| 1 | /* |
| 2 | *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved. |
| 3 | *Copyright (C) 2009-2010 Jon TURNEY |
| 4 | * |
| 5 | *Permission is hereby granted, free of charge, to any person obtaining |
| 6 | *a copy of this software and associated documentation files (the |
| 7 | *"Software"), to deal in the Software without restriction, including |
| 8 | *without limitation the rights to use, copy, modify, merge, publish, |
| 9 | *distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | *permit persons to whom the Software is furnished to do so, subject to |
| 11 | *the following conditions: |
| 12 | * |
| 13 | *The above copyright notice and this permission notice shall be |
| 14 | *included in all copies or substantial portions of the Software. |
| 15 | * |
| 16 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 18 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 19 | *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR |
| 20 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
| 21 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 22 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | *Except as contained in this notice, the name of the author(s) |
| 25 | *shall not be used in advertising or otherwise to promote the sale, use |
| 26 | *or other dealings in this Software without prior written authorization |
| 27 | *from the author(s) |
| 28 | * |
| 29 | * Authors: Harold L Hunt II |
| 30 | * Jon TURNEY |
| 31 | */ |
| 32 | |
| 33 | #ifdef HAVE_XWIN_CONFIG_H |
| 34 | #include <xwin-config.h> |
| 35 | #endif |
| 36 | #include "win.h" |
| 37 | #include "mivalidate.h" // for union _Validate used by windowstr.h |
| 38 | |
| 39 | #ifndef RANDR_12_INTERFACE |
| 40 | #error X server must have RandR 1.2 interface |
| 41 | #endif |
| 42 | |
| 43 | /* |
| 44 | * Answer queries about the RandR features supported. |
| 45 | */ |
| 46 | |
| 47 | static Bool |
| 48 | winRandRGetInfo(ScreenPtr pScreen, Rotation * pRotations) |
| 49 | { |
| 50 | winDebug("winRandRGetInfo ()\n"); |
| 51 | |
| 52 | /* Don't support rotations */ |
| 53 | *pRotations = RR_Rotate_0; |
| 54 | |
| 55 | /* |
| 56 | The screen doesn't have to be limited to the actual |
| 57 | monitor size (we can have scrollbars :-), so what is |
| 58 | the upper limit? |
| 59 | */ |
| 60 | RRScreenSetSizeRange(pScreen, 0, 0, 4096, 4096); |
| 61 | |
| 62 | return TRUE; |
| 63 | } |
| 64 | |
| 65 | /* |
| 66 | |
| 67 | */ |
| 68 | void |
| 69 | winDoRandRScreenSetSize(ScreenPtr pScreen, |
| 70 | CARD16 width, |
| 71 | CARD16 height, CARD32 mmWidth, CARD32 mmHeight) |
| 72 | { |
| 73 | winScreenPriv(pScreen); |
| 74 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; |
| 75 | WindowPtr pRoot = pScreen->root; |
| 76 | |
| 77 | // Prevent screen updates while we change things around |
| 78 | SetRootClip(pScreen, FALSE); |
| 79 | |
| 80 | /* Update the screen size as requested */ |
| 81 | pScreenInfo->dwWidth = width; |
| 82 | pScreenInfo->dwHeight = height; |
| 83 | |
| 84 | /* Reallocate the framebuffer used by the drawing engine */ |
| 85 | (*pScreenPriv->pwinFreeFB) (pScreen); |
| 86 | if (!(*pScreenPriv->pwinAllocateFB) (pScreen)) { |
| 87 | ErrorF("winDoRandRScreenSetSize - Could not reallocate framebuffer\n"); |
| 88 | } |
| 89 | |
| 90 | pScreen->width = width; |
| 91 | pScreen->height = height; |
| 92 | pScreen->mmWidth = mmWidth; |
| 93 | pScreen->mmHeight = mmHeight; |
| 94 | |
| 95 | /* Update the screen pixmap to point to the new framebuffer */ |
| 96 | winUpdateFBPointer(pScreen, pScreenInfo->pfb); |
| 97 | |
| 98 | // pScreen->devPrivate == pScreen->GetScreenPixmap(screen) ? |
| 99 | // resize the root window |
| 100 | //pScreen->ResizeWindow(pRoot, 0, 0, width, height, NULL); |
| 101 | // does this emit a ConfigureNotify?? |
| 102 | |
| 103 | // Restore the ability to update screen, now with new dimensions |
| 104 | SetRootClip(pScreen, TRUE); |
| 105 | |
| 106 | // and arrange for it to be repainted |
| 107 | miPaintWindow(pRoot, &pRoot->borderClip, PW_BACKGROUND); |
| 108 | |
| 109 | /* Indicate that a screen size change took place */ |
| 110 | RRScreenSizeNotify(pScreen); |
| 111 | } |
| 112 | |
| 113 | /* |
| 114 | * Respond to resize request |
| 115 | */ |
| 116 | static |
| 117 | Bool |
| 118 | winRandRScreenSetSize(ScreenPtr pScreen, |
| 119 | CARD16 width, |
| 120 | CARD16 height, CARD32 mmWidth, CARD32 mmHeight) |
| 121 | { |
| 122 | winScreenPriv(pScreen); |
| 123 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; |
| 124 | |
| 125 | winDebug("winRandRScreenSetSize ()\n"); |
| 126 | |
| 127 | /* |
| 128 | It doesn't currently make sense to allow resize in fullscreen mode |
| 129 | (we'd actually have to list the supported resolutions) |
| 130 | */ |
| 131 | if (pScreenInfo->fFullScreen) { |
| 132 | ErrorF |
| 133 | ("winRandRScreenSetSize - resize not supported in fullscreen mode\n"); |
| 134 | return FALSE; |
| 135 | } |
| 136 | |
| 137 | /* |
| 138 | Client resize requests aren't allowed in rootless modes, even if |
| 139 | the X screen is monitor or virtual desktop size, we'd need to |
| 140 | resize the native display size |
| 141 | */ |
| 142 | if (FALSE |
| 143 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 144 | || pScreenInfo->fMWExtWM |
| 145 | #endif |
| 146 | || pScreenInfo->fRootless |
| 147 | #ifdef XWIN_MULTIWINDOW |
| 148 | || pScreenInfo->fMultiWindow |
| 149 | #endif |
| 150 | ) { |
| 151 | ErrorF |
| 152 | ("winRandRScreenSetSize - resize not supported in rootless modes\n"); |
| 153 | return FALSE; |
| 154 | } |
| 155 | |
| 156 | winDoRandRScreenSetSize(pScreen, width, height, mmWidth, mmHeight); |
| 157 | |
| 158 | /* Cause the native window for the screen to resize itself */ |
| 159 | { |
| 160 | DWORD dwStyle, dwExStyle; |
| 161 | RECT rcClient; |
| 162 | |
| 163 | rcClient.left = 0; |
| 164 | rcClient.top = 0; |
| 165 | rcClient.right = width; |
| 166 | rcClient.bottom = height; |
| 167 | |
| 168 | ErrorF("winRandRScreenSetSize new client area w: %d h: %d\n", width, |
| 169 | height); |
| 170 | |
| 171 | /* Get the Windows window style and extended style */ |
| 172 | dwExStyle = GetWindowLongPtr(pScreenPriv->hwndScreen, GWL_EXSTYLE); |
| 173 | dwStyle = GetWindowLongPtr(pScreenPriv->hwndScreen, GWL_STYLE); |
| 174 | |
| 175 | /* |
| 176 | * Calculate the window size needed for the given client area |
| 177 | * adjusting for any decorations it will have |
| 178 | */ |
| 179 | AdjustWindowRectEx(&rcClient, dwStyle, FALSE, dwExStyle); |
| 180 | |
| 181 | ErrorF("winRandRScreenSetSize new window area w: %ld h: %ld\n", |
| 182 | rcClient.right - rcClient.left, rcClient.bottom - rcClient.top); |
| 183 | |
| 184 | SetWindowPos(pScreenPriv->hwndScreen, NULL, |
| 185 | 0, 0, rcClient.right - rcClient.left, |
| 186 | rcClient.bottom - rcClient.top, SWP_NOZORDER | SWP_NOMOVE); |
| 187 | } |
| 188 | |
| 189 | return TRUE; |
| 190 | } |
| 191 | |
| 192 | /* |
| 193 | * Initialize the RandR layer. |
| 194 | */ |
| 195 | |
| 196 | Bool |
| 197 | winRandRInit(ScreenPtr pScreen) |
| 198 | { |
| 199 | rrScrPrivPtr pRRScrPriv; |
| 200 | |
| 201 | winDebug("winRandRInit ()\n"); |
| 202 | |
| 203 | if (!RRScreenInit(pScreen)) { |
| 204 | ErrorF("winRandRInit () - RRScreenInit () failed\n"); |
| 205 | return FALSE; |
| 206 | } |
| 207 | |
| 208 | /* Set some RandR function pointers */ |
| 209 | pRRScrPriv = rrGetScrPriv(pScreen); |
| 210 | pRRScrPriv->rrGetInfo = winRandRGetInfo; |
| 211 | pRRScrPriv->rrSetConfig = NULL; |
| 212 | pRRScrPriv->rrScreenSetSize = winRandRScreenSetSize; |
| 213 | pRRScrPriv->rrCrtcSet = NULL; |
| 214 | pRRScrPriv->rrCrtcSetGamma = NULL; |
| 215 | |
| 216 | return TRUE; |
| 217 | } |