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439 | daniel-mar | 1 | /* |
2 | This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop |
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3 | Copyright (C) 2003-2009 Toby Thain, toby@telegraphics.com.au |
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4 | Copyright (C) 2018-2021 Daniel Marschall, ViaThinkSoft |
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5 | |||
6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2 of the License, or |
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9 | (at your option) any later version. |
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10 | |||
11 | This program is distributed in the hope that it will be useful, |
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | GNU General Public License for more details. |
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15 | |||
16 | You should have received a copy of the GNU General Public License |
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17 | along with this program; if not, write to the Free Software |
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18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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19 | */ |
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20 | |||
21 | #include "ff.h" |
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443 | daniel-mar | 22 | #include "slider_win.h" |
439 | daniel-mar | 23 | |
24 | // PLUGIN.DLL Sliders: This method will register the "slider" class used in dialogs. |
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25 | typedef int(__cdecl* f_RegisterSlider)(HINSTANCE hInstanceDll, DWORD* MessageID); |
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26 | int RegisterSlider(HINSTANCE hInstanceDll, DWORD* MessageID) { |
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27 | f_RegisterSlider fRegisterSlider; |
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28 | |||
29 | if (!gdata->pluginDllModule) return 0; |
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30 | fRegisterSlider = (f_RegisterSlider)(void*)GetProcAddress(gdata->pluginDllModule, "RegisterSlider"); |
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31 | if (fRegisterSlider != 0) { |
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32 | return fRegisterSlider(hInstanceDll, MessageID); |
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33 | } |
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34 | else { |
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35 | return 0; |
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36 | } |
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37 | } |
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38 | |||
39 | // PLUGIN.DLL Sliders: This method will unregister the "slider" class used in dialogs. |
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40 | typedef int(__cdecl* f_UnregisterSlider)(HINSTANCE hInstanceDll); |
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41 | int UnregisterSlider(HINSTANCE hInstanceDll) { |
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42 | f_UnregisterSlider fUnregisterSlider; |
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43 | |||
44 | if (!gdata->pluginDllModule) return 0; |
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45 | fUnregisterSlider = (f_UnregisterSlider)(void*)GetProcAddress(gdata->pluginDllModule, "UnregisterSlider"); |
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46 | if (fUnregisterSlider != 0) { |
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47 | return fUnregisterSlider(hInstanceDll); |
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48 | } |
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49 | else { |
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50 | return 0; |
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51 | } |
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52 | } |
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53 | |||
54 | // PLUGIN.DLL Sliders: Set slider range (min/max) |
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55 | typedef int(__cdecl* f_SetSliderRange)(HWND hWnd, int nMin, int nMax); |
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56 | int SetSliderRange(HWND hWnd, int nMin, int nMax) { |
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57 | f_SetSliderRange fSetSliderRange; |
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58 | |||
59 | if (!gdata->pluginDllModule) return 0; |
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60 | fSetSliderRange = (f_SetSliderRange)(void*)GetProcAddress(gdata->pluginDllModule, "SetSliderRange"); |
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61 | if (fSetSliderRange != 0) { |
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62 | return fSetSliderRange(hWnd, nMin, nMax); |
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63 | } |
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64 | else { |
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65 | return 0; |
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66 | } |
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67 | } |
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68 | |||
69 | // PLUGIN.DLL Sliders : Sets slider position |
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70 | typedef int(__cdecl* f_SetSliderPos)(HWND hWnd, int nPos, BOOL bRepaint); |
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71 | int SetSliderPos(HWND hWnd, int nPos, BOOL bRepaint) { |
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72 | f_SetSliderPos fSetSliderPos; |
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73 | |||
74 | if (!gdata->pluginDllModule) return 0; |
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75 | fSetSliderPos = (f_SetSliderPos)(void*)GetProcAddress(gdata->pluginDllModule, "SetSliderPos"); |
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76 | if (fSetSliderPos != 0) { |
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77 | return fSetSliderPos(hWnd, nPos, bRepaint); |
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78 | } |
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79 | else { |
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80 | return 0; |
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81 | } |
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82 | } |
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83 | |||
84 | // PLUGIN.DLL Sliders : Get slider position |
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85 | typedef int(__cdecl* f_GetSliderPos)(HWND hWnd, BOOL bPixelPosition); |
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86 | int GetSliderPos(HWND hWnd, BOOL bPixelPosition) { |
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87 | f_GetSliderPos fGetSliderPos; |
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88 | |||
89 | if (!gdata->pluginDllModule) return 0; |
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90 | fGetSliderPos = (f_GetSliderPos)(void*)GetProcAddress(gdata->pluginDllModule, "GetSliderPos"); |
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91 | if (fGetSliderPos != 0) { |
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92 | int res = fGetSliderPos(hWnd, bPixelPosition); |
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93 | return res; |
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94 | } |
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95 | else { |
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96 | return 0; |
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97 | } |
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98 | } |
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99 | |||
444 | daniel-mar | 100 | Boolean MakeSimpleSubclass(LPCTSTR targetClass, LPCTSTR sourceClass) { |
439 | daniel-mar | 101 | WNDCLASS clx; |
102 | |||
444 | daniel-mar | 103 | if (GetClassInfo(hDllInstance, sourceClass, &clx) != 0) { |
439 | daniel-mar | 104 | clx.lpszClassName = targetClass; |
105 | if (RegisterClass(&clx) == 0) { |
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444 | daniel-mar | 106 | TCHAR s[0x300]; |
107 | xstrcpy(s, (TCHAR*)TEXT("RegisterClass failed: ")); |
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108 | FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0, s + xstrlen(s), 0x300 - xstrlen(s), NULL); |
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109 | dbg(&s[0]); |
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439 | daniel-mar | 110 | return false; |
111 | } |
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112 | else { |
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113 | return true; |
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114 | } |
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115 | } |
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116 | else { |
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117 | return false; |
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118 | } |
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119 | } |
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120 | |||
121 | void Slider_Uninit_PluginDll() { |
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122 | |||
123 | #ifndef use_plugin_dll_sliders |
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124 | return; |
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125 | #else |
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126 | WNDCLASS clx; |
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127 | |||
444 | daniel-mar | 128 | if (GetClassInfo(hDllInstance, TEXT("slider"), &clx) != 0) { |
439 | daniel-mar | 129 | UnregisterSlider(hDllInstance); |
130 | } |
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131 | if (gdata->pluginDllModule) { |
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132 | FreeLibrary(gdata->pluginDllModule); |
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133 | gdata->pluginDllModule = 0; |
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134 | } |
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135 | #endif |
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136 | |||
137 | } |
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138 | |||
444 | daniel-mar | 139 | Boolean Slider_Init_PluginDll(LPCTSTR targetClass) { |
439 | daniel-mar | 140 | |
141 | #ifndef use_plugin_dll_sliders |
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142 | return false; |
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143 | #else |
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144 | DWORD sliderMsgId; |
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145 | |||
146 | // Try loading PLUGIN.DLL (only Photoshop) in order to register the class "slider" |
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444 | daniel-mar | 147 | gdata->pluginDllModule = LoadLibrary(TEXT("PLUGIN.DLL")); |
439 | daniel-mar | 148 | if (!gdata->pluginDllModule) return false; |
149 | sliderMsgId = 0; // important |
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150 | RegisterSlider(hDllInstance, &sliderMsgId); |
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151 | if (sliderMsgId != 0) { |
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152 | // RegisterSlider will "remember" if it gave you a message ID before, |
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153 | // and it will NOT give it to you again! (instead, the output variable stays untouched). |
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154 | // The problem: PLUGIN.DLL stays loaded the whole time, so it keeps remembering, while Filter Foundry |
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155 | // loses its internal state every time the window is closed. |
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156 | // So, we keep the message ID in the global (persistant) data, so we remember it. |
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157 | gdata->pluginDllSliderMessageId = sliderMsgId; |
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158 | } |
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159 | |||
160 | // Make "FoundrySlider" a subclass of "slider" then |
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444 | daniel-mar | 161 | return MakeSimpleSubclass(targetClass, TEXT("slider")); |
439 | daniel-mar | 162 | #endif |
163 | |||
164 | } |
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165 | |||
166 | typedef void(__stdcall* f_InitCommonControls)(); |
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167 | typedef BOOL(__stdcall* f_InitCommonControlsEx)(const INITCOMMONCONTROLSEX* picce); |
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444 | daniel-mar | 168 | Boolean Slider_Init_MsTrackbar(LPCTSTR targetClass) { |
439 | daniel-mar | 169 | f_InitCommonControls fInitCommonControls; |
170 | f_InitCommonControlsEx fInitCommonControlsEx; |
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171 | HMODULE libComctl32; |
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172 | |||
173 | // Make sure that Comctl32 is loaded |
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444 | daniel-mar | 174 | libComctl32 = LoadLibrary(TEXT("Comctl32.dll")); |
439 | daniel-mar | 175 | if (libComctl32) { |
176 | fInitCommonControlsEx = (f_InitCommonControlsEx)(void*)GetProcAddress(libComctl32, "InitCommonControlsEx"); |
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177 | if (fInitCommonControlsEx != 0) { |
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178 | INITCOMMONCONTROLSEX icce; |
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179 | icce.dwSize = sizeof(INITCOMMONCONTROLSEX); |
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180 | icce.dwICC = ICC_BAR_CLASSES; |
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181 | fInitCommonControlsEx(&icce); |
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182 | } |
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183 | else { |
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184 | fInitCommonControls = (f_InitCommonControls)(void*)GetProcAddress(libComctl32, "InitCommonControls"); |
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185 | if (fInitCommonControls != 0) { |
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186 | fInitCommonControls(); |
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187 | } |
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188 | } |
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189 | // There seems to be a bug in Windows NT 3.11 (if PLUGIN.DLL does not exist): |
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190 | // If we call FreeLibrary, and then open Filter Foundry again, |
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191 | // then you get an error message "BRUSHES" cannot initialize Comctl32.dll ... |
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192 | // I am not sure if it is OK to do a FreeLibrary after you have called InitCommonControls. |
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193 | // Isn't that a contradiction? |
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194 | //FreeLibrary(libComctl32); |
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195 | } |
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196 | |||
197 | // Make "FoundrySlider" a subclass of "msctls_trackbar32" then |
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444 | daniel-mar | 198 | return MakeSimpleSubclass(targetClass, TEXT("msctls_trackbar32")); |
439 | daniel-mar | 199 | } |
200 | |||
444 | daniel-mar | 201 | Boolean Slider_Init_None(LPCTSTR targetClass) { |
439 | daniel-mar | 202 | // Make "FoundrySlider" a subclass of "STATIC" (making it invisible) |
444 | daniel-mar | 203 | return MakeSimpleSubclass(targetClass, TEXT("STATIC")); |
439 | daniel-mar | 204 | } |