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/**
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008, Blender Foundation, Joshua Leung
* This is a new part of Blender
*
* Contributor(s): Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stddef.h>
#include "MEM_guardedalloc.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "DNA_gpencil_types.h"
#include "DNA_screen_types.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_gpencil.h"
#include "BKE_utildefines.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "ED_gpencil.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "gpencil_intern.h"
/* ************************************************** */
/* GREASE PENCIL PANEL-UI DRAWING */
/* Every space which implements Grease-Pencil functionality should have a panel
* for the settings. All of the space-dependent parts should be coded in the panel
* code for that space, but the rest is all handled by generic panel here.
*/
/* ------- Callbacks ----------- */
/* These are just 'dummy wrappers' around gpencil api calls */
/* make layer active one after being clicked on */
void gp_ui_activelayer_cb (bContext *C, void *gpd, void *gpl)
{
gpencil_layer_setactive(gpd, gpl);
WM_event_add_notifier(C, NC_SCREEN|ND_GPENCIL|NA_EDITED, NULL); // XXX please work!
}
/* delete 'active' layer */
void gp_ui_dellayer_cb (bContext *C, void *gpd, void *gpl)
{
/* make sure the layer we want to remove is the active one */
gpencil_layer_setactive(gpd, gpl);
gpencil_layer_delactive(gpd);
WM_event_add_notifier(C, NC_SCREEN|ND_GPENCIL|NA_EDITED, NULL); // XXX please work!
}
/* ------- Drawing Code ------- */
/* draw the controls for a given layer */
static void gp_drawui_layer (uiLayout *layout, bGPdata *gpd, bGPDlayer *gpl)
{
uiLayout *box=NULL, *split=NULL;
uiLayout *col=NULL, *subcol=NULL;
uiLayout *row=NULL, *subrow=NULL;
uiBlock *block;
uiBut *but;
PointerRNA ptr;
int icon;
/* make pointer to layer data */
RNA_pointer_create((ID *)gpd, &RNA_GPencilLayer, gpl, &ptr);
/* unless button has own callback, it adds this callback to button */
block= uiLayoutGetBlock(layout);
uiBlockSetFunc(block, gp_ui_activelayer_cb, gpd, gpl);
/* draw header ---------------------------------- */
/* get layout-row + UI-block for header */
box= uiLayoutBox(layout);
row= uiLayoutRow(box, 0);
uiLayoutSetAlignment(row, UI_LAYOUT_ALIGN_EXPAND);
block= uiLayoutGetBlock(row); // err...
uiBlockSetEmboss(block, UI_EMBOSSN);
/* left-align ............................... */
subrow= uiLayoutRow(row, 0);
/* active */
icon= (gpl->flag & GP_LAYER_ACTIVE) ? ICON_RADIOBUT_ON : ICON_RADIOBUT_OFF;
uiItemR(subrow, &ptr, "active", 0, "", icon);
/* locked */
icon= (gpl->flag & GP_LAYER_LOCKED) ? ICON_LOCKED : ICON_UNLOCKED;
uiItemR(subrow, &ptr, "locked", 0, "", icon);
/* when layer is locked or hidden, only draw header */
if (gpl->flag & (GP_LAYER_LOCKED|GP_LAYER_HIDE)) {
char name[256]; /* gpl->info is 128, but we need space for 'locked/hidden' as well */
/* visibility button (only if hidden but not locked!) */
if ((gpl->flag & GP_LAYER_HIDE) && !(gpl->flag & GP_LAYER_LOCKED))
uiItemR(subrow, &ptr, "hide", 0, "", ICON_RESTRICT_VIEW_ON);
/* name */
if (gpl->flag & GP_LAYER_HIDE)
sprintf(name, "%s (Hidden)", gpl->info);
else
sprintf(name, "%s (Locked)", gpl->info);
uiItemL(subrow, name, 0);
/* delete button (only if hidden but not locked!) */
if ((gpl->flag & GP_LAYER_HIDE) & !(gpl->flag & GP_LAYER_LOCKED)) {
/* right-align ............................... */
subrow= uiLayoutRow(row, 1);
uiLayoutSetAlignment(subrow, UI_LAYOUT_ALIGN_RIGHT);
block= uiLayoutGetBlock(subrow); // XXX... err...
but= uiDefIconBut(block, BUT, 0, ICON_X, 0, 0, UI_UNIT_X, UI_UNIT_Y, NULL, 0.0, 0.0, 0.0, 0.0, "Delete layer");
uiButSetFunc(but, gp_ui_dellayer_cb, gpd, gpl);
}
uiBlockSetEmboss(block, UI_EMBOSS);
}
else {
/* draw rest of header -------------------------------- */
/* visibility button */
uiItemR(subrow, &ptr, "hide", 0, "", ICON_RESTRICT_VIEW_OFF);
/* frame locking */
// TODO: this needs its own icons...
icon= (gpl->flag & GP_LAYER_FRAMELOCK) ? ICON_RENDER_STILL : ICON_RENDER_ANIMATION;
uiItemR(subrow, &ptr, "frame_lock", 0, "", icon);
uiBlockSetEmboss(block, UI_EMBOSS);
/* name */
uiItemR(subrow, &ptr, "info", 0, "", 0);
/* delete 'button' */
uiBlockSetEmboss(block, UI_EMBOSSN);
/* right-align ............................... */
subrow= uiLayoutRow(row, 1);
uiLayoutSetAlignment(subrow, UI_LAYOUT_ALIGN_RIGHT);
block= uiLayoutGetBlock(subrow); // XXX... err...
but= uiDefIconBut(block, BUT, 0, ICON_X, 0, 0, UI_UNIT_X, UI_UNIT_Y, NULL, 0.0, 0.0, 0.0, 0.0, "Delete layer");
uiButSetFunc(but, gp_ui_dellayer_cb, gpd, gpl);
uiBlockSetEmboss(block, UI_EMBOSS);
/* new backdrop ----------------------------------- */
box= uiLayoutBox(layout);
split= uiLayoutSplit(box, 0.5f, 0);
/* draw settings ---------------------------------- */
/* left column ..................... */
col= uiLayoutColumn(split, 0);
/* color */
subcol= uiLayoutColumn(col, 1);
uiItemR(subcol, &ptr, "color", 0, "", 0);
uiItemR(subcol, &ptr, "opacity", UI_ITEM_R_SLIDER, NULL, 0);
/* stroke thickness */
subcol= uiLayoutColumn(col, 1);
uiItemR(subcol, &ptr, "line_thickness", UI_ITEM_R_SLIDER, NULL, 0);
/* debugging options */
if (G.f & G_DEBUG) {
subcol= uiLayoutColumn(col, 1);
uiItemR(subcol, &ptr, "show_points", 0, NULL, 0);
}
/* right column ................... */
col= uiLayoutColumn(split, 0);
/* onion-skinning */
subcol= uiLayoutColumn(col, 1);
uiItemR(subcol, &ptr, "use_onion_skinning", 0, "Onion Skinning", 0);
uiItemR(subcol, &ptr, "max_ghost_range", 0, "Frames", 0); // XXX shorter name here? i.e. GStep
/* additional options... */
subcol= uiLayoutColumn(col, 1);
uiItemO(subcol, "Delete Frame", 0, "GPENCIL_OT_active_frame_delete");
uiItemO(subcol, "Convert...", 0, "GPENCIL_OT_convert");
}
}
/* Draw the contents for a grease-pencil panel*/
static void draw_gpencil_panel (bContext *C, uiLayout *layout, bGPdata *gpd, PointerRNA *ctx_ptr)
{
PointerRNA gpd_ptr;
bGPDlayer *gpl;
uiLayout *col, *row;
short v3d_stroke_opts_on = 0;
/* make new PointerRNA for Grease Pencil block */
RNA_id_pointer_create((ID *)gpd, &gpd_ptr);
/* draw gpd settings first ------------------------------------- */
col= uiLayoutColumn(layout, 0);
/* current Grease Pencil block */
// TODO: show some info about who owns this?
uiTemplateID(col, C, ctx_ptr, "grease_pencil", "GPENCIL_OT_data_add", NULL, "GPENCIL_OT_data_unlink");
/* add new layer button - can be used even when no data, since it can add a new block too */
uiItemO(col, NULL, 0, "GPENCIL_OT_layer_add");
/* sanity checks... */
if (gpd == NULL)
return;
/* draw each layer --------------------------------------------- */
for (gpl= gpd->layers.first; gpl; gpl= gpl->next) {
col= uiLayoutColumn(layout, 1);
gp_drawui_layer(col, gpd, gpl);
}
/* draw gpd drawing settings first ------------------------------------- */
col= uiLayoutColumn(layout, 1);
/* label */
uiItemL(col, "Drawing Settings:", 0);
/* check whether advanced 3D-View drawing space options can be used */
if (CTX_wm_view3d(C)) {
if (gpd->flag & (GP_DATA_DEPTH_STROKE|GP_DATA_DEPTH_VIEW))
v3d_stroke_opts_on = 1;
}
/* drawing space options */
row= uiLayoutRow(col, 1);
uiItemEnumR_string(row, &gpd_ptr, "draw_mode", "VIEW", NULL, 0);
uiItemEnumR_string(row, &gpd_ptr, "draw_mode", "CURSOR", NULL, 0);
row= uiLayoutRow(col, 1);
uiLayoutSetActive(row, v3d_stroke_opts_on);
uiItemEnumR_string(row, &gpd_ptr, "draw_mode", "SURFACE", NULL, 0);
uiItemEnumR_string(row, &gpd_ptr, "draw_mode", "STROKE", NULL, 0);
row= uiLayoutRow(col, 0);
uiLayoutSetActive(row, v3d_stroke_opts_on);
uiItemR(row, &gpd_ptr, "use_stroke_endpoints", 0, NULL, 0);
}
/* Standard panel to be included whereever Grease Pencil is used... */
void gpencil_panel_standard(const bContext *C, Panel *pa)
{
bGPdata **gpd_ptr = NULL;
PointerRNA ptr;
//if (v3d->flag2 & V3D_DISPGP)... etc.
/* get pointer to Grease Pencil Data */
gpd_ptr= gpencil_data_get_pointers((bContext *)C, &ptr);
if (gpd_ptr)
draw_gpencil_panel((bContext *)C, pa->layout, *gpd_ptr, &ptr);
}
/* ************************************************** */
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