more improvements on transparency
fluxgen fluxgen
1 files changed,
67 insertions(+),
104 deletions(-)
jump to
M
src/FbTk/Menu.cc
→
src/FbTk/Menu.cc
@@ -22,7 +22,7 @@ // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. -// $Id: Menu.cc,v 1.66 2004/06/13 12:01:52 fluxgen Exp $ +// $Id: Menu.cc,v 1.67 2004/06/14 12:24:23 fluxgen Exp $ //use GNU extensions #ifndef _GNU_SOURCE@@ -381,7 +381,6 @@ setTitleVisibility(true);
} void Menu::update(int active_index) { - if (title_vis) { menu.item_w = theme().titleFont().textWidth(menu.label.c_str(), menu.label.size());@@ -485,7 +484,7 @@ 0, 0,
m_title_pm.width(), m_title_pm.height()); } - + } }@@ -536,8 +535,8 @@ menu.title.borderWidth()*2 : 0),
width(), menu.frame_h); - if (m_need_update && (m_frame_pm.width() != menu.frame.width() || - m_frame_pm.height() != menu.frame.height() )){ + if (m_need_update || m_frame_pm.width() != menu.frame.width() || + m_frame_pm.height() != menu.frame.height()){ m_frame_pm = FbTk::FbPixmap(menu.frame.window(), menu.frame.width(), menu.frame.height(),@@ -548,82 +547,61 @@ menu.frame.width(), menu.frame.height(),
menu.frame.depth()); menu.frame.setBackgroundPixmap(m_real_frame_pm.drawable()); - + GContext def_gc(menu.frame); if (m_frame_pm.drawable() == 0) { _FB_USES_NLS; cerr<<"FbTk::Menu: "<<_FBTKTEXT(Error, CreatePixmap, "Error creating pixmap", "Couldn't create a pixmap - image - for some reason")<<" ("<< menu.frame.window()<<", "<<menu.frame.width()<<", "<< menu.frame.height()<< ", "<<menu.frame.depth()<<") !"<<endl; - } else if (menu.sublevels > 0 && menu.persub * menu.sublevels != (int)menuitems.size()) { + } else { - // TODO: fill only that part of the menuframe with the - // pixmap/color, that has actually NO buttons on it - // ??? did I made this comment ? (fluxgen) - // if so, what am I talking about? - GContext def_gc(menu.frame); if (menu.frame_pixmap == 0) { def_gc.setForeground(theme().frameTexture().color()); m_frame_pm.fillRectangle(def_gc.gc(), 0, 0, width(), menu.frame_h); - m_real_frame_pm.fillRectangle(def_gc.gc(), - 0, 0, - width(), menu.frame_h); } else { m_frame_pm.copyArea(menu.frame_pixmap, def_gc.gc(), 0, 0, 0, 0, width(), menu.frame_h); - - m_real_frame_pm.copyArea(menu.frame_pixmap, - def_gc.gc(), - 0, 0, - 0, 0, - width(), menu.frame_h); } + } - + + m_real_frame_pm.copyArea(m_frame_pm.drawable(), + def_gc.gc(), + 0, 0, + 0, 0, + m_frame_pm.width(), m_frame_pm.height()); + } // if menu visible and title visible if (title_vis && visible) redrawTitle(); - if (active_index >= 0 && isVisible()) { - move(x(), y()); + if (active_index >= 0 || m_need_update) { + renderTransp(0, 0, m_real_frame_pm.width(), m_real_frame_pm.height()); for (unsigned int i = 0; i < menuitems.size(); i++) { if (i == (unsigned int)which_sub) { - drawItem(i, true, // highlight - true, // clear + drawItem(i, // index + true, // highlight + true, // clear false); // render_trans - } else - drawItem(i, - // high light + } else { + drawItem(i, // index + // highlight (static_cast<signed>(i) == active_index && isItemEnabled(i)), true, // clear false); // render transparent + } } - - // if (m_parent) - // m_parent->drawSubmenu(m_parent->which_sub); - /* - renderTransp(0, active_index*menu.item_h, - width(), menu.item_h); - */ - - } - - if (m_need_update) { - for (unsigned int i = 0; i < menuitems.size(); i++) { - if (i == (unsigned int)which_sub) { - drawItem(i, true, true, false); - } else - drawItem(i, (static_cast<signed>(i) == active_index && isItemEnabled(i)), true, true); - } + } m_need_update = false;@@ -633,6 +611,7 @@
void Menu::show() { if (m_need_update) update(); + menu.window.showSubwindows(); menu.window.show(); raise();@@ -644,7 +623,7 @@ shown->hide();
shown = this; } - + }@@ -707,6 +686,15 @@ }
void Menu::move(int x, int y) { + if (x == this->x() && y == this->y()) + return; + + // if we're not visible and we do transparency + // we need to update transparency when we call + // show() next time + if (alpha() < 255) + m_need_update = true; + menu.window.move(x, y); if (!isVisible())@@ -725,7 +713,7 @@ drawItem(i, false, // highlight
true, // clear false); // transparent } - + m_need_update = false; } }@@ -962,18 +950,20 @@ }
} - if (render_trans) + if (render_trans) { renderTransp(item_x, item_y, width(), theme().itemHeight()); + } item->draw(m_real_frame_pm, theme(), highlight, item_x, item_y, menu.item_w, theme().itemHeight()); - if (clear) + if (clear) { menu.frame.clearArea(item_x, item_y, menu.item_w, theme().itemHeight(), False); + } return item_y;@@ -1072,7 +1062,22 @@ void Menu::buttonReleaseEvent(XButtonEvent &re) {
if (re.window == menu.title) { if (moving) { moving = false; - move(x(), y()); + + if (which_sub != -1) + drawSubmenu(which_sub); + + if (alpha() < 255) { + redrawTitle(); + menu.title.clear(); + renderTransp(0, 0, + m_real_frame_pm.width(), m_real_frame_pm.height()); + for (size_t i=0; i < menuitems.size(); ++i) { + drawItem(i, false, // highlight + true, // clear + false); // transparent + } + + } } if (re.x >= 0 && re.x <= (signed) width() &&@@ -1196,54 +1201,8 @@ void Menu::exposeEvent(XExposeEvent &ee) {
if (ee.window == menu.title) { redrawTitle(); menu.title.clearArea(ee.x, ee.y, ee.width, ee.height); - } else if (ee.window == menu.frame) { - - if (moving) { - menu.frame.clearArea(ee.x, ee.y, ee.width, ee.height); - return; - } - - // this is a compilicated algorithm... lets do it step by step... - // first... we see in which sub level the expose starts... and how many - // items down in that sublevel - - // Simon was here :-) I think this all makes much more sense when - // we rename sbl to "start_col", sbl_d to "end_col", ditto id -> row - // a "sublevel" is basically a column in a multi-column menu (e.g. placement) - - if (menu.item_w == 0) - menu.item_w = 1; - - unsigned int - start_column = (ee.x / menu.item_w), - end_column = ((ee.x + ee.width) / menu.item_w), - start_row = (ee.y / theme().itemHeight()), - end_row = ((ee.y + ee.height) / theme().itemHeight()); - if (static_cast<signed>(end_row) > menu.persub) - end_row = menu.persub; - - // draw the sublevels and the number of items the exposure spans - unsigned int col, row; - int max_y = 0; - for (col = start_column; col <= end_column; col++) { - // set the iterator to the first item in the column needing redrawing - unsigned int index = start_row + col * menu.persub; - if (index < menuitems.size()) { - Menuitems::iterator it = menuitems.begin() + index; - Menuitems::iterator it_end = menuitems.end(); - for (row = start_row; row <= end_row && it != it_end; ++it, row++) { - unsigned int index = row + (col * menu.persub); - max_y = max(drawItem(index, - (which_sub == static_cast<signed>(index)), // highlight - false, // clear - true), max_y); // render trans - } - } - } - + } else if (ee.window == menu.frame) menu.frame.clearArea(ee.x, ee.y, ee.width, ee.height); - - } }@@ -1375,6 +1334,7 @@ menu.title.setBorderWidth(theme().borderWidth());
update(); + }@@ -1424,10 +1384,8 @@
void Menu::renderTransp(int x, int y, unsigned int width, unsigned int height) { - // no need to render transparent unless visible - if (!isVisible()) - return; - + // even though we dont render transparency + // we do need to copy the style background GContext def_gc(menu.frame); m_real_frame_pm.copyArea(m_frame_pm.drawable(), def_gc.gc(),@@ -1435,9 +1393,14 @@ x, y,
x, y, width, height); - if (m_transp.get() == 0) + // no need to render transparent unless visible + // but we do need to render it if we marked it as + // need update + if (!isVisible() && !m_need_update || m_transp.get() == 0) return; - + + + // render the root background #ifdef HAVE_XRENDER Pixmap root = getRootPixmap(screenNumber());