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-rw-r--r--src/FbWinFrame.cc65
-rw-r--r--src/FbWinFrame.hh4
2 files changed, 66 insertions, 3 deletions
diff --git a/src/FbWinFrame.cc b/src/FbWinFrame.cc
index 0d40122..045ca03 100644
--- a/src/FbWinFrame.cc
+++ b/src/FbWinFrame.cc
@@ -19,7 +19,7 @@
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE. 20// DEALINGS IN THE SOFTWARE.
21 21
22// $Id: FbWinFrame.cc,v 1.45 2003/09/10 21:43:54 fluxgen Exp $ 22// $Id: FbWinFrame.cc,v 1.46 2003/09/11 13:17:14 rathnor Exp $
23 23
24#include "FbWinFrame.hh" 24#include "FbWinFrame.hh"
25 25
@@ -1106,3 +1106,66 @@ void FbWinFrame::updateTransparent() {
1106 m_grip_right.updateTransparent(); 1106 m_grip_right.updateTransparent();
1107 m_handle.updateTransparent(); 1107 m_handle.updateTransparent();
1108} 1108}
1109
1110
1111// this function translates its arguments according to win_gravity
1112// if win_gravity is negative, it does an inverse translation
1113void FbWinFrame::gravityTranslate(int &x, int &y, int win_gravity, bool move_frame) {
1114 bool invert = false;
1115 if (win_gravity < 0) {
1116 invert = true;
1117 win_gravity = -win_gravity; // make +ve
1118 }
1119
1120 /* Ok, so, gravity says which point of the frame is put where the
1121 * corresponding bit of window would have been
1122 * Thus, x,y always refers to where top left of the WINDOW would be placed
1123 * but given that we're wrapping it in a frame, we actually place
1124 * it so that the given reference point is in the same spot as the
1125 * window's reference point would have been.
1126 * i.e. east gravity says that the centre of the right hand side of the
1127 * frame is placed where the centre of the rhs of the window would
1128 * have been if there was no frame.
1129 * Hope that makes enough sense.
1130 *
1131 * If you get confused with the calculations, draw a picture.
1132 *
1133 */
1134
1135 // We calculate offsets based on the gravity and frame aspects
1136 // and at the end apply those offsets +ve or -ve depending on 'invert'
1137
1138 int x_offset = 0;
1139 int y_offset = 0;
1140
1141 // Start with X offset
1142 switch (win_gravity) {
1143 case NorthWest:
1144 case North:
1145 case NorthEast:
1146 // no offset, since the top point is still the same
1147 break;
1148 case SouthWest:
1149 case South:
1150 case SouthEast:
1151 case Static:
1152 case Center:
1153 // window shifted down by height of titlebar
1154 x_offset -= m_titlebar.height() + m_titlebar.borderWidth();
1155 break;
1156 }
1157
1158 // no Y offset, since we don't have a frame down there
1159
1160 if (invert) {
1161 x_offset = -x_offset;
1162 y_offset = -y_offset;
1163 }
1164
1165 x += x_offset;
1166 y += y_offset;
1167
1168 if (move_frame && (x_offset != 0 || y_offset != 0)) {
1169 move(x() + x_offset, y() + y_offset);
1170 }
1171}
diff --git a/src/FbWinFrame.hh b/src/FbWinFrame.hh
index e4c5ca2..6906f2a 100644
--- a/src/FbWinFrame.hh
+++ b/src/FbWinFrame.hh
@@ -19,7 +19,7 @@
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE. 20// DEALINGS IN THE SOFTWARE.
21 21
22// $Id: FbWinFrame.hh,v 1.16 2003/09/11 13:15:58 rathnor Exp $ 22// $Id: FbWinFrame.hh,v 1.17 2003/09/11 13:17:14 rathnor Exp $
23 23
24#ifndef FBWINFRAME_HH 24#ifndef FBWINFRAME_HH
25#define FBWINFRAME_HH 25#define FBWINFRAME_HH
@@ -123,7 +123,7 @@ public:
123 123
124 // this function translates its arguments according to win_gravity 124 // this function translates its arguments according to win_gravity
125 // if win_gravity is negative, it does an inverse translation 125 // if win_gravity is negative, it does an inverse translation
126 void gravityTranslate(int &x, int &y, int win_gravity); 126 void gravityTranslate(int &x, int &y, int win_gravity, bool move_frame = false);
127 127
128 void setBorderWidth(unsigned int borderW); 128 void setBorderWidth(unsigned int borderW);
129 129