4 * Author: Alessandro Scotti (Dec 2005)
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6 * Copyright 2005 Alessandro Scotti
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8 * ------------------------------------------------------------------------
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10 * GNU XBoard is free software: you can redistribute it and/or modify
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11 * it under the terms of the GNU General Public License as published by
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12 * the Free Software Foundation, either version 3 of the License, or (at
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13 * your option) any later version.
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15 * GNU XBoard is distributed in the hope that it will be useful, but
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16 * WITHOUT ANY WARRANTY; without even the implied warranty of
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 * General Public License for more details.
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20 * You should have received a copy of the GNU General Public License
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21 * along with this program. If not, see http://www.gnu.org/licenses/. *
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23 *------------------------------------------------------------------------
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24 ** See the file ChangeLog for a revision history. */
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28 #include <windows.h> /* required for all Windows applications */
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32 #include <commdlg.h>
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36 #include "frontend.h"
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37 #include "winboard.h"
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39 VOID RestoreWindowPlacement( HWND hWnd, WindowPlacement * wp )
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41 if( wp->x != CW_USEDEFAULT ||
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42 wp->y != CW_USEDEFAULT ||
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43 wp->width != CW_USEDEFAULT ||
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44 wp->height != CW_USEDEFAULT )
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46 WINDOWPLACEMENT stWP;
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48 ZeroMemory( &stWP, sizeof(stWP) );
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50 EnsureOnScreen( &wp->x, &wp->y, 0, 0);
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52 stWP.length = sizeof(stWP);
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54 stWP.showCmd = SW_SHOW;
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55 stWP.ptMaxPosition.x = 0;
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56 stWP.ptMaxPosition.y = 0;
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57 stWP.rcNormalPosition.left = wp->x;
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58 stWP.rcNormalPosition.right = wp->x + wp->width;
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59 stWP.rcNormalPosition.top = wp->y;
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60 stWP.rcNormalPosition.bottom = wp->y + wp->height;
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62 SetWindowPlacement(hWnd, &stWP);
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66 VOID InitWindowPlacement( WindowPlacement * wp )
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69 wp->x = CW_USEDEFAULT;
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70 wp->y = CW_USEDEFAULT;
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71 wp->width = CW_USEDEFAULT;
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72 wp->height = CW_USEDEFAULT;
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75 static BOOL IsAttachDistance( int a, int b )
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77 BOOL result = FALSE;
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86 static BOOL IsDefaultPlacement( WindowPlacement * wp )
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88 BOOL result = FALSE;
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90 if( wp->x == CW_USEDEFAULT || wp->y == CW_USEDEFAULT || wp->width == CW_USEDEFAULT || wp->height == CW_USEDEFAULT ) {
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97 BOOL GetActualPlacement( HWND hWnd, WindowPlacement * wp )
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99 BOOL result = FALSE;
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101 if( hWnd != NULL ) {
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102 WINDOWPLACEMENT stWP;
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104 ZeroMemory( &stWP, sizeof(stWP) );
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106 stWP.length = sizeof(stWP);
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108 GetWindowPlacement( hWnd, &stWP );
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110 wp->x = stWP.rcNormalPosition.left;
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111 wp->y = stWP.rcNormalPosition.top;
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112 wp->width = stWP.rcNormalPosition.right - stWP.rcNormalPosition.left;
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113 wp->height = stWP.rcNormalPosition.bottom - stWP.rcNormalPosition.top;
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121 static BOOL IsAttachedByWindowPlacement( LPRECT lprcMain, WindowPlacement * wp )
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123 BOOL result = FALSE;
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125 if( ! IsDefaultPlacement(wp) ) {
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126 if( IsAttachDistance( lprcMain->right, wp->x ) ||
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127 IsAttachDistance( lprcMain->bottom, wp->y ) ||
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128 IsAttachDistance( lprcMain->left, (wp->x + wp->width) ) ||
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129 IsAttachDistance( lprcMain->top, (wp->y + wp->height) ) )
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138 VOID ReattachAfterMove( LPRECT lprcOldPos, int new_x, int new_y, HWND hWndChild, WindowPlacement * pwpChild )
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140 if( ! IsDefaultPlacement( pwpChild ) ) {
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141 GetActualPlacement( hWndChild, pwpChild );
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143 if( IsAttachedByWindowPlacement( lprcOldPos, pwpChild ) ) {
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144 /* Get position delta */
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145 int delta_x = pwpChild->x - lprcOldPos->left;
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146 int delta_y = pwpChild->y - lprcOldPos->top;
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148 /* Adjust placement */
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149 pwpChild->x = new_x + delta_x;
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150 pwpChild->y = new_y + delta_y;
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153 if( hWndChild != NULL ) {
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154 SetWindowPos( hWndChild, HWND_TOP,
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155 pwpChild->x, pwpChild->y,
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157 SWP_NOZORDER | SWP_NOSIZE );
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163 extern FILE *debugFP;
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164 VOID ReattachAfterSize( LPRECT lprcOldPos, int new_w, int new_h, HWND hWndChild, WindowPlacement * pwpChild )
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166 if( ! IsDefaultPlacement( pwpChild ) ) {
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167 GetActualPlacement( hWndChild, pwpChild );
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169 if( IsAttachedByWindowPlacement( lprcOldPos, pwpChild ) ) {
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170 /* Get delta of lower right corner */
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171 int delta_x = new_w - (lprcOldPos->right - lprcOldPos->left);
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172 int delta_y = new_h - (lprcOldPos->bottom - lprcOldPos->top);
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174 /* Adjust size & placement */
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175 if(pwpChild->x + pwpChild->width >= lprcOldPos->right &&
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176 (pwpChild->x + pwpChild->width < screenWidth - 5 || delta_x > 0) ) // keep right edge glued to display edge if touching
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177 pwpChild->width += delta_x;
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178 if(pwpChild->x + pwpChild->width >= screenWidth ) // don't move right edge off screen
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179 pwpChild->width = screenWidth - pwpChild->x;
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180 if(pwpChild->y + pwpChild->height >= lprcOldPos->bottom &&
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181 (pwpChild->y + pwpChild->height < screenHeight - 35 || delta_y > 0) ) // keep bottom edge glued to display edge if touching
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182 pwpChild->height += delta_y;
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183 if(pwpChild->y + pwpChild->height >= screenHeight - 30 ) // don't move bottom edge off screen
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184 pwpChild->height = screenHeight - 30 - pwpChild->y;
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185 if(pwpChild->x >= lprcOldPos->right) pwpChild->width -= delta_x, pwpChild->x += delta_x;
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186 if(pwpChild->y >= lprcOldPos->bottom) pwpChild->height -= delta_y, pwpChild->y += delta_y;
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187 if(pwpChild->width < 30) pwpChild->width = 30; // force minimum width
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188 if(pwpChild->height < 50) pwpChild->height = 50; // force minimum height
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190 if( hWndChild != NULL ) {
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191 SetWindowPos( hWndChild, HWND_TOP,
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192 pwpChild->x, pwpChild->y,
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193 pwpChild->width, pwpChild->height,
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