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gimp/app/colormap_dialog.i.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "gdk/gdkkeysyms.h"
#include "actionarea.h"
#include "color_select.h"
#include "image_render.h"
#include "buildmenu.h"
#include "colormaps.h"
#include "color_area.h"
/*#include "gdisplay.h"*/
#include "general.h"
#include "libgimp/gimpintl.h"
/* Add these features:
*
* load/save colormaps
* requantize
* add color--by clicking in the checked region
* all changes need to flush colormap lookup cache
*/
/* indexed palette routines */
static void ipal_draw (GimpColormapDialog*);
static void ipal_clear (GimpColormapDialog*);
static void ipal_set_image (GimpColormapDialog*, GimpImage*);
static void ipal_update_entries(GimpColormapDialog* ipal);
static void ipal_set_index (GimpColormapDialog* ipal, gint i);
static void ipal_draw_cell (GimpColormapDialog* ipal, gint col);
static void ipal_update_image_list (GimpColormapDialog* ipal);
/* indexed palette menu callbacks */
static void ipal_add_callback (GtkWidget *, gpointer);
static void ipal_edit_callback (GtkWidget *, gpointer);
static void ipal_close_callback (GtkWidget *, gpointer);
static void ipal_select_callback (int, int, int, ColorSelectState, void *);
/* event callback */
static gint ipal_area_events (GtkWidget *, GdkEvent *, GimpColormapDialog *);
/* create image menu */
static void image_menu_callback (GtkWidget *, gpointer);
static GtkWidget * create_image_menu (GimpColormapDialog*,
GimpImage**,
int *,
MenuItemCallback);
static void frame_size_alloc_cb(GtkFrame* frame, GtkAllocation* alloc,
GimpColormapDialog* ipal);
static void window_size_req_cb(GtkWindow* win, GtkRequisition* req,
GimpColormapDialog* ipal);
static void index_entry_change_cb(GtkEntry* entry, GimpColormapDialog* ipal);
static void hex_entry_change_cb(GtkEntry* entry, GimpColormapDialog* ipal);
static void
set_addrem_cb(GimpSet* set, GimpImage* image, GimpColormapDialog* ipal);
static void
image_rename_cb(GimpImage* img, GimpColormapDialog* ipal);
static void
image_cmap_change_cb(GimpImage* img, gint ncol, GimpColormapDialog* ipal);
/**************************************/
/* Public indexed palette functions */
/**************************************/
#define COLORMAP_DIALOG_CREATE ipal_create
GimpColormapDialog*
ipal_create (GimpSet* context)
{
gint i;
GtkWidget *vbox;
GtkWidget *frame;
GtkWidget *util_box;
GtkWidget *label;
GtkWidget *arrow_hbox;
GtkWidget *arrow;
GtkWidget *ops_menu;
GtkWidget *menu_bar;
GtkWidget *menu_bar_item;
GtkWidget *hbox;
GtkWidget *hbox2;
GtkWidget *entry;
GtkWidget *evbox;
GtkAccelGroup *accel_group;
GimpColormapDialog* ipal;
ActionAreaItem action_items[] =
{
{ N_("Close"), ipal_close_callback, NULL, NULL },
};
MenuItem indexed_color_ops[] =
{
{ N_("Add"), 'N', GDK_CONTROL_MASK,
ipal_add_callback, NULL, NULL, NULL },
{ N_("Edit"), 'E', GDK_CONTROL_MASK,
ipal_edit_callback, NULL, NULL, NULL },
{ N_("Close"), 'W', GDK_CONTROL_MASK,
ipal_close_callback, NULL, NULL, NULL },
{ NULL, 0, 0, NULL, NULL, NULL, NULL },
};
ipal = gtk_type_new(GIMP_TYPE_COLORMAP_DIALOG);
ipal->image = NULL;
ipal->context = context;
ipal->cmap_changed_handler
= gimp_set_add_handler(context, "colormap_changed",
image_cmap_change_cb, ipal);
ipal->rename_handler
= gimp_set_add_handler(context, "rename",
image_rename_cb, ipal);
accel_group = gtk_accel_group_new ();
gtk_window_set_wmclass (GTK_WINDOW (ipal), "indexed_color_palette", "Gimp");
gtk_window_set_policy (GTK_WINDOW (ipal), TRUE, TRUE, TRUE);
gtk_window_set_title (GTK_WINDOW (ipal), _("Indexed Color Palette"));
gtk_window_add_accel_group (GTK_WINDOW (ipal), accel_group);
gtk_signal_connect (GTK_OBJECT (ipal), "delete_event",
GTK_SIGNAL_FUNC (gtk_widget_hide_on_delete),
NULL);
ipal->vbox = vbox = gtk_vbox_new (FALSE, 1);
gtk_container_border_width (GTK_CONTAINER (vbox), 1);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (ipal)->vbox), vbox, TRUE, TRUE, 0);
/* The hbox to hold the command menu and image option menu box */
util_box = gtk_hbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (vbox), util_box, FALSE, FALSE, 0);
/* The GIMP image option menu */
label = gtk_label_new (_("Image:"));
gtk_box_pack_start (GTK_BOX (util_box), label, FALSE, FALSE, 2);
ipal->option_menu = GTK_OPTION_MENU(gtk_option_menu_new ());
gtk_box_pack_start (GTK_BOX (util_box),
GTK_WIDGET (ipal->option_menu),
TRUE, TRUE, 2);
/* The indexed palette commands pulldown menu */
for(i=0;i<sizeof(indexed_color_ops)/sizeof(indexed_color_ops[0]);i++)
indexed_color_ops[i].user_data = ipal;
ops_menu = build_menu (indexed_color_ops, accel_group);
ipal->add_item = indexed_color_ops[0].widget;
menu_bar = gtk_menu_bar_new ();
gtk_box_pack_start (GTK_BOX (util_box), menu_bar, FALSE, FALSE, 2);
menu_bar_item = gtk_menu_item_new ();
gtk_container_add (GTK_CONTAINER (menu_bar), menu_bar_item);
gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_bar_item), ops_menu);
arrow_hbox = gtk_hbox_new (FALSE, 1);
gtk_container_add (GTK_CONTAINER (menu_bar_item), arrow_hbox);
label = gtk_label_new (_("Operations"));
arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_OUT);
gtk_box_pack_start (GTK_BOX (arrow_hbox), arrow, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (arrow_hbox), label, FALSE, FALSE, 4);
gtk_misc_set_alignment (GTK_MISC (label), 0.5, 0.5);
gtk_misc_set_alignment (GTK_MISC (arrow), 0.5, 0.5);
hbox2 = gtk_hbox_new (TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox2, TRUE, TRUE, 4);
/* The palette frame */
evbox = gtk_event_box_new ();
gtk_container_set_resize_mode (GTK_CONTAINER(evbox),
GTK_RESIZE_QUEUE);
gtk_signal_connect(GTK_OBJECT(evbox), "size_request",
GTK_SIGNAL_FUNC(window_size_req_cb), ipal);
gtk_signal_connect(GTK_OBJECT(evbox), "size_allocate",
GTK_SIGNAL_FUNC(frame_size_alloc_cb), ipal);
gtk_box_pack_start (GTK_BOX (hbox2), evbox, TRUE, TRUE, 2);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER(evbox), frame);
ipal->palette = GTK_PREVIEW (gtk_preview_new (GTK_PREVIEW_COLOR));
gtk_preview_size(ipal->palette, 256, 256);
gtk_widget_set_events (GTK_WIDGET(ipal->palette), GDK_BUTTON_PRESS_MASK);
ipal->event_handler =
gtk_signal_connect (GTK_OBJECT (ipal->palette), "event",
(GtkSignalFunc) ipal_area_events,
ipal);
gtk_signal_handler_block(GTK_OBJECT(ipal->palette),
ipal->event_handler);
gtk_container_add (GTK_CONTAINER (frame), GTK_WIDGET(ipal->palette));
/* some helpful hints */
hbox = gtk_hbox_new(FALSE, 1);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 1);
label = gtk_label_new (_("Index:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 1);
entry = gtk_entry_new_with_max_length (3);
ipal->index_entry = GTK_ENTRY(entry);
gtk_signal_connect (GTK_OBJECT(entry), "activate",
GTK_SIGNAL_FUNC(index_entry_change_cb), ipal);
gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 1);
label = gtk_label_new (_("Hex Triplet:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 1);
entry = gtk_entry_new_with_max_length (7);
ipal->color_entry = GTK_ENTRY(entry);
gtk_signal_connect (GTK_OBJECT(entry), "activate",
GTK_SIGNAL_FUNC(hex_entry_change_cb), ipal);
gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 1);
/* The action area */
for(i=0;i<sizeof(action_items)/sizeof(action_items[0]);i++)
action_items[i].user_data = ipal;
build_action_area (GTK_DIALOG (ipal), action_items, 1, 0);
gtk_widget_show_all (vbox);
/* gtk_widget_show (ipal); */
ipal_update_image_list (ipal);
gtk_signal_connect(GTK_OBJECT(context), "add",
GTK_SIGNAL_FUNC(set_addrem_cb), ipal);
gtk_signal_connect(GTK_OBJECT(context), "remove",
GTK_SIGNAL_FUNC(set_addrem_cb), ipal);
return ipal;
}
static void
ipal_update_image_list (GimpColormapDialog* ipal)
{
int default_index;
GimpImage* default_gimage;
default_gimage = ipal->image;
ipal->image_menu =
create_image_menu (ipal,
&default_gimage,
&default_index,
image_menu_callback);
gtk_option_menu_set_menu (ipal->option_menu,
ipal->image_menu);
if (default_index != -1)
{
if (! GTK_WIDGET_IS_SENSITIVE (ipal->vbox))
gtk_widget_set_sensitive (ipal->vbox, TRUE);
gtk_option_menu_set_history (ipal->option_menu,
default_index);
}
else
{
if (GTK_WIDGET_IS_SENSITIVE (ipal->vbox))
{
gtk_widget_set_sensitive (ipal->vbox, FALSE);
}
}
ipal_set_image (ipal, default_gimage);
}
static void
frame_size_alloc_cb(GtkFrame* frame, GtkAllocation* alloc,
GimpColormapDialog* ipal){
GtkWidget* w = GTK_WIDGET(frame);
GtkAllocation a = *alloc;
GtkRequisition r;
if(ipal->image)
ipal_draw(ipal);
else
ipal_clear(ipal);
w = GTK_BIN(w)->child;
gtk_widget_size_request(w, &r);
a.x = MAX(0, a.width - r.width) / 2;
a.y = MAX(0, a.height - r.height) / 2;
a.width = MIN(a.width, r.width);
a.height = MIN(a.height, r.height);
gtk_widget_size_allocate(w, &a);
}
static void
window_size_req_cb(GtkWindow* win, GtkRequisition* req,
GimpColormapDialog* ipal){
req->width = GTK_WIDGET(win)->allocation.width;
req->height = GTK_WIDGET(win)->allocation.height;
}
#define MIN_CELL_SIZE 4
static void
ipal_draw (GimpColormapDialog* ipal)
{
GimpImage *gimage;
int i, j, k, l, b;
int col;
guchar* row;
gint cellsize, ncol, xn, yn, width, height;
GtkWidget *palette;
GtkContainer *parent;
g_return_if_fail(ipal);
gimage = ipal->image;
g_return_if_fail(gimage);
palette = GTK_WIDGET(ipal->palette);
parent = GTK_CONTAINER(palette->parent);
width = GTK_WIDGET(parent)->allocation.width - parent->border_width;
height = GTK_WIDGET(parent)->allocation.height - parent->border_width;
ncol = gimage->num_cols;
if(!ncol){
ipal_clear(ipal);
return;
}
cellsize = sqrt(width * height / ncol);
while(cellsize>= MIN_CELL_SIZE
&& (xn = width/cellsize) * (yn = height/cellsize) < ncol)
cellsize--;
if(cellsize < MIN_CELL_SIZE){
cellsize = MIN_CELL_SIZE;
xn = yn = ceil(sqrt(ncol));
}
yn = ((ncol + xn - 1) / xn);
width = xn * cellsize;
height = yn * cellsize;
ipal->xn = xn;
ipal->yn = yn;
ipal->cellsize = cellsize;
gtk_preview_size(ipal->palette, width, height);
/*gtk_container_resize_children(GTK_WIDGET(parent)->parent);*/
/* req.width = width + parent->border_width;
req.height = height + parent->border_width;
gtk_widget_size_request(palette->parent, &req);*/
/*gtk_widget_queue_resize (GTK_WIDGET(ipal));*/
/*gtk_container_check_resize (GTK_WIDGET(parent)->parent);*/
row = g_new (guchar, xn*cellsize*3);
col = 0;
for (i = 0; i < yn; i++)
{
for (j = 0; j < xn && col < ncol; j++, col++)
{
for (k = 0; k < cellsize; k++)
for (b = 0; b < 3; b++)
row[(j * cellsize + k) * 3 + b] = gimage->cmap[col * 3 + b];
}
for (k = 0; k < cellsize; k++)
{
for (l = j * cellsize; l < xn * cellsize; l++)
for (b = 0; b < 3; b++)
row[l * 3 + b] = ((((i * cellsize + k) & 0x4) ? (l) : (l + 0x4)) & 0x4) ?
blend_light_check[0] : blend_dark_check[0];
gtk_preview_draw_row (ipal->palette, row, 0,
i * cellsize + k, cellsize * xn);
}
}
ipal_draw_cell (ipal, ipal->col_index);
g_free (row);
gtk_widget_draw (palette, NULL);
}
static void
ipal_draw_cell (GimpColormapDialog* ipal, gint col)
{
guchar* row;
gint cellsize, x, y, k;
GdkRectangle rec;
g_assert (ipal);
g_assert (ipal->image);
g_assert (col < ipal->image->num_cols);
cellsize = ipal->cellsize;
row = g_new(guchar, cellsize * 3);
x = (col % ipal->xn) * cellsize;
y = (col / ipal->xn) * cellsize;
if(col == ipal->col_index){
for(k = 0; k < cellsize; k++)
row[k*3] = row[k*3+1] = row[k*3+2] = (k & 1) * 255;
gtk_preview_draw_row (ipal->palette, row, x, y, cellsize);
if(!(cellsize & 1))
for(k = 0; k < cellsize; k++)
row[k*3] = row[k*3+1] = row[k*3+2] = ((x+y+1) & 1) * 255;
gtk_preview_draw_row (ipal->palette, row, x, y+cellsize-1, cellsize);
row[0]=row[1]=row[2]=255;
row[cellsize*3-3] = row[cellsize*3-2] = row[cellsize*3-1]
= 255 * (cellsize & 1);
for(k = 1; k < cellsize - 1; k++){
row[k*3] = ipal->image->cmap[col * 3];
row[k*3+1] = ipal->image->cmap[col * 3 + 1];
row[k*3+2] = ipal->image->cmap[col * 3 + 2];
}
for(k = 1; k < cellsize - 1; k+=2)
gtk_preview_draw_row (ipal->palette, row, x, y+k, cellsize);
row[0] = row[1] = row[2] = 0;
row[cellsize*3-3] = row[cellsize*3-2] = row[cellsize*3-1]
= 255 * ((cellsize+1) & 1);
for(k = 2; k < cellsize - 1; k+=2)
gtk_preview_draw_row (ipal->palette, row, x, y+k, cellsize);
} else {
for (k = 0; k < cellsize; k++){
row[k*3] = ipal->image->cmap[col * 3];
row[k*3+1] = ipal->image->cmap[col * 3 + 1];
row[k*3+2] = ipal->image->cmap[col * 3 + 2];
}
for (k = 0; k < cellsize; k++)
gtk_preview_draw_row (ipal->palette, row, x, y+k, cellsize);
}
rec.x = x;
rec.y = y;
rec.width = rec.height = cellsize;
gtk_widget_draw(GTK_WIDGET(ipal->palette), &rec);
}
static void
ipal_clear (GimpColormapDialog* ipal)
{
int i, j;
int offset;
gint width, height;
guchar* row = NULL;
GtkWidget* palette;
g_return_if_fail(ipal);
palette = GTK_WIDGET(ipal->palette);
/* Watch out for negative values (at least on Win32) */
width = (int) (gint16) palette->allocation.width;
height = (int) (gint16) palette->allocation.height;
if (width > 0)
row = g_new(guchar, width * 3);
gtk_preview_size(ipal->palette, width, height);
for (i = 0; i < height; i += 4)
{
offset = (i & 0x4) ? 0x4 : 0x0;
for (j = 0; j < width; j++)
{
row[j * 3 + 0] = row[j * 3 + 1] = row[j * 3 + 2] =
((j + offset) & 0x4) ? blend_light_check[0] : blend_dark_check[0];
}
for (j = 0; j < 4 && i+j < height; j++)
gtk_preview_draw_row (ipal->palette, row, 0, i + j, width);
}
if (width > 0)
g_free (row);
gtk_widget_draw (palette, NULL);
}
static void
ipal_update_entries(GimpColormapDialog* ipal)
{
gchar* s;
guchar* c;
if(!ipal->image){
gtk_widget_set_sensitive(GTK_WIDGET(ipal->index_entry), FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(ipal->color_entry), FALSE);
gtk_entry_set_text(ipal->index_entry, "");
gtk_entry_set_text(ipal->color_entry, "");
} else {
s = g_strdup_printf("%d", ipal->col_index);
c = &ipal->image->cmap[ipal->col_index * 3];
gtk_entry_set_text(ipal->index_entry, s);
g_free(s);
s = g_strdup_printf("#%02x%02x%02x", c[0], c[1], c[2]);
gtk_entry_set_text(ipal->color_entry, s);
g_free(s);
gtk_widget_set_sensitive(GTK_WIDGET(ipal->index_entry), TRUE);
gtk_widget_set_sensitive(GTK_WIDGET(ipal->color_entry), TRUE);
}
}
static void
ipal_set_index (GimpColormapDialog* ipal, gint i)
{
if(i != ipal->col_index){
gint old = ipal->col_index;
ipal->col_index = i;
ipal_draw_cell (ipal, old);
ipal_draw_cell (ipal, i);
ipal_update_entries (ipal);
}
}
static void
index_entry_change_cb(GtkEntry* entry, GimpColormapDialog* ipal)
{
gchar* s;
gint i;
g_return_if_fail(ipal);
g_return_if_fail(ipal->image);
s = gtk_entry_get_text(entry);
if(sscanf(s, "%d", &i) && i>=0 && i<ipal->image->num_cols)
ipal_set_index (ipal, i);
ipal_update_entries (ipal);
}
static void
hex_entry_change_cb(GtkEntry* entry, GimpColormapDialog* ipal)
{
gchar* s;
gulong i;
g_return_if_fail(ipal);
g_return_if_fail(ipal->image);
s = gtk_entry_get_text(entry);
if(sscanf(s, "#%lx", &i)){
guchar* c = &ipal->image->cmap[3 * ipal->col_index];
c[0] = (i & 0xFF0000) >> 16;
c[1] = (i & 0x00FF00) >> 8;
c[2] = (i & 0x0000FF);
gimp_image_colormap_changed (ipal->image, ipal->col_index);
}
ipal_update_entries (ipal);
}
static void
set_addrem_cb(GimpSet* set, GimpImage* image, GimpColormapDialog* ipal)
{
ipal_update_image_list(ipal);
}
static void
image_rename_cb(GimpImage* img, GimpColormapDialog* ipal)
{
ipal_update_image_list(ipal);
}
static void
image_cmap_change_cb(GimpImage* img, gint ncol, GimpColormapDialog* ipal){
if(img == ipal->image && gimp_image_base_type(img) == INDEXED){
if(ncol<0){
ipal_draw(ipal);
gtk_container_queue_resize(GTK_CONTAINER(ipal));
}else{
ipal_draw_cell(ipal, ncol);
}
if(ncol == ipal->col_index)
ipal_update_entries(ipal);
gtk_widget_set_sensitive(ipal->add_item, (img->num_cols < 256));
}else{
ipal_update_image_list(ipal);
}
}
static void
ipal_set_image (GimpColormapDialog* ipal, GimpImage* gimage)
{
g_assert(ipal);
if(ipal->image){
ipal->image = gimage;
if(!gimage){
gtk_signal_handler_block(GTK_OBJECT(ipal->palette),
ipal->event_handler);
if(GTK_WIDGET_MAPPED(GTK_WIDGET(ipal)))
ipal_clear(ipal);
}
}
if(gimage){
if(!ipal->image)
gtk_signal_handler_unblock(GTK_OBJECT(ipal->palette),
ipal->event_handler);
g_return_if_fail(gimp_set_have(ipal->context, gimage));
g_return_if_fail(gimage_base_type (gimage) == INDEXED);
ipal->image = gimage;
ipal_draw (ipal);
gtk_container_queue_resize(GTK_CONTAINER(ipal));
}else{
if(ipal->color_select)
color_select_hide(ipal->color_select);
}
ipal->col_index = 0;
gtk_widget_set_sensitive(ipal->add_item,
(gimage && gimage->num_cols < 256));
ipal_update_entries (ipal);
}
static void
ipal_add_callback (GtkWidget *w,
gpointer client_data)
{
GimpColormapDialog* ipal = client_data;
g_return_if_fail (ipal);
g_return_if_fail (ipal->image->num_cols < 256);
memcpy(&ipal->image->cmap[ipal->image->num_cols * 3],
&ipal->image->cmap[ipal->col_index * 3],
3);
ipal->image->num_cols++;
gimp_image_colormap_changed (ipal->image, -1);
}
static void
ipal_edit_callback (GtkWidget *w,
gpointer client_data)
{
GimpColormapDialog* ipal = client_data;
guchar r, g, b;
g_return_if_fail (ipal);
r = ipal->image->cmap[ipal->col_index*3];
g = ipal->image->cmap[ipal->col_index*3+1];
b = ipal->image->cmap[ipal->col_index*3+2];
if (! ipal->color_select)
{
ipal->color_select
= color_select_new (r, g, b,
ipal_select_callback, ipal, FALSE);
}
else
{
color_select_show (ipal->color_select);
color_select_set_color (ipal->color_select, r, g, b, 1);
}
}
static void
ipal_close_callback (GtkWidget *w,
gpointer client_data)
{
GimpColormapDialog* ipal = client_data;
g_assert(ipal);
gtk_widget_hide (GTK_WIDGET(ipal));
}
static void
ipal_select_callback (int r,
int g,
int b,
ColorSelectState state,
void *client_data)
{
GimpImage *gimage;
GimpColormapDialog* ipal = client_data;
g_return_if_fail (ipal);
g_return_if_fail (ipal->image);
g_return_if_fail (ipal->color_select);
gimage = ipal->image;
switch (state) {
case COLOR_SELECT_UPDATE:
break;
case COLOR_SELECT_OK:
gimage->cmap[ipal->col_index * 3 + 0] = r;
gimage->cmap[ipal->col_index * 3 + 1] = g;
gimage->cmap[ipal->col_index * 3 + 2] = b;
gimp_image_colormap_changed (gimage, ipal->col_index);
break;
case COLOR_SELECT_CANCEL:
color_select_hide (ipal->color_select);
}
}
static gint
ipal_area_events (GtkWidget *widget,
GdkEvent * event,
GimpColormapDialog* ipal)
{
GimpImage *gimage;
GdkEventButton *bevent;
guchar r, g, b;
guint col;
g_assert(ipal);
gimage = ipal->image;
g_assert (gimage);
switch (event->type)
{
case GDK_BUTTON_PRESS:
bevent = (GdkEventButton *) event;
if(bevent->button < 1 || bevent->button > 3)
return FALSE;
if(!(bevent->y < ipal->cellsize * ipal->yn
&& bevent->x < ipal->cellsize * ipal->xn))
return FALSE;
col = ipal->xn * ((int)bevent->y / ipal->cellsize)
+ ((int)bevent->x / ipal->cellsize);
if(col >= ipal->image->num_cols)
return FALSE;
r = gimage->cmap[col * 3 + 0];
g = gimage->cmap[col * 3 + 1];
b = gimage->cmap[col * 3 + 2];
ipal_set_index (ipal, col);
if(bevent->button == 1)
{
gimp_colormap_dialog_selected(ipal);
}
if (bevent->button == 3)
{
ipal->col_index = col;
if (! ipal->color_select)
{
ipal->color_select
= color_select_new (r, g, b,
ipal_select_callback, ipal, FALSE);
}
else
{
color_select_show (ipal->color_select);
color_select_set_color (ipal->color_select, r, g, b, 1);
}
}
break;
default:
break;
}
return FALSE;
}
static void
image_menu_callback (GtkWidget *w,
gpointer client_data)
{
GimpColormapDialog* ipal = gtk_object_get_data(GTK_OBJECT(w), "colormap_dialog");
GimpImage* image = GIMP_IMAGE(client_data);
g_assert(ipal);
g_assert(image);
ipal_set_image (ipal, image);
}
typedef struct{
GimpImage** def;
int* default_index;
MenuItemCallback callback;
GtkWidget* menu;
int num_items;
GimpImage* id;
GimpColormapDialog* ipal;
}IMCBData;
static void
create_image_menu_cb (gpointer im, gpointer d)
{
GimpImage* gimage = GIMP_IMAGE (im);
IMCBData* data = (IMCBData*)d;
char* image_name;
char* menu_item_label;
GtkWidget *menu_item;
if (gimage_base_type(gimage) != INDEXED)
return;
/* make sure the default index gets set to _something_, if possible */
if (*data->default_index == -1)
{
data->id = gimage;
*data->default_index = data->num_items;
}
if (gimage == *data->def)
{
data->id = *data->def;
*data->default_index = data->num_items;
}
image_name = g_basename (gimage_filename (gimage));
menu_item_label = g_strdup_printf ("%s-%d", image_name,
pdb_image_to_id (gimage));
menu_item = gtk_menu_item_new_with_label (menu_item_label);
gtk_object_set_data(GTK_OBJECT (menu_item), "colormap_dialog", data->ipal);
gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
(GtkSignalFunc) data->callback,
gimage);
gtk_container_add (GTK_CONTAINER (data->menu), menu_item);
gtk_widget_show (menu_item);
g_free (menu_item_label);
data->num_items ++;
}
static GtkWidget *
create_image_menu (GimpColormapDialog* ipal,
GimpImage** def,
int *default_index,
MenuItemCallback callback)
{
IMCBData data;
data.def = def;
data.default_index = default_index;
data.callback = callback;
data.menu = gtk_menu_new ();
data.num_items = 0;
data.id = NULL;
data.ipal = ipal;
*default_index = -1;
gimp_set_foreach (ipal->context, create_image_menu_cb, &data);
if (!data.num_items)
{
GtkWidget* menu_item;
menu_item = gtk_menu_item_new_with_label (_("none"));
gtk_container_add (GTK_CONTAINER (data.menu), menu_item);
gtk_widget_show (menu_item);
}
*def = data.id;
return data.menu;
}
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