Mercurial Repositories > eric / file comparison
comparison: UI/PixmapCache.py
UI/PixmapCache.py
- changeset 3270
- d8532d902e76
- parent 3160
- 209a07d7e401
- child 3484
- 645c12de6b0c
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| 3269:866c3a2f5380 | 3270:d8532d902e76 |
|---|---|
| 7 Module implementing a pixmap cache for icons. | 7 Module implementing a pixmap cache for icons. |
| 8 """ | 8 """ |
| 9 | 9 |
| 10 import os | 10 import os |
| 11 | 11 |
| 12 from PyQt4.QtCore import Qt, QSize | |
| 12 from PyQt4.QtGui import QPixmap, QIcon, QPainter | 13 from PyQt4.QtGui import QPixmap, QIcon, QPainter |
| 13 | 14 |
| 14 | 15 |
| 15 class PixmapCache(object): | 16 class PixmapCache(object): |
| 16 """ | 17 """ |
| 95 painter.drawPixmap(0, 10, pix2) | 96 painter.drawPixmap(0, 10, pix2) |
| 96 painter.end() | 97 painter.end() |
| 97 return QIcon(pix1) | 98 return QIcon(pix1) |
| 98 | 99 |
| 99 | 100 |
| 101 def getCombinedIcon(keys, cache=pixCache): | |
| 102 """ | |
| 103 Module function to retrieve a symbolic link icon. | |
| 104 | |
| 105 @param keys list of names of icons (string) | |
| 106 @param cache reference to the pixmap cache object (PixmapCache) | |
| 107 @return the requested icon (QIcon) | |
| 108 """ | |
| 109 height = width = 0 | |
| 110 pixmaps = [] | |
| 111 for key in keys: | |
| 112 pix = cache.getPixmap(key) | |
| 113 if not pix.isNull(): | |
| 114 height = max(height, pix.height()) | |
| 115 width = max(width, pix.width()) | |
| 116 pixmaps.append(pix) | |
| 117 if pixmaps: | |
| 118 pix = QPixmap(len(pixmaps) * width, height) | |
| 119 pix.fill(Qt.transparent) | |
| 120 painter = QPainter(pix) | |
| 121 x = 0 | |
| 122 for pixmap in pixmaps: | |
| 123 painter.drawPixmap(x, 0, pixmap.scaled(QSize(width, height))) | |
| 124 x += width | |
| 125 painter.end() | |
| 126 icon = QIcon(pix) | |
| 127 else: | |
| 128 icon = QIcon() | |
| 129 return icon | |
| 130 | |
| 131 | |
| 100 def addSearchPath(path, cache=pixCache): | 132 def addSearchPath(path, cache=pixCache): |
| 101 """ | 133 """ |
| 102 Module function to add a path to the search path. | 134 Module function to add a path to the search path. |
| 103 | 135 |
| 104 @param path path to add (string) | 136 @param path path to add (string) |
