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/*
* ***** 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 *****
*/
/** \file blender/editors/gpencil/gpencil_buttons.c
* \ingroup edgpencil
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stddef.h>
#include "BLI_blenlib.h"
#include "BLF_translation.h"
#include "DNA_gpencil_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_gpencil.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "ED_gpencil.h"
#include "UI_interface.h"
#include "UI_resources.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 */
static void gp_ui_activelayer_cb(bContext *C, void *gpd, void *gpl)
{
/* make sure the layer we want to remove is the active one */
gpencil_layer_setactive(gpd, gpl);
WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL);
}
/* delete 'active' layer */
static void gp_ui_dellayer_cb(bContext *C, void *gpd, void *gpl)
{
gpencil_layer_delete((bGPdata *)gpd, (bGPDlayer *)gpl);
WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL);
}
/* move layer up */
static void gp_ui_layer_up_cb(bContext *C, void *gpd_v, void *gpl_v)
{
bGPdata *gpd = gpd_v;
bGPDlayer *gpl = gpl_v;
BLI_remlink(&gpd->layers, gpl);
BLI_insertlinkbefore(&gpd->layers, gpl->prev, gpl);
WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL);
}
/* move layer down */
static void gp_ui_layer_down_cb(bContext *C, void *gpd_v, void *gpl_v)
{
bGPdata *gpd = gpd_v;
bGPDlayer *gpl = gpl_v;
BLI_remlink(&gpd->layers, gpl);
BLI_insertlinkafter(&gpd->layers, gpl->next, gpl);
WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL);
}
/* ------- Drawing Code ------- */
/* draw the controls for a given layer */
static void gp_drawui_layer(uiLayout *layout, bGPdata *gpd, bGPDlayer *gpl, const bool is_v3d)
{
uiLayout *box = NULL, *split = NULL;
uiLayout *col = NULL;
uiLayout *row = NULL, *sub = 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);
UI_block_func_set(block, gp_ui_activelayer_cb, gpd, gpl);
/* draw header ---------------------------------- */
/* get layout-row + UI-block for header */
box = uiLayoutBox(layout);
row = uiLayoutRow(box, false);
uiLayoutSetAlignment(row, UI_LAYOUT_ALIGN_EXPAND);
block = uiLayoutGetBlock(row); /* err... */
UI_block_emboss_set(block, UI_EMBOSS_NONE);
/* left-align ............................... */
sub = uiLayoutRow(row, false);
/* active */
block = uiLayoutGetBlock(sub);
icon = (gpl->flag & GP_LAYER_ACTIVE) ? ICON_RADIOBUT_ON : ICON_RADIOBUT_OFF;
but = uiDefIconButBitS(block, UI_BTYPE_TOGGLE, GP_LAYER_ACTIVE, 0, icon, 0, 0, UI_UNIT_X, UI_UNIT_Y,
&gpl->flag, 0.0, 0.0, 0.0, 0.0, TIP_("Set active layer"));
UI_but_func_set(but, gp_ui_activelayer_cb, gpd, gpl);
/* locked */
uiItemR(sub, &ptr, "lock", 0, "", ICON_NONE);
/* 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(sub, &ptr, "hide", 0, "", ICON_NONE);
/* name */
if (gpl->flag & GP_LAYER_HIDE)
BLI_snprintf(name, sizeof(name), IFACE_("%s (Hidden)"), gpl->info);
else
BLI_snprintf(name, sizeof(name), IFACE_("%s (Locked)"), gpl->info);
uiItemL(sub, name, ICON_NONE);
/* delete button (only if hidden but not locked!) */
if ((gpl->flag & GP_LAYER_HIDE) && !(gpl->flag & GP_LAYER_LOCKED)) {
/* right-align ............................... */
sub = uiLayoutRow(row, true);
uiLayoutSetAlignment(sub, UI_LAYOUT_ALIGN_RIGHT);
block = uiLayoutGetBlock(sub); /* XXX... err... */
but = uiDefIconBut(block, UI_BTYPE_BUT, 0, ICON_X, 0, 0, UI_UNIT_X, UI_UNIT_Y,
NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Delete layer"));
UI_but_func_set(but, gp_ui_dellayer_cb, gpd, gpl);
}
UI_block_emboss_set(block, UI_EMBOSS);
}
else {
/* draw rest of header -------------------------------- */
/* visibility button */
uiItemR(sub, &ptr, "hide", 0, "", ICON_NONE);
/* frame locking */
/* TODO: this needs its own icons... */
icon = (gpl->flag & GP_LAYER_FRAMELOCK) ? ICON_RENDER_STILL : ICON_RENDER_ANIMATION;
uiItemR(sub, &ptr, "lock_frame", 0, "", icon);
UI_block_emboss_set(block, UI_EMBOSS);
/* name */
uiItemR(sub, &ptr, "info", 0, "", ICON_NONE);
/* move up/down */
UI_block_align_begin(block);
if (gpl->prev) {
but = uiDefIconBut(block, UI_BTYPE_BUT, 0, ICON_TRIA_UP, 0, 0, UI_UNIT_X, UI_UNIT_Y,
NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Move layer up"));
UI_but_func_set(but, gp_ui_layer_up_cb, gpd, gpl);
}
if (gpl->next) {
but = uiDefIconBut(block, UI_BTYPE_BUT, 0, ICON_TRIA_DOWN, 0, 0, UI_UNIT_X, UI_UNIT_Y,
NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Move layer down"));
UI_but_func_set(but, gp_ui_layer_down_cb, gpd, gpl);
}
UI_block_align_end(block);
/* delete 'button' */
UI_block_emboss_set(block, UI_EMBOSS_NONE);
/* right-align ............................... */
sub = uiLayoutRow(row, true);
uiLayoutSetAlignment(sub, UI_LAYOUT_ALIGN_RIGHT);
block = uiLayoutGetBlock(sub); /* XXX... err... */
but = uiDefIconBut(block, UI_BTYPE_BUT, 0, ICON_X, 0, 0, UI_UNIT_X, UI_UNIT_Y,
NULL, 0.0, 0.0, 0.0, 0.0, TIP_("Delete layer"));
UI_but_func_set(but, gp_ui_dellayer_cb, gpd, gpl);
UI_block_emboss_set(block, UI_EMBOSS);
/* new backdrop ----------------------------------- */
box = uiLayoutBox(layout);
split = uiLayoutSplit(box, 0.5f, false);
/* draw settings ---------------------------------- */
/* left column ..................... */
col = uiLayoutColumn(split, false);
/* color */
sub = uiLayoutColumn(col, true);
uiItemR(sub, &ptr, "color", 0, "", ICON_NONE);
uiItemR(sub, &ptr, "alpha", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
/* stroke thickness */
uiItemR(col, &ptr, "line_width", UI_ITEM_R_SLIDER, NULL, ICON_NONE);
/* debugging options */
if (G.debug & G_DEBUG) {
uiItemR(col, &ptr, "show_points", 0, NULL, ICON_NONE);
}
/* right column ................... */
col = uiLayoutColumn(split, false);
/* onion-skinning */
sub = uiLayoutColumn(col, true);
uiItemR(sub, &ptr, "use_onion_skinning", 0, NULL, ICON_NONE);
uiItemR(sub, &ptr, "ghost_range_max", 0, IFACE_("Frames"), ICON_NONE);
/* 3d-view specific drawing options */
if (is_v3d) {
uiItemR(col, &ptr, "show_x_ray", 0, NULL, ICON_NONE);
}
}
}
/* stroke drawing options available */
typedef enum eGP_Stroke_Ops {
STROKE_OPTS_NORMAL = 0,
STROKE_OPTS_V3D_OFF,
STROKE_OPTS_V3D_ON,
} eGP_Stroke_Ops;
static void draw_gpencil_space_specials(const bContext *C, uiLayout *layout)
{
uiLayout *col, *row;
SpaceClip *sc = CTX_wm_space_clip(C);
col = uiLayoutColumn(layout, false);
if (sc) {
bScreen *screen = CTX_wm_screen(C);
PointerRNA sc_ptr;
RNA_pointer_create(&screen->id, &RNA_SpaceClipEditor, sc, &sc_ptr);
row = uiLayoutRow(col, true);
uiItemR(row, &sc_ptr, "grease_pencil_source", UI_ITEM_R_EXPAND, NULL, ICON_NONE);
}
}
/* 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;
SpaceClip *sc = CTX_wm_space_clip(C);
short v3d_stroke_opts = STROKE_OPTS_NORMAL;
const bool is_v3d = CTX_wm_view3d(C) != NULL;
/* make new PointerRNA for Grease Pencil block */
RNA_id_pointer_create((ID *)gpd, &gpd_ptr);
/* draw gpd settings first ------------------------------------- */
col = uiLayoutColumn(layout, false);
/* 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, IFACE_("New Layer"), ICON_NONE, "GPENCIL_OT_layer_add");
row = uiLayoutRow(col, true);
uiItemO(row, IFACE_("Delete Frame"), ICON_NONE, "GPENCIL_OT_active_frame_delete");
uiItemO(row, IFACE_("Convert"), ICON_NONE, "GPENCIL_OT_convert");
/* sanity checks... */
if (gpd == NULL)
return;
/* draw each layer --------------------------------------------- */
for (gpl = gpd->layers.first; gpl; gpl = gpl->next) {
col = uiLayoutColumn(layout, true);
gp_drawui_layer(col, gpd, gpl, is_v3d);
}
/* draw gpd drawing settings first ------------------------------------- */
col = uiLayoutColumn(layout, true);
/* label */
uiItemL(col, IFACE_("Drawing Settings:"), ICON_NONE);
/* check whether advanced 3D-View drawing space options can be used */
if (is_v3d) {
if (gpd->flag & (GP_DATA_DEPTH_STROKE | GP_DATA_DEPTH_VIEW))
v3d_stroke_opts = STROKE_OPTS_V3D_ON;
else
v3d_stroke_opts = STROKE_OPTS_V3D_OFF;
}
/* drawing space options */
row = uiLayoutRow(col, true);
uiItemEnumR_string(row, &gpd_ptr, "draw_mode", "VIEW", NULL, ICON_NONE);
uiItemEnumR_string(row, &gpd_ptr, "draw_mode", "CURSOR", NULL, ICON_NONE);
if (sc == NULL) {
row = uiLayoutRow(col, true);
uiLayoutSetActive(row, v3d_stroke_opts);
uiItemEnumR_string(row, &gpd_ptr, "draw_mode", "SURFACE", NULL, ICON_NONE);
uiItemEnumR_string(row, &gpd_ptr, "draw_mode", "STROKE", NULL, ICON_NONE);
row = uiLayoutRow(col, false);
uiLayoutSetActive(row, v3d_stroke_opts == STROKE_OPTS_V3D_ON);
uiItemR(row, &gpd_ptr, "use_stroke_endpoints", 0, NULL, ICON_NONE);
}
}
void ED_gpencil_panel_standard_header(const bContext *C, Panel *pa)
{
PointerRNA ptr;
RNA_pointer_create((ID *)CTX_wm_screen(C), &RNA_Space, CTX_wm_space_data(C), &ptr);
uiItemR(pa->layout, &ptr, "show_grease_pencil", 0, "", ICON_NONE);
}
/* Standard panel to be included wherever Grease Pencil is used... */
void ED_gpencil_panel_standard(const bContext *C, Panel *pa)
{
bGPdata **gpd_ptr = NULL;
PointerRNA ptr;
/* if (v3d->flag2 & V3D_DISPGP)... etc. */
draw_gpencil_space_specials(C, pa->layout);
/* get pointer to Grease Pencil Data */
gpd_ptr = ED_gpencil_data_get_pointers((bContext *)C, &ptr);
if (gpd_ptr)
draw_gpencil_panel((bContext *)C, pa->layout, *gpd_ptr, &ptr);
}
/* ************************************************** */
|