src/XImlib2Caption.cpp

   1 /* vim:tabstop=4:expandtab:shiftwidth=4
   2  *
   3  * Idesk -- XImlib2Caption.cpp
   4  *
   5  * Copyright (c) 2002, Chris (nikon) (nikon@sc.rr.com)
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are met:
  10  *
  11  *      Redistributions of source code must retain the above copyright
  12  *      notice, this list of conditions and the following disclaimer.
  13  *
  14  *      Redistributions in binary form must reproduce the above copyright
  15  *      notice, this list of conditions and the following disclaimer in the
  16  *      documentation and/or other materials provided with the distribution.
  17  *
  18  *      Neither the name of the <ORGANIZATION> nor the names of its
  19  *      contributors may be used to endorse or promote products derived from
  20  *      this software without specific prior written permission.
  21  *
  22  * (See the included file COPYING / BSD )
  23  */
  24 #ifdef SHAPE
  25 #include  <X11/extensions/shape.h>
  26 #endif // SHAPE
  27 #include "XImlib2Caption.h"
  28 #include "XIconWithShadow.h"
  29
  30 XImlib2Caption::XImlib2Caption(AbstractContainer * c, AbstractIcon * iParent,
  31                    AbstractConfig * con, AbstractIconConfig * iConfig)
  32            : AbstractCaption(c, iParent, con, iConfig),
  33              XImlib2Image(c, iParent, con, iConfig), FONTSHIFT(4)
  34 {
  35     XDesktopContainer * xContainer =
  36         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
  37
  38     visual = imlib_context_get_visual();
  39     cmap = imlib_context_get_colormap();
  40     configure();
  41     createFont();
  42 }
  43
  44 XImlib2Caption::~XImlib2Caption()
  45 {
  46     XDesktopContainer * xContainer =
  47         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
  48
  49    XftColorFree( xContainer->getDisplay(), visual, cmap, &fontColor );
  50
  51     if (shadowOn)
  52         XftColorFree( xContainer->getDisplay(), visual, cmap, &shadowFontColor);
  53
  54     if(gc)
  55         XFreeGC(xContainer->getDisplay(), gc);
  56
  57      XDestroyWindow(xContainer->getDisplay(), window);
  58      XftDrawDestroy(fontDrawHandle);
  59 }
  60
  61 void XImlib2Caption::configure()
  62 {
  63     DesktopIconConfig * dIconConfig =
  64         dynamic_cast<DesktopIconConfig *>(AbstractImage::iconConfig);
  65
  66     //grab the text
  67     text = AbstractImage::iconConfig->getCaption();
  68
  69     //set boldness
  70     if (dIconConfig->getBoldness())
  71         boldVal = XFT_WEIGHT_BOLD;
  72     else
  73         boldVal = XFT_WEIGHT_MEDIUM;
  74
  75     //set shadow options
  76     shadowOn = dIconConfig->isShadow();
  77     shadowX = dIconConfig->getShadowX();
  78     shadowY = dIconConfig->getShadowY();
  79     shadowColor = dIconConfig->getShadowColor();
  80
  81     //captionOnHover
  82     captionOnHover = dIconConfig->getCaptionOnHover();
  83
  84     //captionPlacement
  85     captionPlacement = dIconConfig->getCaptionPlacement();
  86 }
  87
  88 void XImlib2Caption::createFont()
  89 {
  90     XDesktopContainer * xContainer =
  91         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
  92     DesktopIconConfig * dIconConfig =
  93         dynamic_cast<DesktopIconConfig *>(AbstractImage::iconConfig);
  94
  95     font = XftFontOpen( xContainer->getDisplay(),
  96                         DefaultScreen( xContainer->getDisplay()),
  97                         XFT_FAMILY,
  98                         XftTypeString,
  99                         dIconConfig->getFont().c_str(),
 100                         XFT_SIZE,
 101                         XftTypeDouble,
 102                         (double)dIconConfig->getFontSize(),
 103                         XFT_WEIGHT, XftTypeInteger, boldVal,
 104                         NULL );
 105
 106     XColor  screen, exact;
 107     if (!XAllocNamedColor (xContainer->getDisplay(), cmap, (char*)dIconConfig->getFontColor().c_str(), &screen, &exact))
 108         cout << "BAD COLORS!!!\n";
 109
 110     XftColorAllocName(xContainer->getDisplay(), visual, cmap,
 111                       (char*)dIconConfig->getFontColor().c_str(), &fontColor );
 112
 113     if (shadowOn)
 114         XftColorAllocName(xContainer->getDisplay(), visual, cmap,
 115                           (char*)shadowColor.c_str(), &shadowFontColor );
 116 }
 117
 118
 119 Window * XImlib2Caption::getWindow()
 120 {
 121     return &window;
 122 }
 123
 124 void XImlib2Caption::createWindow()
 125 {
 126     XDesktopContainer * xContainer =
 127         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
 128
 129     DesktopConfig * dConfig =
 130                     dynamic_cast<DesktopConfig *>(XImlib2Image::config);
 131
 132     XSetWindowAttributes attr;
 133     attr.override_redirect = True;
 134     attr.cursor = XCreateFontCursor(xContainer->getDisplay(), dConfig->getCursorOver());
 135
 136     attr.event_mask = SubstructureRedirectMask |
 137                       SubstructureNotifyMask   |
 138                       ButtonPressMask          |
 139                       ButtonReleaseMask        |
 140                       PointerMotionMask        |
 141                       PropertyChangeMask       |
 142                       ExposureMask;
 143
 144     XftTextExtentsUtf8( xContainer->getDisplay(), font, (XftChar8*)text.c_str(), text.length(), &fontInfo );
 145
 146     // fix window extents so shadow text is not cut
 147     // TODO: fix window extents if shadow is negative:
 148     // Would have to edit x and y of the window
 149     width = fontInfo.width + FONTSHIFT;
 150     height = font->height;
 151
 152     if (shadowOn)
 153     {
 154         width += shadowX > 0 ? shadowX : 0;
 155         height += shadowY > 0 ? shadowY : 0;
 156     }
 157     window = XCreateWindow( xContainer->getDisplay(),
 158                             xContainer->getWindow(),
 159                             0,
 160                             0,
 161                             width,
 162                             height,
 163                             0,
 164                             CopyFromParent,
 165                             CopyFromParent,
 166                             CopyFromParent,
 167                             CWOverrideRedirect|CWEventMask|CWCursor,
 168                             &attr );
 169 }
 170
 171 void XImlib2Caption::renderFont2Imlib()
 172 {
 173
 174     XDesktopContainer * xContainer =
 175         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
 176
 177     Display * display = xContainer->getDisplay();
 178     int screen =  DefaultScreen(display);
 179
 180     pixmap = XCreatePixmap(display, window, width,
 181                             height,
 182                            DefaultDepth(display, screen));
 183
 184     XSetWindowBackgroundPixmap (display, window, pixmap);
 185
 186     gc = XCreateGC(display, window, 0, 0);
 187
 188     if( pixmap == (Pixmap) NULL )
 189     {
 190             printf("\nError creando Pixmap\n");
 191             XCloseDisplay(display);
 192             exit(1);
 193     }
 194
 195     fontDrawHandle = XftDrawCreate(display, pixmap, visual, cmap);
 196
 197     XSetFillStyle(display, gc, FillSolid);
 198     XSetForeground(display, gc, BlackPixel(display, 0));
 199     XSetBackground(display, gc, WhitePixel(display, 0));
 200     XFillRectangle(display, pixmap, gc, 0, 0, width, height);
 201     Pixmap shapeMask = XCreatePixmap(display, window, width, height,1);
 202     GC tempGc = XCreateGC(display, shapeMask, 0, 0);
 203     XCopyPlane(display, pixmap, shapeMask, tempGc, 0, 0, width, height, 0, 0, 1);
 204 #ifdef SHAPE
 205     XShapeCombineMask(display, window, 0, 0, 0, shapeMask, ShapeUnion);
 206 #endif // SHAPE
 207     imlib_context_set_drawable(pixmap);
 208 }
 209
 210 void XImlib2Caption::draw()
 211 {
 212         XDesktopContainer * xContainer =
 213                         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
 214         XIconWithShadow * sIcon = dynamic_cast<XIconWithShadow *>(AbstractImage::iconParent);
 215
 216         Display * display = xContainer->getDisplay();
 217
 218         int fX, fY;
 219
 220         setXY(fX, fY);
 221
 222         Imlib_Image cropImage = xContainer->createCropImage(fX, fY, width, height);
 223
 224         imlib_context_set_image(cropImage);
 225
 226         imlib_context_set_drawable(window);
 227         imlib_render_image_on_drawable(0, 0);
 228
 229         Pixmap shapeMask;
 230         imlib_render_pixmaps_for_whole_image (&pixmap, &shapeMask);
 231         XSetWindowBackgroundPixmap (display, window, pixmap);
 232         imlib_free_image();
 233
 234         imlib_context_set_drawable(xContainer->getWindow());
 235
 236     imlib_context_set_image(xContainer->bg->spareRoot);
 237
 238     // if the icon shadow is enabled and the shadow is visible underneath the
 239     // text window
 240         if (sIcon && //TODO Fix this
 241                    sIcon->getShadowX() > fX - sIcon->getWidth() &&
 242                    sIcon->getShadowY() > fY - sIcon->getHeight() &&
 243                    sIcon->getShadowX() < fX + sIcon->getWidth() &&
 244                    sIcon->getShadowY() < fY + sIcon->getHeight() )
 245                 sIcon->renderShadowToImage(pixmap, fX, fY);
 246
 247         updateText();
 248
 249         XMoveWindow(display, window, fX, fY );
 250
 251         //apply the buffer to the window
 252         XSetFillStyle(display, gc, FillTiled);
 253         XSetTile(display, gc, pixmap);
 254         XFillRectangle(display, window, gc, 0, 0, width, height);
 255         imlib_free_pixmap_and_mask(pixmap);
 256 }
 257
 258 void XImlib2Caption::updateText()
 259 {
 260      XDesktopContainer * xContainer =
 261                         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
 262
 263       XftDrawChange(fontDrawHandle, pixmap);
 264         if (shadowOn)
 265                 XftDrawStringUtf8( fontDrawHandle, &shadowFontColor, font, FONTSHIFT/2 + shadowX, font->ascent + shadowY, (XftChar8*)text.c_str(), text.length() );
 266
 267         XftDrawStringUtf8(fontDrawHandle, &fontColor, font, FONTSHIFT/2, font->ascent, (XftChar8*)text.c_str(), text.length() );
 268 }
 269
 270 void XImlib2Caption::lowerWindow()
 271 {
 272     XDesktopContainer * xContainer =
 273         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
 274
 275     XLowerWindow( xContainer->getDisplay(), window );
 276 }
 277
 278 void XImlib2Caption::setXY(int & fX, int & fY)
 279 {
 280     //TODO fix pixel placement
 281     if (captionPlacement == "Right")
 282         fX = AbstractImage::iconParent->getX() + AbstractImage::iconParent->getWidth() + 10;
 283     else if (captionPlacement == "Left")
 284         fX = AbstractImage::iconParent->getX() - fontInfo.width - 10;
 285     else //(captionPlacement == "Bottom" || captionPlacement == "Top")
 286         fX = AbstractImage::iconParent->getX() +
 287              (AbstractImage::iconParent->getWidth() - fontInfo.width)/2;
 288
 289     if (captionPlacement == "Left" || captionPlacement == "Right")
 290         fY = AbstractImage::iconParent->getY() + (AbstractImage::iconParent->getHeight() - fontInfo.height)/2;
 291     else if (captionPlacement == "Top")
 292         fY = AbstractImage::iconParent->getY() - fontInfo.height - 2*FONTSHIFT;
 293     else //(captionPlacement == "Bottom")
 294         fY = AbstractImage::iconParent->getY() + AbstractImage::iconParent->getHeight() + FONTSHIFT;
 295 }
 296
 297 int XImlib2Caption::getFontWidth()
 298 {
 299     return fontInfo.width;
 300 }
 301
 302 int XImlib2Caption::getFontHeight()
 303 {
 304     return font->height;
 305 }
 306 void XImlib2Caption::mapWindow()
 307 {
 308     XDesktopContainer * xContainer =
 309         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
 310
 311     XMapWindow( xContainer->getDisplay(), window );
 312 }
 313
 314 void XImlib2Caption::initMapWindow()
 315 {
 316     if (!captionOnHover)
 317         mapWindow();
 318 }
 319
 320 void XImlib2Caption::unmapWindow()
 321 {
 322     XDesktopContainer * xContainer =
 323         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
 324
 325     XUnmapWindow( xContainer->getDisplay(), window );
 326 }
 327
 328 void XImlib2Caption::moveWindow(int xC, int yC)
 329 {
 330     XDesktopContainer * xContainer =
 331         dynamic_cast<XDesktopContainer *>(AbstractImage::container);
 332     setXY(xC, yC);
 333     XMoveWindow( xContainer->getDisplay(), window, xC, yC );
 334 }
 335
 336 void XImlib2Caption::mouseOverEffect()
 337 {
 338     if (captionOnHover)
 339         mapWindow();
 340 }
 341
 342 void XImlib2Caption::mouseOffEffect()
 343 {
 344     if (captionOnHover)
 345         unmapWindow();
 346 }