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blender-archive/source/blender/editors/space_file/file_draw.c

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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.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_file/file_draw.c
* \ingroup spfile
*/
#include <math.h>
#include <string.h>
#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BLI_fileops_types.h"
#ifdef WIN32
# include "BLI_winstuff.h"
#endif
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BLF_translation.h"
#include "IMB_imbuf_types.h"
#include "DNA_userdef_types.h"
#include "DNA_windowmanager_types.h"
#include "RNA_access.h"
#include "ED_fileselect.h"
#include "ED_screen.h"
#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "WM_types.h"
#include "filelist.h"
#include "file_intern.h" // own include
/* Note: This function uses pixelspace (0, 0, winx, winy), not view2d.
* The controls are laid out as follows:
*
* -------------------------------------------
* | Directory input | execute |
* -------------------------------------------
* | Filename input | + | - | cancel |
* -------------------------------------------
*
* The input widgets will stretch to fill any excess space.
* When there isn't enough space for all controls to be shown, they are
* hidden in this order: x/-, execute/cancel, input widgets.
*/
void file_draw_buttons(const bContext *C, ARegion *ar)
{
/* Button layout. */
const int max_x = ar->winx - 10;
const int line1_y = ar->winy - (IMASEL_BUTTONS_HEIGHT / 2 + IMASEL_BUTTONS_MARGIN);
const int line2_y = line1_y - (IMASEL_BUTTONS_HEIGHT / 2 + IMASEL_BUTTONS_MARGIN);
const int input_minw = 20;
const int btn_h = UI_UNIT_Y;
const int btn_fn_w = UI_UNIT_X;
const int btn_minw = 80;
const int btn_margin = 20;
const int separator = 4;
/* Additional locals. */
char uiblockstr[32];
int loadbutton;
int fnumbuttons;
int min_x = 10;
int chan_offs = 0;
int available_w = max_x - min_x;
int line1_w = available_w;
int line2_w = available_w;
uiBut *but;
uiBlock *block;
SpaceFile *sfile = CTX_wm_space_file(C);
FileSelectParams *params = ED_fileselect_get_params(sfile);
ARegion *artmp;
/* Initialize UI block. */
BLI_snprintf(uiblockstr, sizeof(uiblockstr), "win %p", (void *)ar);
block = UI_block_begin(C, ar, uiblockstr, UI_EMBOSS);
/* exception to make space for collapsed region icon */
for (artmp = CTX_wm_area(C)->regionbase.first; artmp; artmp = artmp->next) {
if (artmp->regiontype == RGN_TYPE_CHANNELS && artmp->flag & RGN_FLAG_HIDDEN) {
chan_offs = 16;
min_x += chan_offs;
available_w -= chan_offs;
}
}
/* Is there enough space for the execute / cancel buttons? */
loadbutton = UI_fontstyle_string_width(params->title) + btn_margin;
CLAMP_MIN(loadbutton, btn_minw);
if (available_w <= loadbutton + separator + input_minw || params->title[0] == 0) {
loadbutton = 0;
}
else {
line1_w -= (loadbutton + separator);
line2_w = line1_w;
}
/* Is there enough space for file number increment/decrement buttons? */
fnumbuttons = 2 * btn_fn_w;
if (!loadbutton || line2_w <= fnumbuttons + separator + input_minw) {
fnumbuttons = 0;
}
else {
line2_w -= (fnumbuttons + separator);
}
/* Text input fields for directory and file. */
if (available_w > 0) {
int overwrite_alert = file_draw_check_exists(sfile);
/* callbacks for operator check functions */
UI_block_func_set(block, file_draw_check_cb, NULL, NULL);
but = uiDefBut(block, UI_BTYPE_TEXT, -1, "",
min_x, line1_y, line1_w - chan_offs, btn_h,
params->dir, 0.0, (float)FILE_MAX, 0, 0,
TIP_("File path"));
UI_but_func_complete_set(but, autocomplete_directory, NULL);
UI_but_flag_enable(but, UI_BUT_NO_UTF8);
UI_but_flag_disable(but, UI_BUT_UNDO);
UI_but_funcN_set(but, file_directory_enter_handle, NULL, but);
/* TODO, directory editing is non-functional while a library is loaded
* until this is properly supported just disable it. */
if (sfile->files && filelist_lib(sfile->files))
UI_but_flag_enable(but, UI_BUT_DISABLED);
if ((params->flag & FILE_DIRSEL_ONLY) == 0) {
but = uiDefBut(block, UI_BTYPE_TEXT, -1, "",
min_x, line2_y, line2_w - chan_offs, btn_h,
params->file, 0.0, (float)FILE_MAXFILE, 0, 0,
TIP_(overwrite_alert ? N_("File name, overwrite existing") : N_("File name")));
UI_but_func_complete_set(but, autocomplete_file, NULL);
UI_but_flag_enable(but, UI_BUT_NO_UTF8);
UI_but_flag_disable(but, UI_BUT_UNDO);
/* silly workaround calling NFunc to ensure this does not get called
* immediate ui_apply_but_func but only after button deactivates */
UI_but_funcN_set(but, file_filename_enter_handle, NULL, but);
/* check if this overrides a file and if the operator option is used */
if (overwrite_alert) {
UI_but_flag_enable(but, UI_BUT_REDALERT);
}
}
/* clear func */
UI_block_func_set(block, NULL, NULL, NULL);
}
/* Filename number increment / decrement buttons. */
if (fnumbuttons && (params->flag & FILE_DIRSEL_ONLY) == 0) {
UI_block_align_begin(block);
but = uiDefIconButO(block, UI_BTYPE_BUT, "FILE_OT_filenum", 0, ICON_ZOOMOUT,
min_x + line2_w + separator - chan_offs, line2_y,
btn_fn_w, btn_h,
TIP_("Decrement the filename number"));
RNA_int_set(UI_but_operator_ptr_get(but), "increment", -1);
but = uiDefIconButO(block, UI_BTYPE_BUT, "FILE_OT_filenum", 0, ICON_ZOOMIN,
min_x + line2_w + separator + btn_fn_w - chan_offs, line2_y,
btn_fn_w, btn_h,
TIP_("Increment the filename number"));
RNA_int_set(UI_but_operator_ptr_get(but), "increment", 1);
UI_block_align_end(block);
}
/* Execute / cancel buttons. */
if (loadbutton) {
/* params->title is already translated! */
uiDefButO(block, UI_BTYPE_BUT, "FILE_OT_execute", WM_OP_EXEC_REGION_WIN, params->title,
max_x - loadbutton, line1_y, loadbutton, btn_h, "");
uiDefButO(block, UI_BTYPE_BUT, "FILE_OT_cancel", WM_OP_EXEC_REGION_WIN, IFACE_("Cancel"),
max_x - loadbutton, line2_y, loadbutton, btn_h, "");
}
UI_block_end(C, block);
UI_block_draw(C, block);
}
static void draw_tile(int sx, int sy, int width, int height, int colorid, int shade)
{
UI_ThemeColorShade(colorid, shade);
UI_draw_roundbox_corner_set(UI_CNR_ALL);
UI_draw_roundbox((float)sx, (float)(sy - height), (float)(sx + width), (float)sy, 5.0f);
}
static int get_file_icon(struct direntry *file)
{
if (file->type & S_IFDIR) {
if (strcmp(file->relname, "..") == 0) {
return ICON_FILE_PARENT;
}
if (file->flags & APPLICATIONBUNDLE) {
return ICON_UGLYPACKAGE;
}
if (file->flags & BLENDERFILE) {
return ICON_FILE_BLEND;
}
return ICON_FILE_FOLDER;
}
else if (file->flags & BLENDERFILE)
return ICON_FILE_BLEND;
else if (file->flags & BLENDERFILE_BACKUP)
return ICON_FILE_BACKUP;
else if (file->flags & IMAGEFILE)
return ICON_FILE_IMAGE;
else if (file->flags & MOVIEFILE)
return ICON_FILE_MOVIE;
else if (file->flags & PYSCRIPTFILE)
return ICON_FILE_SCRIPT;
else if (file->flags & SOUNDFILE)
return ICON_FILE_SOUND;
else if (file->flags & FTFONTFILE)
return ICON_FILE_FONT;
else if (file->flags & BTXFILE)
return ICON_FILE_BLANK;
else if (file->flags & COLLADAFILE)
return ICON_FILE_BLANK;
else if (file->flags & TEXTFILE)
return ICON_FILE_TEXT;
else
return ICON_FILE_BLANK;
}
static void file_draw_icon(uiBlock *block, char *path, int sx, int sy, int icon, int width, int height, bool drag)
{
uiBut *but;
int x, y;
// float alpha = 1.0f;
x = sx;
y = sy - height;
/*if (icon == ICON_FILE_BLANK) alpha = 0.375f;*/
but = uiDefIconBut(block, UI_BTYPE_LABEL, 0, icon, x, y, width, height, NULL, 0.0f, 0.0f, 0.0f, 0.0f, "");
if (drag)
UI_but_drag_set_path(but, path);
}
static void file_draw_string(int sx, int sy, const char *string, float width, int height, short align)
{
uiStyle *style = UI_style_get();
uiFontStyle fs = style->widgetlabel;
rcti rect;
char fname[FILE_MAXFILE];
fs.align = align;
BLI_strncpy(fname, string, FILE_MAXFILE);
file_shorten_string(fname, width + 1.0f, 0);
/* no text clipping needed, UI_fontstyle_draw does it but is a bit too strict (for buttons it works) */
rect.xmin = sx;
rect.xmax = (int)(sx + ceil(width + 4.0f));
rect.ymin = sy - height;
rect.ymax = sy;
UI_fontstyle_draw(&fs, &rect, fname);
}
void file_calc_previews(const bContext *C, ARegion *ar)
{
SpaceFile *sfile = CTX_wm_space_file(C);
View2D *v2d = &ar->v2d;
ED_fileselect_init_layout(sfile, ar);
UI_view2d_totRect_set(v2d, sfile->layout->width, sfile->layout->height);
}
static void file_draw_preview(uiBlock *block, struct direntry *file, int sx, int sy, ImBuf *imb, FileLayout *layout, bool dropshadow, bool drag)
{
if (imb) {
uiBut *but;
float fx, fy;
float dx, dy;
int xco, yco;
float scaledx, scaledy;
float scale;
int ex, ey;
if ((imb->x * UI_DPI_FAC > layout->prv_w) ||
(imb->y * UI_DPI_FAC > layout->prv_h))
{
if (imb->x > imb->y) {
scaledx = (float)layout->prv_w;
scaledy = ( (float)imb->y / (float)imb->x) * layout->prv_w;
scale = scaledx / imb->x;
}
else {
scaledy = (float)layout->prv_h;
scaledx = ( (float)imb->x / (float)imb->y) * layout->prv_h;
scale = scaledy / imb->y;
}
}
else {
scaledx = (float)imb->x * UI_DPI_FAC;
scaledy = (float)imb->y * UI_DPI_FAC;
scale = UI_DPI_FAC;
}
ex = (int)scaledx;
ey = (int)scaledy;
fx = ((float)layout->prv_w - (float)ex) / 2.0f;
fy = ((float)layout->prv_h - (float)ey) / 2.0f;
dx = (fx + 0.5f + layout->prv_border_x);
dy = (fy + 0.5f - layout->prv_border_y);
xco = sx + (int)dx;
yco = sy - layout->prv_h + (int)dy;
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
/* shadow */
if (dropshadow)
UI_draw_box_shadow(220, (float)xco, (float)yco, (float)(xco + ex), (float)(yco + ey));
glEnable(GL_BLEND);
/* the image */
glColor4f(1.0, 1.0, 1.0, 1.0);
glaDrawPixelsTexScaled((float)xco, (float)yco, imb->x, imb->y, GL_RGBA, GL_UNSIGNED_BYTE, GL_NEAREST, imb->rect, scale, scale);
/* border */
if (dropshadow) {
glColor4f(0.0f, 0.0f, 0.0f, 0.4f);
fdrawbox((float)xco, (float)yco, (float)(xco + ex), (float)(yco + ey));
}
/* dragregion */
if (drag) {
but = uiDefBut(block, UI_BTYPE_LABEL, 0, "", xco, yco, ex, ey, NULL, 0.0, 0.0, 0, 0, "");
UI_but_drag_set_image(but, file->path, get_file_icon(file), imb, scale);
}
glDisable(GL_BLEND);
}
}
static void renamebutton_cb(bContext *C, void *UNUSED(arg1), char *oldname)
{
char newname[FILE_MAX + 12];
char orgname[FILE_MAX + 12];
char filename[FILE_MAX + 12];
wmWindowManager *wm = CTX_wm_manager(C);
SpaceFile *sfile = (SpaceFile *)CTX_wm_space_data(C);
ARegion *ar = CTX_wm_region(C);
BLI_make_file_string(G.main->name, orgname, sfile->params->dir, oldname);
BLI_strncpy(filename, sfile->params->renameedit, sizeof(filename));
BLI_make_file_string(G.main->name, newname, sfile->params->dir, filename);
if (strcmp(orgname, newname) != 0) {
if (!BLI_exists(newname)) {
BLI_rename(orgname, newname);
/* to make sure we show what is on disk */
ED_fileselect_clear(wm, sfile);
}
ED_region_tag_redraw(ar);
}
}
static void draw_background(FileLayout *layout, View2D *v2d)
{
int i;
int sy;
UI_ThemeColorShade(TH_BACK, -7);
/* alternating flat shade background */
for (i = 0; (i <= layout->rows); i += 2) {
sy = (int)v2d->cur.ymax - i * (layout->tile_h + 2 * layout->tile_border_y) - layout->tile_border_y;
glRectf(v2d->cur.xmin, (float)sy, v2d->cur.xmax, (float)(sy + layout->tile_h + 2 * layout->tile_border_y));
}
}
static void draw_dividers(FileLayout *layout, View2D *v2d)
{
const int step = (layout->tile_w + 2 * layout->tile_border_x);
int v1[2], v2[2];
int sx;
unsigned char col_hi[3], col_lo[3];
UI_GetThemeColorShade3ubv(TH_BACK, 30, col_hi);
UI_GetThemeColorShade3ubv(TH_BACK, -30, col_lo);
v1[1] = v2d->cur.ymax - layout->tile_border_y;
v2[1] = v2d->cur.ymin;
glBegin(GL_LINES);
/* vertical column dividers */
sx = (int)v2d->tot.xmin;
while (sx < v2d->cur.xmax) {
sx += step;
glColor3ubv(col_lo);
v1[0] = v2[0] = sx;
glVertex2iv(v1);
glVertex2iv(v2);
glColor3ubv(col_hi);
v1[0] = v2[0] = sx + 1;
glVertex2iv(v1);
glVertex2iv(v2);
}
glEnd();
}
void file_draw_list(const bContext *C, ARegion *ar)
{
SpaceFile *sfile = CTX_wm_space_file(C);
FileSelectParams *params = ED_fileselect_get_params(sfile);
FileLayout *layout = ED_fileselect_get_layout(sfile, ar);
View2D *v2d = &ar->v2d;
struct FileList *files = sfile->files;
struct direntry *file;
ImBuf *imb;
uiBlock *block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
int numfiles;
int numfiles_layout;
int sx, sy;
int offset;
int textwidth, textheight;
int i;
bool is_icon;
short align;
bool do_drag;
int column_space = 0.6f * UI_UNIT_X;
numfiles = filelist_numfiles(files);
if (params->display != FILE_IMGDISPLAY) {
draw_background(layout, v2d);
draw_dividers(layout, v2d);
}
offset = ED_fileselect_layout_offset(layout, (int)ar->v2d.cur.xmin, (int)-ar->v2d.cur.ymax);
if (offset < 0) offset = 0;
numfiles_layout = ED_fileselect_layout_numfiles(layout, ar);
/* adjust, so the next row is already drawn when scrolling */
if (layout->flag & FILE_LAYOUT_HOR) {
numfiles_layout += layout->rows;
}
else {
numfiles_layout += layout->columns;
}
textwidth = (FILE_IMGDISPLAY == params->display) ? layout->tile_w : (int)layout->column_widths[COLUMN_NAME];
textheight = (int)(layout->textheight * 3.0 / 2.0 + 0.5);
align = (FILE_IMGDISPLAY == params->display) ? UI_STYLE_TEXT_CENTER : UI_STYLE_TEXT_LEFT;
for (i = offset; (i < numfiles) && (i < offset + numfiles_layout); i++) {
ED_fileselect_layout_tilepos(layout, i, &sx, &sy);
sx += (int)(v2d->tot.xmin + 0.1f * UI_UNIT_X);
sy = (int)(v2d->tot.ymax - sy);
file = filelist_file(files, i);
UI_ThemeColor4(TH_TEXT);
if (!(file->selflag & EDITING_FILE)) {
if ((params->active_file == i) || (file->selflag & HILITED_FILE) || (file->selflag & SELECTED_FILE)) {
int colorid = (file->selflag & SELECTED_FILE) ? TH_HILITE : TH_BACK;
int shade = (params->active_file == i) || (file->selflag & HILITED_FILE) ? 20 : 0;
/* readonly files (".." and ".") must not be drawn as selected - set color back to normal */
if (STREQ(file->relname, "..") || STREQ(file->relname, ".")) {
colorid = TH_BACK;
}
draw_tile(sx, sy - 1, layout->tile_w + 4, sfile->layout->tile_h + layout->tile_border_y, colorid, shade);
}
}
UI_draw_roundbox_corner_set(UI_CNR_NONE);
/* don't drag parent or refresh items */
do_drag = !(STREQ(file->relname, "..") || STREQ(file->relname, "."));
if (FILE_IMGDISPLAY == params->display) {
is_icon = 0;
imb = filelist_getimage(files, i);
if (!imb) {
imb = filelist_geticon(files, i);
is_icon = 1;
}
file_draw_preview(block, file, sx, sy, imb, layout, !is_icon && (file->flags & IMAGEFILE), do_drag);
}
else {
file_draw_icon(block, file->path, sx, sy - (UI_UNIT_Y / 6), get_file_icon(file), ICON_DEFAULT_WIDTH_SCALE, ICON_DEFAULT_HEIGHT_SCALE, do_drag);
sx += ICON_DEFAULT_WIDTH_SCALE + 0.2f * UI_UNIT_X;
}
UI_ThemeColor4(TH_TEXT);
if (file->selflag & EDITING_FILE) {
uiBut *but;
short width;
if (params->display == FILE_SHORTDISPLAY) {
width = layout->tile_w - (ICON_DEFAULT_WIDTH_SCALE + 0.2f * UI_UNIT_X);
}
else if (params->display == FILE_LONGDISPLAY) {
width = layout->column_widths[COLUMN_NAME] + layout->column_widths[COLUMN_MODE1] +
layout->column_widths[COLUMN_MODE2] + layout->column_widths[COLUMN_MODE3] +
(column_space * 3.5f);
}
else {
BLI_assert(params->display == FILE_IMGDISPLAY);
width = textwidth;
}
but = uiDefBut(block, UI_BTYPE_TEXT, 1, "", sx, sy - layout->tile_h - 0.15f * UI_UNIT_X,
width, textheight, sfile->params->renameedit, 1.0f, (float)sizeof(sfile->params->renameedit), 0, 0, "");
UI_but_func_rename_set(but, renamebutton_cb, file);
UI_but_flag_enable(but, UI_BUT_NO_UTF8); /* allow non utf8 names */
UI_but_flag_disable(but, UI_BUT_UNDO);
if (false == UI_but_active_only(C, ar, block, but)) {
file->selflag &= ~EDITING_FILE;
}
}
if (!(file->selflag & EDITING_FILE)) {
int tpos = (FILE_IMGDISPLAY == params->display) ? sy - layout->tile_h + layout->textheight : sy;
file_draw_string(sx + 1, tpos, file->relname, (float)textwidth, textheight, align);
}
if (params->display == FILE_SHORTDISPLAY) {
sx += (int)layout->column_widths[COLUMN_NAME] + column_space;
if (!(file->type & S_IFDIR)) {
file_draw_string(sx, sy, file->size, layout->column_widths[COLUMN_SIZE], layout->tile_h, align);
sx += (int)layout->column_widths[COLUMN_SIZE] + column_space;
}
}
else if (params->display == FILE_LONGDISPLAY) {
sx += (int)layout->column_widths[COLUMN_NAME] + column_space;
#ifndef WIN32
/* rwx rwx rwx */
file_draw_string(sx, sy, file->mode1, layout->column_widths[COLUMN_MODE1], layout->tile_h, align);
sx += layout->column_widths[COLUMN_MODE1] + column_space;
file_draw_string(sx, sy, file->mode2, layout->column_widths[COLUMN_MODE2], layout->tile_h, align);
sx += layout->column_widths[COLUMN_MODE2] + column_space;
file_draw_string(sx, sy, file->mode3, layout->column_widths[COLUMN_MODE3], layout->tile_h, align);
sx += layout->column_widths[COLUMN_MODE3] + column_space;
file_draw_string(sx, sy, file->owner, layout->column_widths[COLUMN_OWNER], layout->tile_h, align);
sx += layout->column_widths[COLUMN_OWNER] + column_space;
#endif
file_draw_string(sx, sy, file->date, layout->column_widths[COLUMN_DATE], layout->tile_h, align);
sx += (int)layout->column_widths[COLUMN_DATE] + column_space;
file_draw_string(sx, sy, file->time, layout->column_widths[COLUMN_TIME], layout->tile_h, align);
sx += (int)layout->column_widths[COLUMN_TIME] + column_space;
if (!(file->type & S_IFDIR)) {
file_draw_string(sx, sy, file->size, layout->column_widths[COLUMN_SIZE], layout->tile_h, align);
sx += (int)layout->column_widths[COLUMN_SIZE] + column_space;
}
}
}
UI_block_end(C, block);
UI_block_draw(C, block);
}
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