3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include <IGUIScrollBar.h>
33 #include "util/string.h"
34 #include "util/numeric.h"
35 #include "guiFormSpecMenu.h" // for parseColor()
41 GUITable::GUITable(gui::IGUIEnvironment *env,
42 gui::IGUIElement* parent, s32 id,
43 core::rect<s32> rectangle,
44 ISimpleTextureSource *tsrc
46 gui::IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rectangle),
49 m_has_tree_column(false),
52 m_sel_doubleclick(false),
56 m_color(255, 255, 255, 255),
57 m_background(255, 0, 0, 0),
58 m_highlight(255, 70, 100, 50),
59 m_highlight_text(255, 255, 255, 255),
66 gui::IGUISkin* skin = Environment->getSkin();
68 m_font = skin->getFont();
71 m_rowheight = m_font->getDimension(L"A").Height + 4;
72 m_rowheight = MYMAX(m_rowheight, 1);
75 const s32 s = skin->getSize(gui::EGDS_SCROLLBAR_SIZE);
76 m_scrollbar = Environment->addScrollBar(false,
77 core::rect<s32>(RelativeRect.getWidth() - s,
79 RelativeRect.getWidth(),
80 RelativeRect.getHeight()),
82 m_scrollbar->setSubElement(true);
83 m_scrollbar->setTabStop(false);
84 m_scrollbar->setAlignment(gui::EGUIA_LOWERRIGHT, gui::EGUIA_LOWERRIGHT,
85 gui::EGUIA_UPPERLEFT, gui::EGUIA_LOWERRIGHT);
86 m_scrollbar->setVisible(false);
87 m_scrollbar->setPos(0);
91 updateAbsolutePosition();
96 for (size_t i = 0; i < m_rows.size(); ++i)
97 delete[] m_rows[i].cells;
102 m_scrollbar->remove();
105 GUITable::Option GUITable::splitOption(const std::string &str)
107 size_t equal_pos = str.find('=');
108 if (equal_pos == std::string::npos)
109 return GUITable::Option(str, "");
111 return GUITable::Option(str.substr(0, equal_pos),
112 str.substr(equal_pos + 1));
115 void GUITable::setTextList(const std::vector<std::string> &content,
121 m_background.setAlpha(0);
125 m_is_textlist = true;
127 s32 empty_string_index = allocString("");
129 m_rows.resize(content.size());
130 for (s32 i = 0; i < (s32) content.size(); ++i) {
131 Row *row = &m_rows[i];
132 row->cells = new Cell[1];
135 row->visible_index = i;
136 m_visible_rows.push_back(i);
138 Cell *cell = row->cells;
140 cell->xmax = 0x7fff; // something large enough
142 cell->content_type = COLUMN_TYPE_TEXT;
143 cell->content_index = empty_string_index;
144 cell->tooltip_index = empty_string_index;
145 cell->color.set(255, 255, 255, 255);
146 cell->color_defined = false;
147 cell->reported_column = 1;
149 // parse row content (color)
150 const std::string &s = content[i];
151 if (s[0] == '#' && s[1] == '#') {
152 // double # to escape
153 cell->content_index = allocString(s.substr(2));
155 else if (s[0] == '#' && s.size() >= 7 &&
156 GUIFormSpecMenu::parseColor(
157 s.substr(0,7), cell->color, false)) {
158 // single # for color
159 cell->color_defined = true;
160 cell->content_index = allocString(s.substr(7));
164 cell->content_index = allocString(s);
169 allocationComplete();
171 // Clamp scroll bar position
175 void GUITable::setTable(const TableOptions &options,
176 const TableColumns &columns,
177 std::vector<std::string> &content)
181 // Naming conventions:
182 // i is always a row index, 0-based
183 // j is always a column index, 0-based
184 // k is another index, for example an option index
186 // Handle a stupid error case... (issue #1187)
187 if (columns.empty()) {
188 TableColumn text_column;
189 text_column.type = "text";
190 TableColumns new_columns;
191 new_columns.push_back(text_column);
192 setTable(options, new_columns, content);
196 // Handle table options
197 video::SColor default_color(255, 255, 255, 255);
199 for (size_t k = 0; k < options.size(); ++k) {
200 const std::string &name = options[k].name;
201 const std::string &value = options[k].value;
203 GUIFormSpecMenu::parseColor(value, m_color, false);
204 else if (name == "background")
205 GUIFormSpecMenu::parseColor(value, m_background, false);
206 else if (name == "border")
207 m_border = is_yes(value);
208 else if (name == "highlight")
209 GUIFormSpecMenu::parseColor(value, m_highlight, false);
210 else if (name == "highlight_text")
211 GUIFormSpecMenu::parseColor(value, m_highlight_text, false);
212 else if (name == "opendepth")
213 opendepth = stoi(value);
215 errorstream<<"Invalid table option: \""<<name<<"\""
216 <<" (value=\""<<value<<"\")"<<std::endl;
219 // Get number of columns and rows
220 // note: error case columns.size() == 0 was handled above
221 s32 colcount = columns.size();
222 assert(colcount >= 1);
223 // rowcount = ceil(cellcount / colcount) but use integer arithmetic
224 s32 rowcount = (content.size() + colcount - 1) / colcount;
225 assert(rowcount >= 0);
226 // Append empty strings to content if there is an incomplete row
227 s32 cellcount = rowcount * colcount;
228 while (content.size() < (u32) cellcount)
229 content.push_back("");
231 // Create temporary rows (for processing columns)
233 // Current horizontal position (may different between rows due
234 // to indent/tree columns, or text/image columns with width<0)
236 // Tree indentation level
238 // Next cell: Index into m_strings or m_images
240 // Next cell: Width in pixels
242 // Vector of completed cells in this row
243 std::vector<Cell> cells;
244 // Stores colors and how long they last (maximum column index)
245 std::vector<std::pair<video::SColor, s32> > colors;
247 TempRow(): x(0), indent(0), content_index(0), content_width(0) {}
249 TempRow *rows = new TempRow[rowcount];
251 // Get em width. Pedantically speaking, the width of "M" is not
252 // necessarily the same as the em width, but whatever, close enough.
255 em = m_font->getDimension(L"M").Width;
257 s32 default_tooltip_index = allocString("");
259 std::map<s32, s32> active_image_indices;
261 // Process content in column-major order
262 for (s32 j = 0; j < colcount; ++j) {
264 ColumnType columntype = COLUMN_TYPE_TEXT;
265 if (columns[j].type == "text")
266 columntype = COLUMN_TYPE_TEXT;
267 else if (columns[j].type == "image")
268 columntype = COLUMN_TYPE_IMAGE;
269 else if (columns[j].type == "color")
270 columntype = COLUMN_TYPE_COLOR;
271 else if (columns[j].type == "indent")
272 columntype = COLUMN_TYPE_INDENT;
273 else if (columns[j].type == "tree")
274 columntype = COLUMN_TYPE_TREE;
276 errorstream<<"Invalid table column type: \""
277 <<columns[j].type<<"\""<<std::endl;
279 // Process column options
280 s32 padding = myround(0.5 * em);
281 s32 tooltip_index = default_tooltip_index;
286 if (columntype == COLUMN_TYPE_INDENT) {
287 padding = 0; // default indent padding
289 if (columntype == COLUMN_TYPE_INDENT ||
290 columntype == COLUMN_TYPE_TREE) {
291 width = myround(em * 1.5); // default indent width
294 for (size_t k = 0; k < columns[j].options.size(); ++k) {
295 const std::string &name = columns[j].options[k].name;
296 const std::string &value = columns[j].options[k].value;
297 if (name == "padding")
298 padding = myround(stof(value) * em);
299 else if (name == "tooltip")
300 tooltip_index = allocString(value);
301 else if (name == "align" && value == "left")
303 else if (name == "align" && value == "center")
305 else if (name == "align" && value == "right")
307 else if (name == "align" && value == "inline")
309 else if (name == "width")
310 width = myround(stof(value) * em);
311 else if (name == "span" && columntype == COLUMN_TYPE_COLOR)
313 else if (columntype == COLUMN_TYPE_IMAGE &&
315 string_allowed(name, "0123456789")) {
316 s32 content_index = allocImage(value);
317 active_image_indices.insert(std::make_pair(
322 errorstream<<"Invalid table column option: \""<<name<<"\""
323 <<" (value=\""<<value<<"\")"<<std::endl;
327 // If current column type can use information from "color" columns,
328 // find out which of those is currently active
329 if (columntype == COLUMN_TYPE_TEXT) {
330 for (s32 i = 0; i < rowcount; ++i) {
331 TempRow *row = &rows[i];
332 while (!row->colors.empty() && row->colors.back().second < j)
333 row->colors.pop_back();
337 // Make template for new cells
339 memset(&newcell, 0, sizeof newcell);
340 newcell.content_type = columntype;
341 newcell.tooltip_index = tooltip_index;
342 newcell.reported_column = j+1;
344 if (columntype == COLUMN_TYPE_TEXT) {
345 // Find right edge of column
347 for (s32 i = 0; i < rowcount; ++i) {
348 TempRow *row = &rows[i];
349 row->content_index = allocString(content[i * colcount + j]);
350 const core::stringw &text = m_strings[row->content_index];
351 row->content_width = m_font ?
352 m_font->getDimension(text.c_str()).Width : 0;
353 row->content_width = MYMAX(row->content_width, width);
354 s32 row_xmax = row->x + padding + row->content_width;
355 xmax = MYMAX(xmax, row_xmax);
357 // Add a new cell (of text type) to each row
358 for (s32 i = 0; i < rowcount; ++i) {
359 newcell.xmin = rows[i].x + padding;
360 alignContent(&newcell, xmax, rows[i].content_width, align);
361 newcell.content_index = rows[i].content_index;
362 newcell.color_defined = !rows[i].colors.empty();
363 if (newcell.color_defined)
364 newcell.color = rows[i].colors.back().first;
365 rows[i].cells.push_back(newcell);
366 rows[i].x = newcell.xmax;
369 else if (columntype == COLUMN_TYPE_IMAGE) {
370 // Find right edge of column
372 for (s32 i = 0; i < rowcount; ++i) {
373 TempRow *row = &rows[i];
374 row->content_index = -1;
376 // Find content_index. Image indices are defined in
377 // column options so check active_image_indices.
378 s32 image_index = stoi(content[i * colcount + j]);
379 std::map<s32, s32>::iterator image_iter =
380 active_image_indices.find(image_index);
381 if (image_iter != active_image_indices.end())
382 row->content_index = image_iter->second;
384 // Get texture object (might be NULL)
385 video::ITexture *image = NULL;
386 if (row->content_index >= 0)
387 image = m_images[row->content_index];
389 // Get content width and update xmax
390 row->content_width = image ? image->getOriginalSize().Width : 0;
391 row->content_width = MYMAX(row->content_width, width);
392 s32 row_xmax = row->x + padding + row->content_width;
393 xmax = MYMAX(xmax, row_xmax);
395 // Add a new cell (of image type) to each row
396 for (s32 i = 0; i < rowcount; ++i) {
397 newcell.xmin = rows[i].x + padding;
398 alignContent(&newcell, xmax, rows[i].content_width, align);
399 newcell.content_index = rows[i].content_index;
400 rows[i].cells.push_back(newcell);
401 rows[i].x = newcell.xmax;
403 active_image_indices.clear();
405 else if (columntype == COLUMN_TYPE_COLOR) {
406 for (s32 i = 0; i < rowcount; ++i) {
407 video::SColor cellcolor(255, 255, 255, 255);
408 if (GUIFormSpecMenu::parseColor(content[i * colcount + j], cellcolor, true))
409 rows[i].colors.push_back(std::make_pair(cellcolor, j+span));
412 else if (columntype == COLUMN_TYPE_INDENT ||
413 columntype == COLUMN_TYPE_TREE) {
414 // For column type "tree", reserve additional space for +/-
415 // Also enable special processing for treeview-type tables
416 s32 content_width = 0;
417 if (columntype == COLUMN_TYPE_TREE) {
418 content_width = m_font ? m_font->getDimension(L"+").Width : 0;
419 m_has_tree_column = true;
421 // Add a new cell (of indent or tree type) to each row
422 for (s32 i = 0; i < rowcount; ++i) {
423 TempRow *row = &rows[i];
425 s32 indentlevel = stoi(content[i * colcount + j]);
426 indentlevel = MYMAX(indentlevel, 0);
427 if (columntype == COLUMN_TYPE_TREE)
428 row->indent = indentlevel;
430 newcell.xmin = row->x + padding;
431 newcell.xpos = newcell.xmin + indentlevel * width;
432 newcell.xmax = newcell.xpos + content_width;
433 newcell.content_index = 0;
434 newcell.color_defined = !rows[i].colors.empty();
435 if (newcell.color_defined)
436 newcell.color = rows[i].colors.back().first;
437 row->cells.push_back(newcell);
438 row->x = newcell.xmax;
443 // Copy temporary rows to not so temporary rows
445 m_rows.resize(rowcount);
446 for (s32 i = 0; i < rowcount; ++i) {
447 Row *row = &m_rows[i];
448 row->cellcount = rows[i].cells.size();
449 row->cells = new Cell[row->cellcount];
450 memcpy((void*) row->cells, (void*) &rows[i].cells[0],
451 row->cellcount * sizeof(Cell));
452 row->indent = rows[i].indent;
453 row->visible_index = i;
454 m_visible_rows.push_back(i);
458 if (m_has_tree_column) {
459 // Treeview: convert tree to indent cells on leaf rows
460 for (s32 i = 0; i < rowcount; ++i) {
461 if (i == rowcount-1 || m_rows[i].indent >= m_rows[i+1].indent)
462 for (s32 j = 0; j < m_rows[i].cellcount; ++j)
463 if (m_rows[i].cells[j].content_type == COLUMN_TYPE_TREE)
464 m_rows[i].cells[j].content_type = COLUMN_TYPE_INDENT;
467 // Treeview: close rows according to opendepth option
468 std::set<s32> opened_trees;
469 for (s32 i = 0; i < rowcount; ++i)
470 if (m_rows[i].indent < opendepth)
471 opened_trees.insert(i);
472 setOpenedTrees(opened_trees);
475 // Delete temporary information used only during setTable()
477 allocationComplete();
479 // Clamp scroll bar position
483 void GUITable::clear()
485 // Clean up cells and rows
486 for (size_t i = 0; i < m_rows.size(); ++i)
487 delete[] m_rows[i].cells;
489 m_visible_rows.clear();
491 // Get colors from skin
492 gui::IGUISkin *skin = Environment->getSkin();
493 m_color = skin->getColor(gui::EGDC_BUTTON_TEXT);
494 m_background = skin->getColor(gui::EGDC_3D_HIGH_LIGHT);
495 m_highlight = skin->getColor(gui::EGDC_HIGH_LIGHT);
496 m_highlight_text = skin->getColor(gui::EGDC_HIGH_LIGHT_TEXT);
499 m_is_textlist = false;
500 m_has_tree_column = false;
503 m_sel_doubleclick = false;
505 m_keynav_buffer = L"";
509 m_alloc_strings.clear();
510 m_alloc_images.clear();
513 std::string GUITable::checkEvent()
515 s32 sel = getSelected();
522 std::ostringstream os(std::ios::binary);
523 if (m_sel_doubleclick) {
525 m_sel_doubleclick = false;
531 if (!m_is_textlist) {
532 os<<":"<<m_sel_column;
537 s32 GUITable::getSelected() const
542 assert(m_selected >= 0 && m_selected < (s32) m_visible_rows.size());
543 return m_visible_rows[m_selected] + 1;
546 void GUITable::setSelected(s32 index)
550 m_sel_doubleclick = false;
554 s32 rowcount = m_rows.size();
556 if (index >= rowcount)
557 index = rowcount - 1;
558 while (index >= 0 && m_rows[index].visible_index < 0)
561 m_selected = m_rows[index].visible_index;
562 assert(m_selected >= 0 && m_selected < (s32) m_visible_rows.size());
568 GUITable::DynamicData GUITable::getDynamicData() const
571 dyndata.selected = getSelected();
572 dyndata.scrollpos = m_scrollbar->getPos();
573 dyndata.keynav_time = m_keynav_time;
574 dyndata.keynav_buffer = m_keynav_buffer;
575 if (m_has_tree_column)
576 getOpenedTrees(dyndata.opened_trees);
580 void GUITable::setDynamicData(const DynamicData &dyndata)
582 if (m_has_tree_column)
583 setOpenedTrees(dyndata.opened_trees);
585 m_keynav_time = dyndata.keynav_time;
586 m_keynav_buffer = dyndata.keynav_buffer;
588 m_scrollbar->setPos(dyndata.scrollpos);
590 setSelected(dyndata.selected);
592 m_sel_doubleclick = false;
595 const c8* GUITable::getTypeName() const
600 void GUITable::updateAbsolutePosition()
602 IGUIElement::updateAbsolutePosition();
606 void GUITable::draw()
611 gui::IGUISkin *skin = Environment->getSkin();
615 bool draw_background = m_background.getAlpha() > 0;
617 skin->draw3DSunkenPane(this, m_background,
618 true, draw_background,
619 AbsoluteRect, &AbsoluteClippingRect);
620 else if (draw_background)
621 skin->draw2DRectangle(this, m_background,
622 AbsoluteRect, &AbsoluteClippingRect);
626 core::rect<s32> client_clip(AbsoluteRect);
627 client_clip.UpperLeftCorner.Y += 1;
628 client_clip.UpperLeftCorner.X += 1;
629 client_clip.LowerRightCorner.Y -= 1;
630 client_clip.LowerRightCorner.X -=
631 m_scrollbar->isVisible() ?
632 skin->getSize(gui::EGDS_SCROLLBAR_SIZE) :
634 client_clip.clipAgainst(AbsoluteClippingRect);
638 s32 scrollpos = m_scrollbar->getPos();
639 s32 row_min = scrollpos / m_rowheight;
640 s32 row_max = (scrollpos + AbsoluteRect.getHeight() - 1)
642 row_max = MYMIN(row_max, (s32) m_visible_rows.size());
644 core::rect<s32> row_rect(AbsoluteRect);
645 if (m_scrollbar->isVisible())
646 row_rect.LowerRightCorner.X -=
647 skin->getSize(gui::EGDS_SCROLLBAR_SIZE);
648 row_rect.UpperLeftCorner.Y += row_min * m_rowheight - scrollpos;
649 row_rect.LowerRightCorner.Y = row_rect.UpperLeftCorner.Y + m_rowheight;
651 for (s32 i = row_min; i < row_max; ++i) {
652 Row *row = &m_rows[m_visible_rows[i]];
653 bool is_sel = i == m_selected;
654 video::SColor color = m_color;
657 skin->draw2DRectangle(this, m_highlight, row_rect, &client_clip);
658 color = m_highlight_text;
661 for (s32 j = 0; j < row->cellcount; ++j)
662 drawCell(&row->cells[j], color, row_rect, client_clip);
664 row_rect.UpperLeftCorner.Y += m_rowheight;
665 row_rect.LowerRightCorner.Y += m_rowheight;
672 void GUITable::drawCell(const Cell *cell, video::SColor color,
673 const core::rect<s32> &row_rect,
674 const core::rect<s32> &client_clip)
676 if ((cell->content_type == COLUMN_TYPE_TEXT)
677 || (cell->content_type == COLUMN_TYPE_TREE)) {
679 core::rect<s32> text_rect = row_rect;
680 text_rect.UpperLeftCorner.X = row_rect.UpperLeftCorner.X
682 text_rect.LowerRightCorner.X = row_rect.UpperLeftCorner.X
685 if (cell->color_defined)
689 if (cell->content_type == COLUMN_TYPE_TEXT)
690 m_font->draw(m_strings[cell->content_index],
692 false, true, &client_clip);
694 m_font->draw(cell->content_index ? L"+" : L"-",
696 false, true, &client_clip);
699 else if (cell->content_type == COLUMN_TYPE_IMAGE) {
701 if (cell->content_index < 0)
704 video::IVideoDriver *driver = Environment->getVideoDriver();
705 video::ITexture *image = m_images[cell->content_index];
708 core::position2d<s32> dest_pos =
709 row_rect.UpperLeftCorner;
710 dest_pos.X += cell->xpos;
711 core::rect<s32> source_rect(
712 core::position2d<s32>(0, 0),
713 image->getOriginalSize());
714 s32 imgh = source_rect.LowerRightCorner.Y;
715 s32 rowh = row_rect.getHeight();
717 dest_pos.Y += (rowh - imgh) / 2;
719 source_rect.LowerRightCorner.Y = rowh;
721 video::SColor color(255, 255, 255, 255);
723 driver->draw2DImage(image, dest_pos, source_rect,
724 &client_clip, color, true);
729 bool GUITable::OnEvent(const SEvent &event)
732 return IGUIElement::OnEvent(event);
734 if (event.EventType == EET_KEY_INPUT_EVENT) {
735 if (event.KeyInput.PressedDown && (
736 event.KeyInput.Key == KEY_DOWN ||
737 event.KeyInput.Key == KEY_UP ||
738 event.KeyInput.Key == KEY_HOME ||
739 event.KeyInput.Key == KEY_END ||
740 event.KeyInput.Key == KEY_NEXT ||
741 event.KeyInput.Key == KEY_PRIOR)) {
743 switch (event.KeyInput.Key) {
751 offset = - (s32) m_visible_rows.size();
754 offset = m_visible_rows.size();
757 offset = AbsoluteRect.getHeight() / m_rowheight;
760 offset = - (s32) (AbsoluteRect.getHeight() / m_rowheight);
765 s32 old_selected = m_selected;
766 s32 rowcount = m_visible_rows.size();
768 m_selected = rangelim(m_selected + offset, 0, rowcount-1);
772 if (m_selected != old_selected)
773 sendTableEvent(0, false);
777 else if (event.KeyInput.PressedDown && (
778 event.KeyInput.Key == KEY_LEFT ||
779 event.KeyInput.Key == KEY_RIGHT)) {
780 // Open/close subtree via keyboard
781 if (m_selected >= 0) {
782 int dir = event.KeyInput.Key == KEY_LEFT ? -1 : 1;
783 toggleVisibleTree(m_selected, dir, true);
787 else if (!event.KeyInput.PressedDown && (
788 event.KeyInput.Key == KEY_RETURN ||
789 event.KeyInput.Key == KEY_SPACE)) {
790 sendTableEvent(0, true);
793 else if (event.KeyInput.Key == KEY_ESCAPE ||
794 event.KeyInput.Key == KEY_SPACE) {
797 else if (event.KeyInput.PressedDown && event.KeyInput.Char) {
798 // change selection based on text as it is typed
799 s32 now = getTimeMs();
800 if (now - m_keynav_time >= 500)
801 m_keynav_buffer = L"";
804 // add to key buffer if not a key repeat
805 if (!(m_keynav_buffer.size() == 1 &&
806 m_keynav_buffer[0] == event.KeyInput.Char)) {
807 m_keynav_buffer.append(event.KeyInput.Char);
810 // find the selected item, starting at the current selection
811 // don't change selection if the key buffer matches the current item
812 s32 old_selected = m_selected;
813 s32 start = MYMAX(m_selected, 0);
814 s32 rowcount = m_visible_rows.size();
815 for (s32 k = 1; k < rowcount; ++k) {
816 s32 current = start + k;
817 if (current >= rowcount)
819 if (doesRowStartWith(getRow(current), m_keynav_buffer)) {
820 m_selected = current;
825 if (m_selected != old_selected)
826 sendTableEvent(0, false);
831 if (event.EventType == EET_MOUSE_INPUT_EVENT) {
832 core::position2d<s32> p(event.MouseInput.X, event.MouseInput.Y);
834 if (event.MouseInput.Event == EMIE_MOUSE_WHEEL) {
835 m_scrollbar->setPos(m_scrollbar->getPos() +
836 (event.MouseInput.Wheel < 0 ? -1 : 1) *
837 - (s32) m_rowheight / 2);
841 // Find hovered row and cell
842 bool really_hovering = false;
843 s32 row_i = getRowAt(p.Y, really_hovering);
844 const Cell *cell = NULL;
845 if (really_hovering) {
846 s32 cell_j = getCellAt(p.X, row_i);
848 cell = &(getRow(row_i)->cells[cell_j]);
852 setToolTipText(cell ? m_strings[cell->tooltip_index].c_str() : L"");
854 if (event.MouseInput.isLeftPressed() &&
856 event.MouseInput.Event == EMIE_MOUSE_MOVED)) {
858 bool sel_doubleclick = (event.MouseInput.Event
859 == EMIE_LMOUSE_DOUBLE_CLICK);
860 bool plusminus_clicked = false;
862 // For certain events (left click), report column
863 // Also open/close subtrees when the +/- is clicked
865 event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN ||
866 event.MouseInput.Event == EMIE_LMOUSE_DOUBLE_CLICK ||
867 event.MouseInput.Event == EMIE_LMOUSE_TRIPLE_CLICK)) {
868 sel_column = cell->reported_column;
869 if (cell->content_type == COLUMN_TYPE_TREE)
870 plusminus_clicked = true;
873 if (plusminus_clicked) {
874 if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN) {
875 toggleVisibleTree(row_i, 0, false);
880 s32 old_selected = m_selected;
884 if (m_selected != old_selected ||
887 sendTableEvent(sel_column, sel_doubleclick);
893 if (event.EventType == EET_GUI_EVENT &&
894 event.GUIEvent.EventType == gui::EGET_SCROLL_BAR_CHANGED &&
895 event.GUIEvent.Caller == m_scrollbar) {
896 // Don't pass events from our scrollbar to the parent
900 return IGUIElement::OnEvent(event);
903 /******************************************************************************/
904 /* GUITable helper functions */
905 /******************************************************************************/
907 s32 GUITable::allocString(const std::string &text)
909 std::map<std::string, s32>::iterator it = m_alloc_strings.find(text);
910 if (it == m_alloc_strings.end()) {
911 s32 id = m_strings.size();
912 std::wstring wtext = narrow_to_wide(text);
913 m_strings.push_back(core::stringw(wtext.c_str()));
914 m_alloc_strings.insert(std::make_pair(text, id));
922 s32 GUITable::allocImage(const std::string &imagename)
924 std::map<std::string, s32>::iterator it = m_alloc_images.find(imagename);
925 if (it == m_alloc_images.end()) {
926 s32 id = m_images.size();
927 m_images.push_back(m_tsrc->getTexture(imagename));
928 m_alloc_images.insert(std::make_pair(imagename, id));
936 void GUITable::allocationComplete()
938 // Called when done with creating rows and cells from table data,
939 // i.e. when allocString and allocImage won't be called anymore
940 m_alloc_strings.clear();
941 m_alloc_images.clear();
944 const GUITable::Row* GUITable::getRow(s32 i) const
946 if (i >= 0 && i < (s32) m_visible_rows.size())
947 return &m_rows[m_visible_rows[i]];
952 bool GUITable::doesRowStartWith(const Row *row, const core::stringw &str) const
957 for (s32 j = 0; j < row->cellcount; ++j) {
958 Cell *cell = &row->cells[j];
959 if (cell->content_type == COLUMN_TYPE_TEXT) {
960 const core::stringw &cellstr = m_strings[cell->content_index];
961 if (cellstr.size() >= str.size() &&
962 str.equals_ignore_case(cellstr.subString(0, str.size())))
969 s32 GUITable::getRowAt(s32 y, bool &really_hovering) const
971 really_hovering = false;
973 s32 rowcount = m_visible_rows.size();
977 // Use arithmetic to find row
978 s32 rel_y = y - AbsoluteRect.UpperLeftCorner.Y - 1;
979 s32 i = (rel_y + m_scrollbar->getPos()) / m_rowheight;
981 if (i >= 0 && i < rowcount) {
982 really_hovering = true;
992 s32 GUITable::getCellAt(s32 x, s32 row_i) const
994 const Row *row = getRow(row_i);
998 // Use binary search to find cell in row
999 s32 rel_x = x - AbsoluteRect.UpperLeftCorner.X - 1;
1001 s32 jmax = row->cellcount - 1;
1002 while (jmin < jmax) {
1003 s32 pivot = jmin + (jmax - jmin) / 2;
1004 assert(pivot >= 0 && pivot < row->cellcount);
1005 const Cell *cell = &row->cells[pivot];
1007 if (rel_x >= cell->xmin && rel_x <= cell->xmax)
1009 else if (rel_x < cell->xmin)
1015 if (jmin >= 0 && jmin < row->cellcount &&
1016 rel_x >= row->cells[jmin].xmin &&
1017 rel_x <= row->cells[jmin].xmax)
1023 void GUITable::autoScroll()
1025 if (m_selected >= 0) {
1026 s32 pos = m_scrollbar->getPos();
1027 s32 maxpos = m_selected * m_rowheight;
1028 s32 minpos = maxpos - (AbsoluteRect.getHeight() - m_rowheight);
1030 m_scrollbar->setPos(maxpos);
1031 else if (pos < minpos)
1032 m_scrollbar->setPos(minpos);
1036 void GUITable::updateScrollBar()
1038 s32 totalheight = m_rowheight * m_visible_rows.size();
1039 s32 scrollmax = MYMAX(0, totalheight - AbsoluteRect.getHeight());
1040 m_scrollbar->setVisible(scrollmax > 0);
1041 m_scrollbar->setMax(scrollmax);
1042 m_scrollbar->setSmallStep(m_rowheight);
1043 m_scrollbar->setLargeStep(2 * m_rowheight);
1046 void GUITable::sendTableEvent(s32 column, bool doubleclick)
1048 m_sel_column = column;
1049 m_sel_doubleclick = doubleclick;
1052 memset(&e, 0, sizeof e);
1053 e.EventType = EET_GUI_EVENT;
1054 e.GUIEvent.Caller = this;
1055 e.GUIEvent.Element = 0;
1056 e.GUIEvent.EventType = gui::EGET_TABLE_CHANGED;
1061 void GUITable::getOpenedTrees(std::set<s32> &opened_trees) const
1063 opened_trees.clear();
1064 s32 rowcount = m_rows.size();
1065 for (s32 i = 0; i < rowcount - 1; ++i) {
1066 if (m_rows[i].indent < m_rows[i+1].indent &&
1067 m_rows[i+1].visible_index != -2)
1068 opened_trees.insert(i);
1072 void GUITable::setOpenedTrees(const std::set<s32> &opened_trees)
1074 s32 old_selected = getSelected();
1076 std::vector<s32> parents;
1077 std::vector<s32> closed_parents;
1079 m_visible_rows.clear();
1081 for (size_t i = 0; i < m_rows.size(); ++i) {
1082 Row *row = &m_rows[i];
1084 // Update list of ancestors
1085 while (!parents.empty() && m_rows[parents.back()].indent >= row->indent)
1087 while (!closed_parents.empty() &&
1088 m_rows[closed_parents.back()].indent >= row->indent)
1089 closed_parents.pop_back();
1091 assert(closed_parents.size() <= parents.size());
1093 if (closed_parents.empty()) {
1095 row->visible_index = m_visible_rows.size();
1096 m_visible_rows.push_back(i);
1098 else if (parents.back() == closed_parents.back()) {
1099 // Invisible row, direct parent is closed
1100 row->visible_index = -2;
1103 // Invisible row, direct parent is open, some ancestor is closed
1104 row->visible_index = -1;
1107 // If not a leaf, add to parents list
1108 if (i < m_rows.size()-1 && row->indent < m_rows[i+1].indent) {
1109 parents.push_back(i);
1111 s32 content_index = 0; // "-", open
1112 if (opened_trees.count(i) == 0) {
1113 closed_parents.push_back(i);
1114 content_index = 1; // "+", closed
1117 // Update all cells of type "tree"
1118 for (s32 j = 0; j < row->cellcount; ++j)
1119 if (row->cells[j].content_type == COLUMN_TYPE_TREE)
1120 row->cells[j].content_index = content_index;
1126 setSelected(old_selected);
1129 void GUITable::openTree(s32 to_open)
1131 std::set<s32> opened_trees;
1132 getOpenedTrees(opened_trees);
1133 opened_trees.insert(to_open);
1134 setOpenedTrees(opened_trees);
1137 void GUITable::closeTree(s32 to_close)
1139 std::set<s32> opened_trees;
1140 getOpenedTrees(opened_trees);
1141 opened_trees.erase(to_close);
1142 setOpenedTrees(opened_trees);
1145 // The following function takes a visible row index (hidden rows skipped)
1146 // dir: -1 = left (close), 0 = auto (toggle), 1 = right (open)
1147 void GUITable::toggleVisibleTree(s32 row_i, int dir, bool move_selection)
1149 // Check if the chosen tree is currently open
1150 const Row *row = getRow(row_i);
1154 bool was_open = false;
1155 for (s32 j = 0; j < row->cellcount; ++j) {
1156 if (row->cells[j].content_type == COLUMN_TYPE_TREE) {
1157 was_open = row->cells[j].content_index == 0;
1162 // Check if the chosen tree should be opened
1163 bool do_open = !was_open;
1169 // Close or open the tree; the heavy lifting is done by setOpenedTrees
1170 if (was_open && !do_open)
1171 closeTree(m_visible_rows[row_i]);
1172 else if (!was_open && do_open)
1173 openTree(m_visible_rows[row_i]);
1175 // Change selected row if requested by caller,
1176 // this is useful for keyboard navigation
1177 if (move_selection) {
1179 if (was_open && do_open) {
1180 // Move selection to first child
1181 const Row *maybe_child = getRow(sel + 1);
1182 if (maybe_child && maybe_child->indent > row->indent)
1185 else if (!was_open && !do_open) {
1186 // Move selection to parent
1187 assert(getRow(sel) != NULL);
1188 while (sel > 0 && getRow(sel - 1)->indent >= row->indent)
1191 if (sel < 0) // was root already selected?
1194 if (sel != m_selected) {
1197 sendTableEvent(0, false);
1202 void GUITable::alignContent(Cell *cell, s32 xmax, s32 content_width, s32 align)
1204 // requires that cell.xmin, cell.xmax are properly set
1205 // align = 0: left aligned, 1: centered, 2: right aligned, 3: inline
1207 cell->xpos = cell->xmin;
1210 else if (align == 1) {
1211 cell->xpos = (cell->xmin + xmax - content_width) / 2;
1214 else if (align == 2) {
1215 cell->xpos = xmax - content_width;
1219 // inline alignment: the cells of the column don't have an aligned
1220 // right border, the right border of each cell depends on the content
1221 cell->xpos = cell->xmin;
1222 cell->xmax = cell->xmin + content_width;