mirror of https://github.com/OpenTTD/OpenTTD.git
(svn r16837) -Codechange: Collect largest used index while constructing nested widget tree.
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@ -86,7 +86,13 @@ struct GraphLegendWindow : Window {
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}
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};
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static NWidgetBase *MakeNWidgetCompanyLines()
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/**
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* Construct a vertical list of buttons, one for each company.
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* @param biggest_index Storage for collecting the biggest index used in the returned tree.
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* @return Panel with company buttons.
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* @postcond \c *biggest_index contains the largest used index in the tree.
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*/
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static NWidgetBase *MakeNWidgetCompanyLines(int *biggest_index)
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{
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NWidgetVertical *vert = new NWidgetVertical();
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@ -97,6 +103,7 @@ static NWidgetBase *MakeNWidgetCompanyLines()
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panel->SetDataTip(0x0, STR_GRAPH_KEY_COMPANY_SELECTION);
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vert->Add(panel);
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}
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*biggest_index = GLW_LAST_COMPANY;
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return vert;
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}
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@ -1195,8 +1202,12 @@ struct PerformanceRatingDetailWindow : Window {
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CompanyID PerformanceRatingDetailWindow::company = INVALID_COMPANY;
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/** Make a vertical list of panels for outputting score details. */
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static NWidgetBase *MakePerformanceDetailPanels()
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/** Make a vertical list of panels for outputting score details.
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* @param biggest_index Storage for collecting the biggest index used in the returned tree.
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* @return Panel with performance details.
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* @postcond \c *biggest_index contains the largest used index in the tree.
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*/
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static NWidgetBase *MakePerformanceDetailPanels(int *biggest_index)
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{
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const StringID performance_tips[] = {
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STR_PERFORMANCE_DETAIL_VEHICLES_TIP,
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@ -1221,11 +1232,17 @@ static NWidgetBase *MakePerformanceDetailPanels()
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panel->SetDataTip(0x0, performance_tips[widnum - PRW_SCORE_FIRST]);
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vert->Add(panel);
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}
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*biggest_index = PRW_SCORE_LAST;
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return vert;
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}
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/** Make a number of rows with button-like graphics, for enabling/disabling each company. */
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static NWidgetBase *MakeCompanyButtonRows()
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/**
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* Make a number of rows with button-like graphics, for enabling/disabling each company.
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* @param biggest_index Storage for collecting the biggest index used in the returned tree.
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* @return Panel with rows of company buttons.
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* @postcond \c *biggest_index contains the largest used index in the tree.
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*/
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static NWidgetBase *MakeCompanyButtonRows(int *biggest_index)
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{
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static const int MAX_LENGTH = 8; // Maximal number of company buttons in one row.
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NWidgetVertical *vert = NULL; // Storage for all rows.
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@ -1252,6 +1269,7 @@ static NWidgetBase *MakeCompanyButtonRows()
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hor->Add(panel);
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hor_length++;
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}
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*biggest_index = PRW_COMPANY_LAST;
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if (vert == NULL) return hor; // All buttons fit in a single row.
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if (hor_length > 0 && hor_length < MAX_LENGTH) {
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@ -1081,7 +1081,13 @@ NEWS_SETTINGS_LINE(28, NT_GENERAL),
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{ WIDGETS_END},
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};
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static NWidgetBase *MakeNewsSettingLines()
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/**
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* Make nested widget tree for the news settings.
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* @param biggest_index Storage for collecting the biggest index used in the returned tree.
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* @return Panel with rows of news settings.
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* @postcond \c *biggest_index contains the largest used index in the tree.
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*/
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static NWidgetBase *MakeNewsSettingLines(int *biggest_index)
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{
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const int NEWS_SETTING_HEIGHT = 12; // Height of one line.
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NWidgetVertical *vert = new NWidgetVertical;
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@ -1110,6 +1116,7 @@ static NWidgetBase *MakeNewsSettingLines()
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vert->Add(hor);
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}
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*biggest_index = widnum - 1;
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return vert;
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}
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@ -3,6 +3,7 @@
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/** @file osk_gui.cpp The On Screen Keyboard GUI */
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#include "stdafx.h"
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#include "core/math_func.hpp"
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#include "string_func.h"
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#include "strings_func.h"
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#include "debug.h"
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@ -336,9 +337,10 @@ static const int INTER_KEY_SPACE = 2; // Number of pixels between two keys.
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* @param widtype Widget type of the key. Must be either \c NWID_SPACER for an invisible key, or a \c WWT_* widget.
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* @param widnum Widget number of the key.
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* @param widdata Data value of the key widget.
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* @param biggest_index Collected biggest widget index so far.
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* @note Key width is measured in 1/2 keys to allow for 1/2 key shifting between rows.
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*/
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static void AddKey(NWidgetHorizontal *hor, int height, int num_half, WidgetType widtype, int widnum, uint16 widdata)
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static void AddKey(NWidgetHorizontal *hor, int height, int num_half, WidgetType widtype, int widnum, uint16 widdata, int *biggest_index)
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{
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int key_width = HALF_KEY_WIDTH + (INTER_KEY_SPACE + HALF_KEY_WIDTH) * (num_half - 1);
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@ -355,84 +357,86 @@ static void AddKey(NWidgetHorizontal *hor, int height, int num_half, WidgetType
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leaf->SetMinimalSize(key_width, height);
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hor->Add(leaf);
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}
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*biggest_index = max(*biggest_index, widnum);
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}
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/** Construct the top row keys (cancel, ok, backspace). */
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static NWidgetBase *MakeTopKeys()
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static NWidgetBase *MakeTopKeys(int *biggest_index)
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{
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NWidgetHorizontal *hor = new NWidgetHorizontal;
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int key_height = 12;
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AddKey(hor, key_height, 6 * 2, WWT_TEXTBTN, OSK_WIDGET_CANCEL, STR_QUERY_CANCEL);
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AddKey(hor, key_height, 6 * 2, WWT_TEXTBTN, OSK_WIDGET_OK, STR_QUERY_OK);
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AddKey(hor, key_height, 2 * 2, WWT_PUSHIMGBTN, OSK_WIDGET_BACKSPACE, SPR_OSK_BACKSPACE);
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AddKey(hor, key_height, 6 * 2, WWT_TEXTBTN, OSK_WIDGET_CANCEL, STR_QUERY_CANCEL, biggest_index);
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AddKey(hor, key_height, 6 * 2, WWT_TEXTBTN, OSK_WIDGET_OK, STR_QUERY_OK, biggest_index);
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AddKey(hor, key_height, 2 * 2, WWT_PUSHIMGBTN, OSK_WIDGET_BACKSPACE, SPR_OSK_BACKSPACE, biggest_index);
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return hor;
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}
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/** Construct the row containing the digit keys. */
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static NWidgetBase *MakeNumberKeys()
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static NWidgetBase *MakeNumberKeys(int *biggest_index)
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{
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NWidgetHorizontal *hor = new NWidgetHorizontal;
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int key_height = 16;
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for (int widnum = OSK_WIDGET_NUMBERS_FIRST; widnum <= OSK_WIDGET_NUMBERS_LAST; widnum++) {
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AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0);
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AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0, biggest_index);
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}
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return hor;
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}
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/** Construct the qwerty row keys. */
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static NWidgetBase *MakeQwertyKeys()
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static NWidgetBase *MakeQwertyKeys(int *biggest_index)
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{
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NWidgetHorizontal *hor = new NWidgetHorizontal;
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int key_height = 16;
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AddKey(hor, key_height, 3, WWT_PUSHIMGBTN, OSK_WIDGET_SPECIAL, SPR_OSK_SPECIAL);
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AddKey(hor, key_height, 3, WWT_PUSHIMGBTN, OSK_WIDGET_SPECIAL, SPR_OSK_SPECIAL, biggest_index);
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for (int widnum = OSK_WIDGET_QWERTY_FIRST; widnum <= OSK_WIDGET_QWERTY_LAST; widnum++) {
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AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0);
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AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0, biggest_index);
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}
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AddKey(hor, key_height, 1, NWID_SPACER, 0, 0);
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AddKey(hor, key_height, 1, NWID_SPACER, 0, 0, biggest_index);
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return hor;
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}
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/** Construct the asdfg row keys. */
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static NWidgetBase *MakeAsdfgKeys()
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static NWidgetBase *MakeAsdfgKeys(int *biggest_index)
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{
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NWidgetHorizontal *hor = new NWidgetHorizontal;
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int key_height = 16;
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AddKey(hor, key_height, 4, WWT_IMGBTN, OSK_WIDGET_CAPS, SPR_OSK_CAPS);
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AddKey(hor, key_height, 4, WWT_IMGBTN, OSK_WIDGET_CAPS, SPR_OSK_CAPS, biggest_index);
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for (int widnum = OSK_WIDGET_ASDFG_FIRST; widnum <= OSK_WIDGET_ASDFG_LAST; widnum++) {
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AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0);
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AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0, biggest_index);
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}
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return hor;
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}
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/** Construct the zxcvb row keys. */
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static NWidgetBase *MakeZxcvbKeys()
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static NWidgetBase *MakeZxcvbKeys(int *biggest_index)
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{
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NWidgetHorizontal *hor = new NWidgetHorizontal;
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int key_height = 16;
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AddKey(hor, key_height, 3, WWT_IMGBTN, OSK_WIDGET_SHIFT, SPR_OSK_SHIFT);
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AddKey(hor, key_height, 3, WWT_IMGBTN, OSK_WIDGET_SHIFT, SPR_OSK_SHIFT, biggest_index);
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for (int widnum = OSK_WIDGET_ZXCVB_FIRST; widnum <= OSK_WIDGET_ZXCVB_LAST; widnum++) {
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AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0);
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AddKey(hor, key_height, 2, WWT_PUSHBTN, widnum, 0x0, biggest_index);
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}
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AddKey(hor, key_height, 1, NWID_SPACER, 0, 0);
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AddKey(hor, key_height, 1, NWID_SPACER, 0, 0, biggest_index);
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return hor;
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}
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/** Construct the spacebar row keys. */
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static NWidgetBase *MakeSpacebarKeys()
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static NWidgetBase *MakeSpacebarKeys(int *biggest_index)
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{
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NWidgetHorizontal *hor = new NWidgetHorizontal;
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int key_height = 16;
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AddKey(hor, key_height, 8, NWID_SPACER, 0, 0);
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AddKey(hor, key_height, 13, WWT_PUSHTXTBTN, OSK_WIDGET_SPACE, STR_EMPTY);
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AddKey(hor, key_height, 3, NWID_SPACER, 0, 0);
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AddKey(hor, key_height, 2, WWT_PUSHIMGBTN, OSK_WIDGET_LEFT, SPR_OSK_LEFT);
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AddKey(hor, key_height, 2, WWT_PUSHIMGBTN, OSK_WIDGET_RIGHT, SPR_OSK_RIGHT);
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AddKey(hor, key_height, 8, NWID_SPACER, 0, 0, biggest_index);
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AddKey(hor, key_height, 13, WWT_PUSHTXTBTN, OSK_WIDGET_SPACE, STR_EMPTY, biggest_index);
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AddKey(hor, key_height, 3, NWID_SPACER, 0, 0, biggest_index);
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AddKey(hor, key_height, 2, WWT_PUSHIMGBTN, OSK_WIDGET_LEFT, SPR_OSK_LEFT, biggest_index);
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AddKey(hor, key_height, 2, WWT_PUSHIMGBTN, OSK_WIDGET_RIGHT, SPR_OSK_RIGHT, biggest_index);
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return hor;
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}
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@ -2255,9 +2255,11 @@ bool CompareWidgetArrays(const Widget *orig, const Widget *gen, bool report)
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* @param count Length of the \a parts array.
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* @param dest Address of pointer to use for returning the composed widget.
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* @param fill_dest Fill the composed widget with child widgets.
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* @param biggest_index Pointer to biggest nested widget index in the tree encountered so far.
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* @return Number of widget part elements used to compose the widget.
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* @precond \c biggest_index != NULL.
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*/
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static int MakeNWidget(const NWidgetPart *parts, int count, NWidgetBase **dest, bool *fill_dest)
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static int MakeNWidget(const NWidgetPart *parts, int count, NWidgetBase **dest, bool *fill_dest, int *biggest_index)
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{
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int num_used = 0;
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@ -2288,6 +2290,7 @@ static int MakeNWidget(const NWidgetPart *parts, int count, NWidgetBase **dest,
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case WWT_FRAME:
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if (*dest != NULL) return num_used;
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*dest = new NWidgetBackground(parts->type, parts->u.widget.colour, parts->u.widget.index);
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*biggest_index = max(*biggest_index, (int)parts->u.widget.index);
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*fill_dest = true;
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break;
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@ -2297,11 +2300,15 @@ static int MakeNWidget(const NWidgetPart *parts, int count, NWidgetBase **dest,
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*fill_dest = true;
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break;
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case WPT_FUNCTION:
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case WPT_FUNCTION: {
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if (*dest != NULL) return num_used;
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*dest = parts->u.func_ptr();
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/* Ensure proper functioning even when the called code simply writes its largest index. */
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int biggest = -1;
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*dest = parts->u.func_ptr(&biggest);
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*biggest_index = max(*biggest_index, biggest);
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*fill_dest = false;
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break;
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}
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case NWID_SELECTION:
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case NWID_LAYERED:
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@ -2391,6 +2398,7 @@ static int MakeNWidget(const NWidgetPart *parts, int count, NWidgetBase **dest,
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if (*dest != NULL) return num_used;
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assert((parts->type & WWT_MASK) < NWID_HORIZONTAL);
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*dest = new NWidgetLeaf(parts->type, parts->u.widget.colour, parts->u.widget.index, 0x0, STR_NULL);
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*biggest_index = max(*biggest_index, (int)parts->u.widget.index);
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break;
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}
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num_used++;
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@ -2405,9 +2413,11 @@ static int MakeNWidget(const NWidgetPart *parts, int count, NWidgetBase **dest,
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* @param parts Array with parts of the nested widgets.
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* @param count Length of the \a parts array.
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* @param parent Container to use for storing the child widgets.
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* @param biggest_index Pointer to biggest nested widget index in the tree.
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* @return Number of widget part elements used to fill the container.
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* @postcond \c *biggest_index contains the largest widget index of the tree and \c -1 if no index is used.
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*/
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static int MakeWidgetTree(const NWidgetPart *parts, int count, NWidgetBase *parent)
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static int MakeWidgetTree(const NWidgetPart *parts, int count, NWidgetBase *parent, int *biggest_index)
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{
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/* Given parent must be either a #NWidgetContainer or a #NWidgetBackground object. */
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NWidgetContainer *nwid_cont = dynamic_cast<NWidgetContainer *>(parent);
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@ -2418,7 +2428,7 @@ static int MakeWidgetTree(const NWidgetPart *parts, int count, NWidgetBase *pare
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while (true) {
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NWidgetBase *sub_widget = NULL;
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bool fill_sub = false;
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int num_used = MakeNWidget(parts, count - total_used, &sub_widget, &fill_sub);
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int num_used = MakeNWidget(parts, count - total_used, &sub_widget, &fill_sub, biggest_index);
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parts += num_used;
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total_used += num_used;
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WidgetType tp = sub_widget->type;
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if (fill_sub && (tp == NWID_HORIZONTAL || tp == NWID_HORIZONTAL_LTR || tp == NWID_VERTICAL
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|| tp == WWT_PANEL || tp == WWT_FRAME || tp == WWT_INSET || tp == NWID_SELECTION || tp == NWID_LAYERED)) {
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int num_used = MakeWidgetTree(parts, count - total_used, sub_widget);
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int num_used = MakeWidgetTree(parts, count - total_used, sub_widget, biggest_index);
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parts += num_used;
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total_used += num_used;
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}
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@ -2455,8 +2465,9 @@ static int MakeWidgetTree(const NWidgetPart *parts, int count, NWidgetBase *pare
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*/
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NWidgetContainer *MakeNWidgets(const NWidgetPart *parts, int count)
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{
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int biggest_index = -1;
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NWidgetContainer *cont = new NWidgetVertical();
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MakeWidgetTree(parts, count, cont);
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MakeWidgetTree(parts, count, cont, &biggest_index);
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return cont;
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}
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@ -561,8 +561,12 @@ struct NWidgetPartPIP {
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uint8 pre, inter, post; ///< Amount of space before/between/after child widgets.
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};
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/** Pointer to function returning a nested widget. */
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typedef NWidgetBase *NWidgetFunctionType();
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/** Pointer to function returning a nested widget.
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* @param biggest_index Pointer to storage for collecting the biggest index used in the nested widget.
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* @return Nested widget (tree).
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* @postcond \c *biggest_index must contain the value of the biggest index in the returned tree.
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*/
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typedef NWidgetBase *NWidgetFunctionType(int *biggest_index);
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/** Partial widget specification to allow NWidgets to be written nested.
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* @ingroup NestedWidgetParts */
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