table); group = NULL; for (i = 0; i < (show_alpha ? 7 : 6); i++) { if (i == 6) { cnp->toggles[i] = NULL; label = gtk_label_new (toggle_titles[i]); gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5); gtk_table_attach (GTK_TABLE (table), label, 0, 1, i, i + 1, GTK_FILL, GTK_EXPAND, 0, 0); } else { cnp->toggles[i] = gtk_radio_button_new_with_label (group, gettext (toggle_titles[i])); gimp_help_set_help_data (cnp->toggles[i], gettext (slider_tips[i]), NULL); group = gtk_radio_button_group (GTK_RADIO_BUTTON (cnp->toggles[i])); gtk_table_attach (GTK_TABLE (table), cnp->toggles[i], 0, 1, i, i + 1, GTK_FILL, GTK_EXPAND, 0, 0); gtk_signal_connect (GTK_OBJECT (cnp->toggles[i]), "toggled", GTK_SIGNAL_FUNC (color_notebook_toggle_update), cnp); gtk_widget_show (cnp->toggles[i]); } cnp->slider_data[i] = gimp_scale_entry_new (GTK_TABLE (table), 0, i, NULL, 80, 55, cnp->values[i], 0.0, slider_max_vals[i], 1.0, slider_incs[i], 0, TRUE, 0.0, 0.0, gettext (slider_tips[i]), NULL); gtk_signal_connect (GTK_OBJECT (cnp->slider_data[i]), "value_changed", GTK_SIGNAL_FUNC (color_notebook_scale_update), cnp); } /* The hex triplet entry */ hbox = gtk_hbox_new (FALSE, 3); gtk_box_pack_start (GTK_BOX (right_vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); cnp->hex_entry = gtk_entry_new (); g_snprintf (buffer, sizeof (buffer), "#%.2x%.2x%.2x", red, green, blue); gtk_entry_set_text (GTK_ENTRY (cnp->hex_entry), buffer); gtk_widget_set_usize (GTK_WIDGET (cnp->hex_entry), 75, 0); gtk_box_pack_end (GTK_BOX (hbox), cnp->hex_entry, FALSE, FALSE, 2); gtk_signal_connect (GTK_OBJECT (cnp->hex_entry), "focus_out_event", GTK_SIGNAL_FUNC (color_notebook_hex_entry_events), cnp); gtk_signal_connect (GTK_OBJECT (cnp->hex_entry), "key_press_event", GTK_SIGNAL_FUNC (color_notebook_hex_entry_events), cnp); gtk_widget_show (cnp->hex_entry); label = gtk_label_new (_("Hex Triplet:")); gtk_box_pack_end (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); gtk_widget_show (cnp->shell); /* this must come after showing the widget, otherwise we get a * switch_page signal for a non-visible color selector, which is bad * news. */ if (cnp->notebook) { gtk_signal_connect (GTK_OBJECT (cnp->notebook), "switch_page", GTK_SIGNAL_FUNC (color_notebook_page_switch), cnp); } return cnp; } void color_notebook_show (ColorNotebook *cnp) { g_return_if_fail (cnp != NULL); if (! GTK_WIDGET_VISIBLE (cnp->shell)) gtk_widget_show (cnp->shell); else gdk_window_raise (cnp->shell->window); } void color_notebook_hide (ColorNotebook *cnp) { g_return_if_fail (cnp != NULL); gtk_widget_hide (cnp->shell); } void color_notebook_free (ColorNotebook *cnp) { ColorSelectorInstance *csel, *next; g_return_if_fail (cnp != NULL); gtk_widget_destroy (cnp->shell); /* call the free functions for all the color selectors */ csel = cnp->selectors; while (csel) { next = csel->next; csel->info->methods.free (csel->selector_data); csel->info->refs--; if (csel->info->refs == 0 && !csel->info->active) color_notebook_selector_death (csel->info); g_free (csel); csel = next; } g_free (cnp); } void color_notebook_set_color (ColorNotebook *cnp, GimpRGB *color) { guchar red, green, blue, alpha; g_return_if_fail (cnp != NULL); g_return_if_fail (color != NULL); gimp_rgba_get_uchar (color, &red, &green, &blue, &alpha); cnp->values[GIMP_COLOR_SELECTOR_RED] = cnp->orig_values[0] = red; cnp->values[GIMP_COLOR_SELECTOR_GREEN] = cnp->orig_values[1] = green; cnp->values[GIMP_COLOR_SELECTOR_BLUE] = cnp->orig_values[2] = blue; cnp->values[GIMP_COLOR_SELECTOR_ALPHA] = cnp->orig_values[3] = alpha; color_notebook_update_hsv_values (cnp); color_notebook_update (cnp, UPDATE_NOTEBOOK | UPDATE_ORIG_COLOR | UPDATE_NEW_COLOR); } /* * Called by a color selector on user selection of a color */ static void color_notebook_update_callback (gpointer data, gint hue, gint saturation, gint value, gint red, gint green, gint blue, gint alpha) { ColorSelectorInstance *csel; ColorNotebook *cnp; g_return_if_fail (data != NULL); csel = (ColorSelectorInstance *) data; cnp = csel->color_notebook; cnp->values[GIMP_COLOR_SELECTOR_HUE] = hue; cnp->values[GIMP_COLOR_SELECTOR_SATURATION] = saturation; cnp->values[GIMP_COLOR_SELECTOR_VALUE] = value; cnp->values[GIMP_COLOR_SELECTOR_RED] = red; cnp->values[GIMP_COLOR_SELECTOR_GREEN] = green; cnp->values[GIMP_COLOR_SELECTOR_BLUE] = blue; cnp->values[GIMP_COLOR_SELECTOR_ALPHA] = alpha; color_notebook_update_scales (cnp, -1); color_notebook_update (cnp, UPDATE_NEW_COLOR | UPDATE_CALLER); } static void color_notebook_ok_callback (GtkWidget *widget, gpointer data) { ColorNotebook *cnp; GimpRGB color; cnp = (ColorNotebook *) data; gimp_rgba_set_uchar (&color, (guchar) cnp->values[GIMP_COLOR_SELECTOR_RED], (guchar) cnp->values[GIMP_COLOR_SELECTOR_GREEN], (guchar) cnp->values[GIMP_COLOR_SELECTOR_BLUE], (guchar) cnp->values[GIMP_COLOR_SELECTOR_ALPHA]); if (cnp->callback) { (* cnp->callback) (&color, COLOR_NOTEBOOK_OK, cnp->client_data); } } static void color_notebook_cancel_callback (GtkWidget *widget, gpointer data) { ColorNotebook *cnp; GimpRGB color; cnp = (ColorNotebook *) data; gimp_rgba_set_uchar (&color, (guchar) cnp->orig_values[0], (guchar) cnp->orig_values[1], (guchar) cnp->orig_values[2], (guchar) cnp->orig_values[3]); if (cnp->callback) { (* cnp->callback) (&color, COLOR_NOTEBOOK_CANCEL, cnp->client_data); } } static void color_notebook_page_switch (GtkWidget *widget, GtkNotebookPage *page, guint page_num, gpointer data) { ColorNotebook *cnp; ColorSelectorInstance *csel; cnp = (ColorNotebook *) data; csel = gtk_object_get_data (GTK_OBJECT (page->child), "gimp_color_notebook"); g_return_if_fail (cnp != NULL && csel != NULL); cnp->cur_page = csel; color_notebook_update (cnp, UPDATE_CHANNEL | UPDATE_NOTEBOOK); } static void color_notebook_help_func (const gchar *data) { ColorNotebook *cnp; gchar *help_path; cnp = (ColorNotebook *) data; help_path = g_strconcat ("dialogs/color_selectors/", cnp->cur_page->info->help_page, NULL); gimp_standard_help_func (help_path); g_free (help_path); } /**************************/ /* Registration functions */ G_MODULE_EXPORT GimpColorSelectorID gimp_color_selector_register (const gchar *name, const gchar *help_page, GimpColorSelectorMethods *methods) { ColorSelectorInfo *info; /* check the name is unique */ info = selector_info; while (info) { if (!strcmp (info->name, name)) return NULL; info = info->next; } info = g_new (ColorSelectorInfo, 1); info->name = g_strdup (name); info->help_page = g_strdup (help_page); info->methods = *methods; info->refs = 0; info->active = TRUE; info->next = selector_info; selector_info = info; return info; } G_MODULE_EXPORT gboolean gimp_color_selector_unregister (GimpColorSelectorID id, GimpColorSelectorFinishedCB callback, gpointer data) { ColorSelectorInfo *info; info = selector_info; while (info) { if (info == id) { info->active = FALSE; info->death_callback = callback; info->death_data = data; if (info->refs == 0) color_notebook_selector_death (info); return TRUE; } info = info->next; } g_warning ("unknown color selector id %p", id); return FALSE; } static void color_notebook_selector_death (ColorSelectorInfo *info) { ColorSelectorInfo *here, *prev; here = selector_info; prev = NULL; while (here) { if (here == info) { if (prev) prev->next = info->next; else selector_info = info->next; if (info->death_callback) (*info->death_callback) (info->death_data); g_free (info->name); g_free (info); return; } prev = here; here = here->next; } g_warning ("color selector %p not found, can't happen!", info); } static void color_notebook_update (ColorNotebook *cnp, ColorNotebookUpdateType update) { if (!cnp) return; if (update & UPDATE_NOTEBOOK) color_notebook_update_notebook (cnp); if (update & UPDATE_CHANNEL) color_notebook_update_channel (cnp); if (update & UPDATE_NEW_COLOR) color_notebook_update_colors (cnp, UPDATE_NEW_COLOR); if (update & UPDATE_ORIG_COLOR) color_notebook_update_colors (cnp, UPDATE_ORIG_COLOR); if (update & UPDATE_CALLER && cnp->wants_updates) color_notebook_update_caller (cnp); } static void color_notebook_update_notebook (ColorNotebook *cnp) { ColorSelectorInstance *csel; g_return_if_fail (cnp != NULL); csel = cnp->cur_page; csel->info->methods.set_color (csel->selector_data, cnp->values[GIMP_COLOR_SELECTOR_HUE], cnp->values[GIMP_COLOR_SELECTOR_SATURATION], cnp->values[GIMP_COLOR_SELECTOR_VALUE], cnp->values[GIMP_COLOR_SELECTOR_RED], cnp->values[GIMP_COLOR_SELECTOR_GREEN], cnp->values[GIMP_COLOR_SELECTOR_BLUE], cnp->values[GIMP_COLOR_SELECTOR_ALPHA]); } static void color_notebook_update_channel (ColorNotebook *cnp) { ColorSelectorInstance *csel; g_return_if_fail (cnp != NULL); csel = cnp->cur_page; csel->info->methods.set_channel (csel->selector_data, cnp->active_channel); } static void color_notebook_update_caller (ColorNotebook *cnp) { GimpRGB color; gimp_rgba_set (&color, cnp->values[GIMP_COLOR_SELECTOR_RED] / 255.0, cnp->values[GIMP_COLOR_SELECTOR_GREEN] / 255.0, cnp->values[GIMP_COLOR_SELECTOR_BLUE] / 255.0, cnp->values[GIMP_COLOR_SELECTOR_ALPHA] / 255.0); if (cnp && cnp->callback) { (* cnp->callback) (&color, COLOR_NOTEBOOK_UPDATE, cnp->client_data); } } static void color_notebook_update_colors (ColorNotebook *cnp, ColorNotebookUpdateType which) { GdkWindow *window; GdkColor color; gint red, green, blue; gint width, height; if (!cnp) return; if (which == UPDATE_ORIG_COLOR) { window = cnp->orig_color->window; red = cnp->orig_values[0]; green = cnp->orig_values[1]; blue = cnp->orig_values[2]; } else if (which == UPDATE_NEW_COLOR) { window = cnp->new_color->window; red = cnp->values[GIMP_COLOR_SELECTOR_RED]; green = cnp->values[GIMP_COLOR_SELECTOR_GREEN]; blue = cnp->values[GIMP_COLOR_SELECTOR_BLUE]; } else { return; } /* if we haven't yet been realized, there's no need to redraw * anything. */ if (!window) return; color.pixel = get_color (red, green, blue); gdk_window_get_size (window, &width, &height); if (cnp->gc) { color_area_draw_rect (window, cnp->gc, 0, 0, width, height, red, green, blue); } } static void color_notebook_update_rgb_values (ColorNotebook *cnp) { gdouble h, s, v; if (!cnp) return; h = cnp->values[GIMP_COLOR_SELECTOR_HUE] / 360.0; s = cnp->values[GIMP_COLOR_SELECTOR_SATURATION] / 100.0; v = cnp->values[GIMP_COLOR_SELECTOR_VALUE] / 100.0; gimp_hsv_to_rgb_double (&h, &s, &v); cnp->values[GIMP_COLOR_SELECTOR_RED] = h * 255; cnp->values[GIMP_COLOR_SELECTOR_GREEN] = s * 255; cnp->values[GIMP_COLOR_SELECTOR_BLUE] = v * 255; } static void color_notebook_update_hsv_values (ColorNotebook *cnp) { gdouble r, g, b; if (!cnp) return; r = cnp->values[GIMP_COLOR_SELECTOR_RED] / 255.0; g = cnp->values[GIMP_COLOR_SELECTOR_GREEN] / 255.0; b = cnp->values[GIMP_COLOR_SELECTOR_BLUE] / 255.0; gimp_rgb_to_hsv_double (&r, &g, &b); cnp->values[GIMP_COLOR_SELECTOR_HUE] = r * 360.0; cnp->values[GIMP_COLOR_SELECTOR_SATURATION] = g * 100.0; cnp->values[GIMP_COLOR_SELECTOR_VALUE] = b * 100.0; } static void color_notebook_update_scales (ColorNotebook *cnp, gint skip) { gchar buffer[16]; gint i; if (!cnp) return; for (i = 0; i < (cnp->show_alpha ? 7 : 6); i++) if (i != skip) { gtk_signal_handler_block_by_data (GTK_OBJECT (cnp->slider_data[i]), cnp); gtk_adjustment_set_value (GTK_ADJUSTMENT (cnp->slider_data[i]), cnp->values[i]); gtk_signal_handler_unblock_by_data (GTK_OBJECT (cnp->slider_data[i]), cnp); } g_snprintf (buffer, sizeof (buffer), "#%.2x%.2x%.2x", cnp->values[GIMP_COLOR_SELECTOR_RED], cnp->values[GIMP_COLOR_SELECTOR_GREEN], cnp->values[GIMP_COLOR_SELECTOR_BLUE]); gtk_entry_set_text (GTK_ENTRY (cnp->hex_entry), buffer); } static gboolean color_notebook_color_events (GtkWidget *widget, GdkEvent *event, gpointer data) { ColorNotebook *cnp; cnp = (ColorNotebook *) data; if (!cnp) return FALSE; switch (event->type) { case GDK_EXPOSE: if (!cnp->gc) cnp->gc = gdk_gc_new (widget->window); if (widget == cnp->new_color) color_notebook_update (cnp, UPDATE_NEW_COLOR); else if (widget == cnp->orig_color) color_notebook_update (cnp, UPDATE_ORIG_COLOR); break; default: break; } return FALSE; } static void color_notebook_toggle_update (GtkWidget *widget, gpointer data) { ColorNotebook *cnp; gint i; if (! GTK_TOGGLE_BUTTON (widget)->active) return; cnp = (ColorNotebook *) data; if (!cnp) return; for (i = 0; i < 6; i++) if (widget == cnp->toggles[i]) cnp->active_channel = (GimpColorSelectorChannelType) i; color_notebook_update (cnp, UPDATE_CHANNEL); } static void color_notebook_scale_update (GtkAdjustment *adjustment, gpointer data) { ColorNotebook *cnp; gint i; cnp = (ColorNotebook *) data; if (!cnp) return; for (i = 0; i < (cnp->show_alpha ? 7 : 6); i++) if (cnp->slider_data[i] == GTK_OBJECT (adjustment)) break; cnp->values[i] = (gint) (GTK_ADJUSTMENT (adjustment)->value); if ((i >= GIMP_COLOR_SELECTOR_HUE) && (i <= GIMP_COLOR_SELECTOR_VALUE)) { color_notebook_update_rgb_values (cnp); } else if ((i >= GIMP_COLOR_SELECTOR_RED) && (i <= GIMP_COLOR_SELECTOR_BLUE)) { color_notebook_update_hsv_values (cnp); } color_notebook_update_scales (cnp, i); color_notebook_update (cnp, UPDATE_NOTEBOOK | UPDATE_NEW_COLOR | UPDATE_CALLER); } static gint color_notebook_hex_entry_events (GtkWidget *widget, GdkEvent *event, gpointer data) { ColorNotebook *cnp; gchar buffer[8]; gchar *hex_color; guint hex_rgb; cnp = (ColorNotebook *) data; if (!cnp) return FALSE; switch (event->type) { case GDK_KEY_PRESS: if (((GdkEventKey *) event)->keyval != GDK_Return) break; /* else fall through */ case GDK_FOCUS_CHANGE: hex_color = g_strdup (gtk_entry_get_text (GTK_ENTRY (cnp->hex_entry))); g_snprintf (buffer, sizeof (buffer), "#%.2x%.2x%.2x", cnp->values[GIMP_COLOR_SELECTOR_RED], cnp->values[GIMP_COLOR_SELECTOR_GREEN], cnp->values[GIMP_COLOR_SELECTOR_BLUE]); if ((strlen (hex_color) == 7) && (g_strcasecmp (buffer, hex_color) != 0)) { if ((sscanf (hex_color, "#%x", &hex_rgb) == 1) && (hex_rgb < (1 << 24))) { cnp->values[GIMP_COLOR_SELECTOR_RED] = (hex_rgb & 0xff0000) >> 16; cnp->values[GIMP_COLOR_SELECTOR_GREEN] = (hex_rgb & 0x00ff00) >> 8; cnp->values[GIMP_COLOR_SELECTOR_BLUE] = (hex_rgb & 0x0000ff); color_notebook_update_hsv_values (cnp); color_notebook_update_scales (cnp, -1); color_notebook_update (cnp, UPDATE_NOTEBOOK | UPDATE_NEW_COLOR | UPDATE_CALLER); } } g_free (hex_color); break; default: /* do nothing */ break; } return FALSE; } static void color_notebook_drag_new_color (GtkWidget *widget, GimpRGB *color, gpointer data) { ColorNotebook *cnp; cnp = (ColorNotebook *) data; gimp_rgba_set_uchar (color, (guchar) cnp->values[GIMP_COLOR_SELECTOR_RED], (guchar) cnp->values[GIMP_COLOR_SELECTOR_GREEN], (guchar) cnp->values[GIMP_COLOR_SELECTOR_BLUE], (guchar) cnp->values[GIMP_COLOR_SELECTOR_ALPHA]); } static void color_notebook_drop_new_color (GtkWidget *widget, GimpRGB *color, gpointer data) { ColorNotebook *cnp; guchar r, g, b, a; cnp = (ColorNotebook *) data; gimp_rgba_get_uchar (color, &r, &g, &b, &a); cnp->values[GIMP_COLOR_SELECTOR_RED] = (gint) r; cnp->values[GIMP_COLOR_SELECTOR_GREEN] = (gint) g; cnp->values[GIMP_COLOR_SELECTOR_BLUE] = (gint) b; cnp->values[GIMP_COLOR_SELECTOR_ALPHA] = (gint) a; color_notebook_update_hsv_values (cnp); color_notebook_update_scales (cnp, -1); color_notebook_update (cnp, UPDATE_NOTEBOOK | UPDATE_NEW_COLOR | UPDATE_CALLER); } static void color_notebook_drag_old_color (GtkWidget *widget, GimpRGB *color, gpointer data) { ColorNotebook *cnp; cnp = (ColorNotebook *) data; gimp_rgba_set_uchar (color, (guchar) cnp->orig_values[0], (guchar) cnp->orig_values[1], (guchar) cnp->orig_values[2], (guchar) cnp->orig_values[3]); }