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/* -*-c-*- -------------- mixgtk_colorsel.c :
* Implementation of the functions declared in mixgtk_colorsel.h
* ------------------------------------------------------------------
* Last change: Time-stamp: "2001-04-22 01:54:20 jao"
* ------------------------------------------------------------------
* Copyright (C) 2001 Free Software Foundation, Inc.
*
* 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.
*
*/
#include <mixlib/mix.h>
#include "mixgtk_widgets.h"
#include "mixgtk_mixal.h"
#include "mixgtk_colorsel.h"
/* types of line colors */
#define LNO_ 3
/* colors per line */
#define ZNO_ 2
static GtkWidget *color_dialog_ = NULL;
static const char *anames_[LNO_][ZNO_] = {
{"bpbg_area", "bpfg_area"},
{"clbg_area", "clfg_area"},
{"plbg_area", "plfg_area"}
};
typedef struct
{
GtkWidget *area;
gboolean changed;
GdkColor color;
} area_id_t;
static area_id_t areas_[LNO_][ZNO_];
static area_id_t *current_ = NULL;
#define COLORSEL_DLG_NAME_ "colorsel_dialog"
static GtkWidget *colorseldlg_ = NULL;
static void
set_area_color_ (GtkWidget *area, const GdkColor *color)
{
static GdkColor gdk_color;
GdkColormap *colormap = gdk_window_get_colormap (area->window);
g_assert (area);
g_assert (color);
gdk_color.red = color->red;
gdk_color.green = color->green;
gdk_color.blue = color->blue;
gdk_color_alloc (colormap, &gdk_color);
gdk_window_set_background (area->window, &gdk_color);
gdk_window_clear (area->window);
gtk_widget_draw (area, FALSE);
}
/* drawingarea event handler */
static gint
area_event_(GtkWidget *widget, GdkEvent *event, gpointer areaid)
{
gint handled = FALSE;
/* Check if we've received a button pressed event */
if (event->type == GDK_BUTTON_PRESS)
{
/* handled = TRUE; */
current_ = (area_id_t *)areaid;
/* Show the dialog */
gtk_widget_show (colorseldlg_);
}
return handled;
}
/* initialise the color selection dialog */
gboolean
mixgtk_colorsel_init (void)
{
int i, j;
color_dialog_ = mixgtk_widget_factory_get (MIXGTK_WIDGET_COLORSEL_DIALOG);
g_return_val_if_fail (color_dialog_ != NULL, FALSE);
colorseldlg_ = mixgtk_widget_factory_get_by_name (COLORSEL_DLG_NAME_);
g_return_val_if_fail (colorseldlg_ != NULL, FALSE);
for (i = 0; i < LNO_; ++i)
for (j = 0; j < ZNO_; ++j)
{
areas_[i][j].area = mixgtk_widget_factory_get_by_name (anames_[i][j]);
g_return_val_if_fail (areas_[i][j].area != NULL, FALSE);
areas_[i][j].changed = FALSE;
gtk_widget_set_events (areas_[i][j].area, GDK_BUTTON_PRESS_MASK);
gtk_signal_connect (GTK_OBJECT(areas_[i][j].area), "event",
(GtkSignalFunc)area_event_, (gpointer)&areas_[i][j]);
}
return TRUE;
}
/* gtk callbacks */
void
on_colors_activate (GtkWidget *w, gpointer p)
{
int i, j;
/* must show widget before changing its colors */
gtk_widget_show (color_dialog_);
for (i = 0; i < LNO_; ++i)
for (j = 0; j < ZNO_; ++j)
{
areas_[i][j].changed = FALSE;
set_area_color_ (areas_[i][j].area, mixgtk_mixal_get_color (i, j));
}
current_ = NULL;
}
void
on_ok_colorseldlg_clicked (GtkWidget *widget, gpointer data)
{
static gdouble color[3];
GtkWidget *colorsel = GTK_COLOR_SELECTION_DIALOG (colorseldlg_)->colorsel;
gtk_widget_hide (colorseldlg_);
/* Get current color */
gtk_color_selection_get_color (GTK_COLOR_SELECTION (colorsel), color);
/* Fit to a unsigned 16 bit integer (0..65535) and
* insert into the GdkColor structure */
current_->color.red = (guint16)(color[0]*65535.0);
current_->color.green = (guint16)(color[1]*65535.0);
current_->color.blue = (guint16)(color[2]*65535.0);
set_area_color_ (current_->area, ¤t_->color);
current_->changed = TRUE;
}
void
on_cancel_colorseldlg_clicked (GtkWidget *widget, gpointer data)
{
gtk_widget_hide (colorseldlg_);
}
void
on_colors_apply_clicked (GtkWidget *widget, gpointer data)
{
int i, j;
for (i = 0; i < LNO_; ++i)
for (j = 0; j < ZNO_; ++j)
{
if (areas_[i][j].changed)
mixgtk_mixal_set_color (i, j, &areas_[i][j].color);
}
}
void
on_colors_ok_clicked (GtkWidget *widget, gpointer data)
{
on_colors_apply_clicked (widget, data);
gtk_widget_hide (color_dialog_);
}
void
on_colors_cancel_clicked (GtkWidget *widget, gpointer data)
{
gtk_widget_hide (color_dialog_);
}
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