From 966fe28c59f59fc8be795c8215b9352435982445 Mon Sep 17 00:00:00 2001 From: Aki Date: Thu, 30 Sep 2021 16:46:36 +0200 Subject: Merged nGenEx and Parser into Stars45 --- Stars45/ListBox.cpp | 1358 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1358 insertions(+) create mode 100644 Stars45/ListBox.cpp (limited to 'Stars45/ListBox.cpp') diff --git a/Stars45/ListBox.cpp b/Stars45/ListBox.cpp new file mode 100644 index 0000000..2992393 --- /dev/null +++ b/Stars45/ListBox.cpp @@ -0,0 +1,1358 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: nGenEx.lib + FILE: ListBox.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + ListBox ActiveWindow class +*/ + +#include "MemDebug.h" +#include "ListBox.h" +#include "Button.h" +#include "Bitmap.h" +#include "FormWindow.h" +#include "Video.h" +#include "Font.h" +#include "Keyboard.h" +#include "Mouse.h" + +// +--------------------------------------------------------------------+ + +class ListBoxCell +{ +public: + static const char* TYPENAME() { return "ListBoxCell"; } + + ListBoxCell() : data(0), image(0) { } + + Text text; + DWORD data; + Bitmap* image; +}; + +// +--------------------------------------------------------------------+ + +class ListBoxItem +{ +public: + static const char* TYPENAME() { return "ListBoxItem"; } + + ListBoxItem() : data(0), image(0), selected(false), listbox(0), color(Color::White) { } + ~ListBoxItem() { subitems.destroy(); } + + int operator < (const ListBoxItem& item) const; + int operator <=(const ListBoxItem& item) const; + int operator ==(const ListBoxItem& item) const; + + Text text; + DWORD data; + Bitmap* image; + bool selected; + Color color; + List subitems; + + ListBox* listbox; +}; + +// +--------------------------------------------------------------------+ + +class ListBoxColumn +{ +public: + static const char* TYPENAME() { return "ListBoxColumn"; } + + ListBoxColumn() : width(0), align(0), sort(0), color(Color::White), use_color(0), percent(0) { } + + Text title; + int width; + int align; + int sort; + Color color; + int use_color; + + double percent; +}; + +// +--------------------------------------------------------------------+ + +int ListBoxItem::operator < (const ListBoxItem& item) const +{ + if (listbox && listbox == item.listbox) { + int sort_column = listbox->GetSortColumn() - 1; + int sort_criteria = listbox->GetSortCriteria(); + + if (sort_column == -1) { + switch (sort_criteria) { + case ListBox::LIST_SORT_NUMERIC_DESCENDING: + return data > item.data; + + case ListBox::LIST_SORT_ALPHA_DESCENDING: + return text > item.text; + + case ListBox::LIST_SORT_ALPHA_ASCENDING: + return text < item.text; + + case ListBox::LIST_SORT_NUMERIC_ASCENDING: + return data < item.data; + } + } + + else if (sort_column >= 0 && + sort_column <= subitems.size() && + sort_column <= item.subitems.size()) { + + switch (sort_criteria) { + case ListBox::LIST_SORT_NUMERIC_DESCENDING: + return subitems[sort_column]->data > item.subitems[sort_column]->data; + + case ListBox::LIST_SORT_ALPHA_DESCENDING: + return subitems[sort_column]->text > item.subitems[sort_column]->text; + + case ListBox::LIST_SORT_ALPHA_ASCENDING: + return subitems[sort_column]->text < item.subitems[sort_column]->text; + + case ListBox::LIST_SORT_NUMERIC_ASCENDING: + return subitems[sort_column]->data < item.subitems[sort_column]->data; + } + } + } + + return 0; +} + +// +--------------------------------------------------------------------+ + +int ListBoxItem::operator <=(const ListBoxItem& item) const +{ + if (listbox && listbox == item.listbox) { + int sort_column = listbox->GetSortColumn() - 1; + int sort_criteria = listbox->GetSortCriteria(); + + if (sort_column == -1) { + switch (sort_criteria) { + case ListBox::LIST_SORT_NUMERIC_DESCENDING: + return data >= item.data; + + case ListBox::LIST_SORT_ALPHA_DESCENDING: + return text >= item.text; + + case ListBox::LIST_SORT_ALPHA_ASCENDING: + return text <= item.text; + + case ListBox::LIST_SORT_NUMERIC_ASCENDING: + return data <= item.data; + } + } + + else if (sort_column >= 0 && + sort_column <= subitems.size() && + sort_column <= item.subitems.size()) { + + switch (sort_criteria) { + case ListBox::LIST_SORT_NUMERIC_DESCENDING: + return subitems[sort_column]->data >= item.subitems[sort_column]->data; + + case ListBox::LIST_SORT_ALPHA_DESCENDING: + return subitems[sort_column]->text >= item.subitems[sort_column]->text; + + case ListBox::LIST_SORT_ALPHA_ASCENDING: + return subitems[sort_column]->text <= item.subitems[sort_column]->text; + + case ListBox::LIST_SORT_NUMERIC_ASCENDING: + return subitems[sort_column]->data <= item.subitems[sort_column]->data; + } + } + } + + return 0; +} + +// +--------------------------------------------------------------------+ + +int ListBoxItem::operator == (const ListBoxItem& item) const +{ + if (listbox && listbox == item.listbox) { + int sort_column = listbox->GetSortColumn() - 1; + int sort_criteria = listbox->GetSortCriteria(); + + if (sort_column == -1) { + switch (sort_criteria) { + case ListBox::LIST_SORT_NUMERIC_DESCENDING: + return data == item.data; + + case ListBox::LIST_SORT_ALPHA_DESCENDING: + return text == item.text; + + case ListBox::LIST_SORT_ALPHA_ASCENDING: + return text == item.text; + + case ListBox::LIST_SORT_NUMERIC_ASCENDING: + return data == item.data; + } + } + + else if (sort_column >= 0 && + sort_column <= subitems.size() && + sort_column <= item.subitems.size()) { + + switch (sort_criteria) { + case ListBox::LIST_SORT_NUMERIC_DESCENDING: + return subitems[sort_column]->data == item.subitems[sort_column]->data; + + case ListBox::LIST_SORT_ALPHA_DESCENDING: + return subitems[sort_column]->text == item.subitems[sort_column]->text; + + case ListBox::LIST_SORT_ALPHA_ASCENDING: + return subitems[sort_column]->text == item.subitems[sort_column]->text; + + case ListBox::LIST_SORT_NUMERIC_ASCENDING: + return subitems[sort_column]->data == item.subitems[sort_column]->data; + } + } + } + + return 0; +} + +// +--------------------------------------------------------------------+ + +static int old_cursor; + +// +--------------------------------------------------------------------+ + +ListBox::ListBox(ActiveWindow* p, int ax, int ay, int aw, int ah, DWORD aid) +: ScrollWindow(p->GetScreen(), ax, ay, aw, ah, aid, 0, p) +{ + show_headings = false; + multiselect = false; + list_index = 0; + selcount = 0; + + selected_color = Color(255, 255, 128); + + sort_column = 0; + item_style = LIST_ITEM_STYLE_PLAIN; + seln_style = LIST_ITEM_STYLE_PLAIN; + + char buf[32]; + sprintf_s(buf, "ListBox %d", id); + desc = buf; +} + +ListBox::ListBox(Screen* s, int ax, int ay, int aw, int ah, DWORD aid) +: ScrollWindow(s, ax, ay, aw, ah, aid) +{ + show_headings = false; + multiselect = false; + list_index = 0; + selcount = 0; + + selected_color = Color(255, 255, 128); + + sort_column = 0; + item_style = LIST_ITEM_STYLE_PLAIN; + seln_style = LIST_ITEM_STYLE_PLAIN; + + char buf[32]; + sprintf_s(buf, "ListBox %d", id); + desc = buf; +} + +ListBox::~ListBox() +{ + items.destroy(); + columns.destroy(); +} + +// +--------------------------------------------------------------------+ + +void +ListBox::DrawContent(const Rect& ctrl_rect) +{ + SizeColumns(); + + Rect item_rect = ctrl_rect; + item_rect.h = line_height; + + int h = rect.h; + + // draw headings at top, if needed: + if (show_headings) { + Color save_color = back_color; + back_color = ShadeColor(back_color, 1.3); + font->SetColor(fore_color); + + int max_column = columns.size()-1; + item_rect.h += HEADING_EXTRA; + + page_size = (h-item_rect.h) / (line_height + leading); + + for (int column = 0; column <= max_column; column++) { + item_rect.w = GetColumnWidth(column); + + // draw heading button + FillRect(item_rect, back_color); + DrawStyleRect(item_rect, WIN_RAISED_FRAME); + + Rect title_rect = item_rect; + title_rect.Deflate(3,3); + + DrawText(GetColumnTitle(column), + 0, + title_rect, + DT_CENTER|DT_SINGLELINE); + + item_rect.x += item_rect.w; + } + + item_rect.y += item_rect.h; + back_color = save_color; + item_rect.h = line_height; + } + + int index = 0; + ListIter iter = items; + + while (++iter && item_rect.y < h) { + ListBoxItem* item = iter.value(); + + if (index++ >= top_index) { + // draw main item: + int column = 0; + item_rect.x = ctrl_rect.x; + item_rect.w = GetColumnWidth(column) - 2; + + if (item_rect.y + item_rect.h > h) { + item_rect.h = h - item_rect.y - 1; + } + + Color item_color = GetItemColor(index-1, 0); + + if (item->selected) { + font->SetColor(selected_color); + + if (seln_style == LIST_ITEM_STYLE_FILLED_BOX) + FillRect(item_rect, selected_color * 0.25); + + if (seln_style >= LIST_ITEM_STYLE_BOX) + DrawRect(item_rect, selected_color); + } + else { + font->SetColor(item_color); + + if (item_style == LIST_ITEM_STYLE_FILLED_BOX) + FillRect(item_rect, item_color * 0.25); + + if (item_style >= LIST_ITEM_STYLE_BOX) + DrawRect(item_rect, item_color); + } + + Rect text_rect = item_rect; + + if (item->image && item->image->Width() > 0 && item->image->Height() > 0) { + DrawBitmap(text_rect.x, text_rect.y, text_rect.x + text_rect.w, text_rect.y + line_height, item->image); + } + else { + text_rect.Deflate(2,0); + DrawText(item->text.data(), + item->text.length(), + text_rect, + GetColumnAlign(column)|DT_SINGLELINE); + } + + // draw subitems: + ListIter sub_iter = item->subitems; + while (++sub_iter) { + ListBoxCell* sub = sub_iter.value(); + + column++; + item_rect.x += item_rect.w + 2; + item_rect.w = GetColumnWidth(column) - 2; + + if (item->selected) { + if (seln_style == LIST_ITEM_STYLE_FILLED_BOX) + FillRect(item_rect, selected_color * 0.25); + + if (seln_style >= LIST_ITEM_STYLE_BOX) + DrawRect(item_rect, selected_color); + } + else { + if (item_style == LIST_ITEM_STYLE_FILLED_BOX) + FillRect(item_rect, item_color * 0.25); + + if (item_style >= LIST_ITEM_STYLE_BOX) + DrawRect(item_rect, item_color); + } + + if (item->selected) + font->SetColor(selected_color); + else + font->SetColor(GetItemColor(index-1, column)); + + Rect text_rect = item_rect; + if (sub->image && sub->image->Width() > 0 && sub->image->Height() > 0) { + DrawBitmap(text_rect.x, text_rect.y, text_rect.x + text_rect.w, text_rect.y + line_height, sub->image); + } + else { + text_rect.Deflate(2,0); + DrawText(sub->text.data(), + sub->text.length(), + text_rect, + GetColumnAlign(column)|DT_SINGLELINE); + } + } + + item_rect.y += line_height + leading; + } + } +} + +// +--------------------------------------------------------------------+ + +void +ListBox::SizeColumns() +{ + ListBoxColumn* c = columns.first(); + + if (c->percent < 0.001) { + double total = 0; + + ListIter iter = columns; + while (++iter) { + c = iter.value(); + total += c->width; + } + + iter.reset(); + while (++iter) { + c = iter.value(); + c->percent = c->width / total; + } + } + + int usable_width = rect.w; + int used = 0; + + if (IsScrollVisible()) { + usable_width -= SCROLL_WIDTH + 2; + } + else { + usable_width -= 3; + } + + for (int i = 0; i < columns.size(); i++) { + c = columns[i]; + + if (i < columns.size() - 1) + c->width = (int) (c->percent * usable_width); + else + c->width = usable_width - used; + + used += c->width; + } +} + +// +--------------------------------------------------------------------+ + +int ListBox::NumItems() +{ + return items.size(); +} + +int ListBox::NumColumns() +{ + return columns.size(); +} + +Text ListBox::GetItemText(int index) +{ + if (index >= 0 && index < items.size()) + return items[index]->text; + + return Text(); +} + +void ListBox::SetItemText(int index, const char* text) +{ + if (index >= 0 && index < items.size()) { + items[index]->text = text; + } +} + +DWORD ListBox::GetItemData(int index) +{ + if (index >= 0 && index < items.size()) + return items[index]->data; + + return 0; +} + +void ListBox::SetItemData(int index, DWORD data) +{ + if (index >= 0 && index < items.size()) { + items[index]->data = data; + } +} + +Bitmap* ListBox::GetItemImage(int index) +{ + if (index >= 0 && index < items.size()) + return items[index]->image; + + return 0; +} + +void ListBox::SetItemImage(int index, Bitmap* img) +{ + if (index >= 0 && index < items.size()) { + items[index]->image = img; + } +} + +Color ListBox::GetItemColor(int index) +{ + if (index >= 0 && index < items.size()) + return items[index]->color; + + return Color::White; +} + +void ListBox::SetItemColor(int index, Color c) +{ + if (index >= 0 && index < items.size()) { + items[index]->color = c; + } +} + +Text ListBox::GetItemText(int index, int column) +{ + if (column == 0) { + return GetItemText(index); + } + + if (index >= 0 && index < items.size()) { + ListBoxItem* item = items[index]; + + column--; + if (column >= 0 && column < item->subitems.size()) + return item->subitems[column]->text; + } + + return Text(); +} + +void ListBox::SetItemText(int index, int column, const char* text) +{ + if (column == 0) { + SetItemText(index, text); + return; + } + + if (index >= 0 && index < items.size()) { + ListBoxItem* item = items[index]; + + column--; + if (column >= 0 && column < columns.size()-1) { + while (column >= item->subitems.size()) { + ListBoxCell* cell = new(__FILE__,__LINE__) ListBoxCell; + if (cell) + item->subitems.append(cell); + } + + item->subitems[column]->text = text; + } + } +} + +DWORD ListBox::GetItemData(int index, int column) +{ + if (column == 0) { + return GetItemData(index); + } + + if (index >= 0 && index < items.size()) { + ListBoxItem* item = items[index]; + + column--; + if (column >= 0 && column < item->subitems.size()) + return item->subitems[column]->data; + } + + return 0; +} + +void ListBox::SetItemData(int index, int column, DWORD data) +{ + if (column == 0) { + SetItemData(index, data); + return; + } + + if (index >= 0 && index < items.size()) { + ListBoxItem* item = items[index]; + + column--; + if (column >= 0 && column < columns.size()-1) { + while (column >= item->subitems.size()) { + ListBoxCell* cell = new(__FILE__,__LINE__) ListBoxCell; + if (cell) + item->subitems.append(cell); + } + + item->subitems[column]->data = data; + } + } +} + +Bitmap* ListBox::GetItemImage(int index, int column) +{ + if (column == 0) { + return GetItemImage(index); + } + + if (index >= 0 && index < items.size()) { + ListBoxItem* item = items[index]; + + column--; + if (column >= 0 && column < item->subitems.size()) + return item->subitems[column]->image; + } + + return 0; +} + +void ListBox::SetItemImage(int index, int column, Bitmap* img) +{ + if (column == 0) { + SetItemImage(index, img); + return; + } + + if (index >= 0 && index < items.size()) { + ListBoxItem* item = items[index]; + + column--; + if (column >= 0 && column < columns.size()-1) { + while (column >= item->subitems.size()) { + ListBoxCell* cell = new(__FILE__,__LINE__) ListBoxCell; + if (cell) + item->subitems.append(cell); + } + + item->subitems[column]->image = img; + } + } +} + +int ListBox::AddItem(const char* text) +{ + ListBoxItem* item = new(__FILE__,__LINE__) ListBoxItem; + + if (item) { + item->text = text; + item->color = fore_color; + item->listbox = this; + + items.append(item); + + line_count = items.size(); + list_index = items.size()-1; + } + + return list_index+1; +} + +int ListBox::AddItemWithData(const char* text, int data) +{ + ListBoxItem* item = new(__FILE__,__LINE__) ListBoxItem; + + if (item) { + item->text = text; + item->data = data; + item->color = fore_color; + item->listbox = this; + + items.append(item); + + line_count = items.size(); + list_index = items.size()-1; + } + + return list_index+1; +} + +int ListBox::AddImage(Bitmap* img) +{ + ListBoxItem* item = new(__FILE__,__LINE__) ListBoxItem; + + if (item) { + item->image = img; + item->color = fore_color; + item->listbox = this; + + items.append(item); + + line_count = items.size(); + list_index = items.size()-1; + } + + return list_index+1; +} + +void ListBox::InsertItem(int index, const char* text) +{ + if (index >=0 && index < items.size()) { + ListBoxItem* item = new(__FILE__,__LINE__) ListBoxItem; + + if (item) { + item->text = text; + item->color = fore_color; + item->listbox = this; + + list_index = index; + items.insert(item, list_index); + line_count = items.size(); + } + } +} + +void ListBox::InsertItemWithData(int index, const char* text, int data) +{ + if (index >=0 && index < items.size()) { + ListBoxItem* item = new(__FILE__,__LINE__) ListBoxItem; + + if (item) { + item->text = text; + item->data = data; + item->color = fore_color; + item->listbox = this; + + list_index = index; + items.insert(item, list_index); + line_count = items.size(); + } + } +} + +void ListBox::ClearItems() +{ + items.destroy(); + selcount = 0; + top_index = 0; + list_index = 0; + line_count = 0; +} + +void ListBox::RemoveItem(int index) +{ + if (index >= 0 && index < items.size()) { + if (items[index]->selected) + selcount--; + items.removeIndex(index); + line_count = items.size(); + } +} + +void ListBox::RemoveSelectedItems() +{ + if (selcount) { + ListIter item = items; + while (++item) { + if (item->selected) { + delete item.removeItem(); + } + } + + line_count = items.size(); + selcount = 0; + } +} + +void ListBox::AddColumn(const char* title, int width, int align, int sort) +{ + ListBoxColumn* column = new(__FILE__,__LINE__) ListBoxColumn; + + if (column) { + column->title = title; + column->width = width; + column->align = align; + column->sort = sort; + + columns.append(column); + } +} + +Text ListBox::GetColumnTitle(int index) +{ + if (index >= 0 && index < columns.size()) + return columns[index]->title; + + return Text(); +} + +void ListBox::SetColumnTitle(int index, const char* title) +{ + if (index >= 0 && index < columns.size()) { + columns[index]->title = title; + } +} + +int ListBox::GetColumnWidth(int index) +{ + if (index >= 0 && index < columns.size()) + return columns[index]->width; + + return 0; +} + +void ListBox::SetColumnWidth(int index, int width) +{ + if (index >= 0 && index < columns.size()) { + columns[index]->width = width; + } +} + +int ListBox::GetColumnAlign(int index) +{ + if (index >= 0 && index < columns.size()) + return columns[index]->align; + + return 0; +} + +void ListBox::SetColumnAlign(int index, int align) +{ + if (index >= 0 && index < columns.size()) { + columns[index]->align = align; + } +} + +int ListBox::GetColumnSort(int index) +{ + if (index >= 0 && index < columns.size()) + return columns[index]->sort; + + return 0; +} + +void ListBox::SetColumnSort(int index, int sort) +{ + if (index >= 0 && index < columns.size()) { + columns[index]->sort = sort; + } +} + +Color ListBox::GetColumnColor(int index) +{ + if (index >= 0 && index < columns.size()) + return columns[index]->color; + + return Color::White; +} + +void ListBox::SetColumnColor(int index, Color c) +{ + if (index >= 0 && index < columns.size()) { + columns[index]->color = c; + columns[index]->use_color = true; + } +} + +Color ListBox::GetItemColor(int index, int column) +{ + Color c = Color::White; + + if (index >= 0 && index < items.size()) + c = items[index]->color; + + if (column >= 0 && column < columns.size()) { + if (columns[column]->use_color) + c = columns[column]->color; + } + + return c; +} + +int ListBox::GetMultiSelect() +{ + return multiselect; +} + +void ListBox::SetMultiSelect(int nNewValue) +{ + if (multiselect != nNewValue && (nNewValue == 0 || nNewValue == 1)) { + multiselect = nNewValue; + ClearSelection(); + } +} + +bool ListBox::GetShowHeadings() +{ + return show_headings; +} + +void ListBox::SetShowHeadings(bool nNewValue) +{ + if (show_headings != nNewValue) { + show_headings = nNewValue; + } +} + +Color ListBox::GetSelectedColor() +{ + return selected_color; +} + +void ListBox::SetSelectedColor(Color c) +{ + if (selected_color != c) { + selected_color = c; + } +} + +int ListBox::GetItemStyle() const +{ + return item_style; +} + +void ListBox::SetItemStyle(int style) +{ + if (style >= LIST_ITEM_STYLE_PLAIN && style <= LIST_ITEM_STYLE_FILLED_BOX) { + item_style = style; + } +} + +int ListBox::GetSelectedStyle() const +{ + return seln_style; +} + +void ListBox::SetSelectedStyle(int style) +{ + if (style >= LIST_ITEM_STYLE_PLAIN && style <= LIST_ITEM_STYLE_FILLED_BOX) { + seln_style = style; + } +} + +bool ListBox::IsSelected(int index) +{ + if (index >= 0 && index < items.size()) + return items[index]->selected; + + return false; +} + +void ListBox::SetSelected(int index, bool bNewValue) +{ + if (index >= 0 && index < items.size()) { + if (!multiselect) + ClearSelection(); + + if (items[index]->selected != bNewValue) { + items[index]->selected = bNewValue; + + if (bNewValue) { + list_index = index; + selcount++; + } + else { + selcount--; + } + } + } +} + +void ListBox::ClearSelection() +{ + ListIter item = items; + while (++item) + item->selected = false; + + selcount = 0; +} + +int ListBox::GetListIndex() +{ + return list_index; +} + +int ListBox::GetLineCount() +{ + line_count = items.size(); + return line_count; +} + +int ListBox::GetSelCount() +{ + return selcount; +} + +int ListBox::GetSelection() +{ + for (int i = 0; i < items.size(); i++) + if (items[i]->selected) + return i; + + return -1; +} + +Text ListBox::GetSelectedItem() +{ + int n = GetSelection(); + return GetItemText(n); +} + +// +--------------------------------------------------------------------+ + +int ListBox::GetSortColumn() +{ + return sort_column; +} + +void ListBox::SetSortColumn(int col_index) +{ + if (col_index >= 0 && col_index <= columns.size()) + sort_column = col_index; +} + +int ListBox::GetSortCriteria() +{ + return GetColumnSort(sort_column); +} + +void ListBox::SetSortCriteria(SORT sort) +{ + SetColumnSort(sort_column, sort); +} + +// +--------------------------------------------------------------------+ + +void ListBox::SortItems() +{ + if (sort_column >=0 && sort_column <= columns.size()) + items.sort(); +} + +// +--------------------------------------------------------------------+ + +int ListBox::IndexFromPoint(int x, int y) const +{ + int sel_index = -1; + + if (show_headings) + sel_index = top_index + (y - (line_height+HEADING_EXTRA)) / (line_height + leading); + + else + sel_index = top_index + y / (line_height + leading); + + return sel_index; +} + +// +--------------------------------------------------------------------+ + +int ListBox::OnMouseMove(int x, int y) +{ + bool dirty = false; + + if (captured) { + ActiveWindow* test = GetCapture(); + + if (test != this) { + captured = false; + dirty = true; + } + + else { + if (selecting && !dragging) { + if (dragdrop && (x < rect.x || + x > rect.x+rect.w || + y < rect.y || + y > rect.y+rect.h)) { + + dragging = true; + OnDragStart(x,y); + } + } + + if (scrolling == SCROLL_THUMB) { + mouse_y = y - rect.y - TRACK_START; + + int dest = (int) ((double) mouse_y/track_length * (items.size()-1)); + ScrollTo(dest); + dirty = true; + } + } + } + + return ActiveWindow::OnMouseMove(x,y); +} + +// +--------------------------------------------------------------------+ + +static bool preselected = false; + +int ListBox::OnLButtonDown(int x, int y) +{ + if (!captured) + captured = SetCapture(); + + mouse_x = x - rect.x; + mouse_y = y - rect.y; + + int x_scroll_bar = rect.w; + + if (IsScrollVisible()) + x_scroll_bar -= SCROLL_WIDTH; + + if (mouse_x < x_scroll_bar) { + scrolling = SCROLL_NONE; + + if (show_headings && mouse_y < line_height+BORDER_WIDTH+EXTRA_WIDTH) { + int next_col_start = 0; + int max_column = columns.size()-1; + int column; + + for (column = 0; column < max_column; column++) { + next_col_start += GetColumnWidth(column); + + if (mouse_x < next_col_start) + break; + } + + sort_column = column; + + int& sort_criteria = columns[sort_column]->sort; + + if (sort_criteria != LIST_SORT_NEVER) { + if (!sort_criteria) + sort_criteria = LIST_SORT_ALPHA_DESCENDING; + else + sort_criteria = -sort_criteria; + + SortItems(); + } + } + + else { + selecting = true; + } + } + + else { + selecting = false; + + if (mouse_y < TRACK_START) { + scrolling = SCROLL_UP; + Scroll(scrolling, 1); + Button::PlaySound(Button::SND_LIST_SCROLL); + } + + else if (mouse_y > rect.h-TRACK_START) { + scrolling = SCROLL_DOWN; + if (top_index < items.size()-1) + top_index++; + Button::PlaySound(Button::SND_LIST_SCROLL); + } + + else if (mouse_y < thumb_pos) { + scrolling = SCROLL_PAGE_UP; + Scroll(scrolling, page_size); + Button::PlaySound(Button::SND_LIST_SCROLL); + } + + else if (mouse_y > thumb_pos+THUMB_HEIGHT) { + scrolling = SCROLL_PAGE_DOWN; + Scroll(scrolling, page_size); + Button::PlaySound(Button::SND_LIST_SCROLL); + } + + else { + scrolling = SCROLL_THUMB; + } + } + + if (selecting) { + list_index = IndexFromPoint(mouse_x, mouse_y); + preselected = IsSelected(list_index); + if (!multiselect || !Keyboard::KeyDown(VK_SHIFT)) + ClearSelection(); + SetSelected(list_index); + EnsureVisible(list_index); + Button::PlaySound(Button::SND_LIST_SELECT); + } + + return ActiveWindow::OnLButtonDown(x,y); +} + +// +--------------------------------------------------------------------+ + +int ListBox::OnLButtonUp(int x, int y) +{ + if (captured) { + mouse_x = x-rect.x; + mouse_y = y-rect.y; + + if (dragging) { + if (mouse_x < 0 || mouse_x > rect.w || mouse_y < 0 || mouse_y > rect.h) { + FormWindow* parent_form = (FormWindow*) form; + + if (parent_form) { + ActiveWindow* drop_target = parent_form->FindControl(x,y); + + if (drop_target && drop_target->IsEnabled() && drop_target->IsShown()) + drop_target->OnDragDrop(x,y,this); + } + } + } + else if (preselected) { + if (multiselect && Keyboard::KeyDown(VK_SHIFT)) { + SetSelected(list_index, false); + Button::PlaySound(Button::SND_LIST_SELECT); + } + } + + ReleaseCapture(); + captured = false; + + Mouse::SetCursor((Mouse::CURSOR) old_cursor); + } + + dragging = false; + selecting = false; + + return ActiveWindow::OnLButtonUp(x,y); +} + +// +--------------------------------------------------------------------+ + +int ListBox::OnMouseWheel(int wheel) +{ + return ScrollWindow::OnMouseWheel(wheel); +} + +// +--------------------------------------------------------------------+ + +int ListBox::OnClick() +{ + int fire_select = !scrolling; + + if (scrolling == SCROLL_THUMB) + scrolling = SCROLL_NONE; + + if (fire_select) + return ActiveWindow::OnSelect(); + else + return ActiveWindow::OnClick(); + + return 0; +} + +// +--------------------------------------------------------------------+ + +int ListBox::OnKeyDown(int vk, int flags) +{ + if (selcount == 1 && list_index >= 0 && list_index < items.size()) { + ListBoxItem* item = items[list_index]; + + if (vk == VK_DOWN) { + if (list_index < items.size() - 1) { + item->selected = false; + list_index++; + item = items[list_index]; + item->selected = true; + OnClick(); + return ActiveWindow::OnKeyDown(vk, flags); + } + } + + else if (vk == VK_UP) { + if (list_index > 0) { + item->selected = false; + list_index--; + item = items[list_index]; + item->selected = true; + OnClick(); + return ActiveWindow::OnKeyDown(vk, flags); + } + } + } + + return ScrollWindow::OnKeyDown(vk, flags); +} + +// +--------------------------------------------------------------------+ + +int ListBox::OnDragStart(int x, int y) +{ + old_cursor = Mouse::SetCursor(Mouse::DRAG); + return ActiveWindow::OnDragStart(x,y); +} + +// +--------------------------------------------------------------------+ + +int ListBox::OnDragDrop(int x, int y, ActiveWindow* source) +{ + if (!dragdrop) return 0; + + ListBox* drag_source = (ListBox*) source; + + if (drag_source) { + int max_col = NumColumns(); + + if (max_col != drag_source->NumColumns()) + max_col = 0; + + for (int i = 0; i < drag_source->NumItems(); i++) { + if (drag_source->IsSelected(i)) { + AddItemWithData(drag_source->GetItemText(i), + drag_source->GetItemData(i)); + + for (int c = 1; c < max_col; c++) { + SetItemText(list_index, c, drag_source->GetItemText(i,c)); + SetItemData(list_index, c, drag_source->GetItemData(i,c)); + } + + if (!multiselect) + ClearSelection(); + + items[list_index]->selected = true; + selcount++; + } + } + + drag_source->RemoveSelectedItems(); + Button::PlaySound(Button::SND_LIST_DROP); + } + + return ActiveWindow::OnDragDrop(x,y,source); +} -- cgit v1.1