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/* |
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* Copyright (C) 2006, 2007 Andreas Persson |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2, or (at |
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* your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with program; see the file COPYING. If not, write to the Free |
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
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* 02110-1301 USA. |
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*/ |
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|
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#include "dimregionchooser.h" |
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#include <gdkmm/cursor.h> |
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|
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DimRegionChooser::DimRegionChooser() |
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{ |
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// get_window() would return 0 because the Gdk::Window has not yet been realized |
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// So we can only allocate the colors here - the rest will happen in on_realize(). |
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Glib::RefPtr<Gdk::Colormap> colormap = get_default_colormap(); |
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|
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black = Gdk::Color("black"); |
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white = Gdk::Color("white"); |
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red = Gdk::Color("#8070ff"); |
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blue = Gdk::Color("blue"); |
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green = Gdk::Color("green"); |
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|
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colormap->alloc_color(black); |
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colormap->alloc_color(white); |
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colormap->alloc_color(red); |
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colormap->alloc_color(blue); |
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colormap->alloc_color(green); |
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instrument = 0; |
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region = 0; |
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dimregno = -1; |
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focus_line = 0; |
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resize.active = false; |
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cursor_is_resize = false; |
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h = 20; |
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w = 800; |
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set_flags(Gtk::CAN_FOCUS); |
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add_events(Gdk::BUTTON_PRESS_MASK | Gdk::POINTER_MOTION_MASK | |
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Gdk::POINTER_MOTION_HINT_MASK); |
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|
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for (int i = 0 ; i < 256 ; i++) { |
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dimvalue_from[i] = 0; |
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dimvalue_to[i] = 1; |
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} |
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} |
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|
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DimRegionChooser::~DimRegionChooser() |
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{ |
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} |
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|
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void DimRegionChooser::on_realize() |
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{ |
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// We need to call the base on_realize() |
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Gtk::DrawingArea::on_realize(); |
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|
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// Now we can allocate any additional resources we need |
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Glib::RefPtr<Gdk::Window> window = get_window(); |
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gc = Gdk::GC::create(window); |
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} |
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|
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bool DimRegionChooser::on_expose_event(GdkEventExpose* event) |
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{ |
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if (!region) return true; |
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|
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// This is where we draw on the window |
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Glib::RefPtr<Gdk::Window> window = get_window(); |
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Glib::RefPtr<Pango::Context> context = get_pango_context(); |
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|
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Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(context); |
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|
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window->clear(); |
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int y = 0; |
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double maxwidth = 0; |
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for (int i = 0 ; i < region->Dimensions ; i++) { |
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|
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int nbZones = region->pDimensionDefinitions[i].zones; |
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if (nbZones) { |
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char* dstr; |
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char dstrbuf[10]; |
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switch (region->pDimensionDefinitions[i].dimension) { |
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case gig::dimension_none: dstr="none"; break; |
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case gig::dimension_samplechannel: dstr="samplechannel"; break; |
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case gig::dimension_layer: dstr="layer"; break; |
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case gig::dimension_velocity: dstr="velocity"; break; |
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case gig::dimension_channelaftertouch: dstr="channelaftertouch"; break; |
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case gig::dimension_releasetrigger: dstr="releasetrigger"; break; |
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case gig::dimension_keyboard: dstr="keyboard"; break; |
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case gig::dimension_roundrobin: dstr="roundrobin"; break; |
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case gig::dimension_random: dstr="random"; break; |
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case gig::dimension_smartmidi: dstr="smartmidi"; break; |
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case gig::dimension_roundrobinkeyboard: dstr="roundrobinkeyboard"; break; |
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case gig::dimension_modwheel: dstr="modwheel"; break; |
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case gig::dimension_breath: dstr="breath"; break; |
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case gig::dimension_foot: dstr="foot"; break; |
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case gig::dimension_portamentotime: dstr="portamentotime"; break; |
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case gig::dimension_effect1: dstr="effect1"; break; |
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case gig::dimension_effect2: dstr="effect2"; break; |
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case gig::dimension_genpurpose1: dstr="genpurpose1"; break; |
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case gig::dimension_genpurpose2: dstr="genpurpose2"; break; |
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case gig::dimension_genpurpose3: dstr="genpurpose3"; break; |
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case gig::dimension_genpurpose4: dstr="genpurpose4"; break; |
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case gig::dimension_sustainpedal: dstr="sustainpedal"; break; |
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case gig::dimension_portamento: dstr="portamento"; break; |
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case gig::dimension_sostenutopedal: dstr="sostenutopedal"; break; |
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case gig::dimension_softpedal: dstr="softpedal"; break; |
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case gig::dimension_genpurpose5: dstr="genpurpose5"; break; |
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case gig::dimension_genpurpose6: dstr="genpurpose6"; break; |
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case gig::dimension_genpurpose7: dstr="genpurpose7"; break; |
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case gig::dimension_genpurpose8: dstr="genpurpose8"; break; |
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case gig::dimension_effect1depth: dstr="effect1depth"; break; |
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case gig::dimension_effect2depth: dstr="effect2depth"; break; |
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case gig::dimension_effect3depth: dstr="effect3depth"; break; |
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case gig::dimension_effect4depth: dstr="effect4depth"; break; |
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case gig::dimension_effect5depth: dstr="effect5depth"; break; |
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default: |
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sprintf(dstrbuf, "%d", |
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region->pDimensionDefinitions[i].dimension); |
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dstr = dstrbuf; |
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break; |
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} |
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layout->set_text(dstr); |
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|
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Pango::Rectangle rectangle = layout->get_logical_extents(); |
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double text_w = double(rectangle.get_width()) / Pango::SCALE; |
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if (text_w > maxwidth) maxwidth = text_w; |
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double text_h = double(rectangle.get_height()) / Pango::SCALE; |
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Glib::RefPtr<const Gdk::GC> fg = get_style()->get_fg_gc(get_state()); |
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window->draw_layout(fg, 4, int(y + (h - text_h) / 2 + 0.5), layout); |
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|
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} |
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y += h; |
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} |
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y = 0; |
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int bitpos = 0; |
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label_width = int(maxwidth + 10); |
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for (int i = 0 ; i < region->Dimensions ; i++) { |
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int nbZones = region->pDimensionDefinitions[i].zones; |
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if (nbZones) { |
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|
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if (has_focus() && focus_line == i) { |
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Gdk::Rectangle farea(0, y, 150, 20); |
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get_style()->paint_focus(window, get_state(), farea, *this, "", |
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0, y, label_width, 20); |
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} |
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|
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Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
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window->draw_line(black, label_width, y, w - 1, y); |
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window->draw_line(black, w - 1, y + h - 1, label_width, y + h - 1); |
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window->draw_rectangle(get_style()->get_white_gc(), true, |
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label_width + 1, y + 1, (w - label_width - 2), h - 2); |
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|
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int c = 0; |
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if (dimregno >= 0) { |
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int mask = ~(((1 << region->pDimensionDefinitions[i].bits) - 1) << bitpos); |
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c = dimregno & mask; // mask away this dimension |
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} |
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bool customsplits = |
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((region->pDimensionDefinitions[i].split_type == gig::split_type_normal && |
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region->pDimensionRegions[c]->DimensionUpperLimits[i]) || |
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(region->pDimensionDefinitions[i].dimension == gig::dimension_velocity && |
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region->pDimensionRegions[c]->VelocityUpperLimit)); |
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|
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if (customsplits) { |
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window->draw_line(black, label_width, y + 1, label_width, y + h - 2); |
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for (int j = 0 ; j < nbZones ; j++) { |
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gig::DimensionRegion *d = region->pDimensionRegions[c + (j << bitpos)]; |
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int upperLimit = d->DimensionUpperLimits[i]; |
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if (!upperLimit) upperLimit = d->VelocityUpperLimit; |
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int v = upperLimit + 1; |
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int x = int((w - label_width - 1) * v / 128.0 + 0.5); |
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window->draw_line(black, label_width + x, y + 1, label_width + x, y + h - 2); |
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} |
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} else { |
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for (int j = 0 ; j <= nbZones ; j++) { |
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int x = int((w - label_width - 1) * j / double(nbZones) + 0.5); |
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window->draw_line(black, label_width + x, y + 1, label_width + x, y + h - 2); |
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} |
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} |
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|
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if (dimregno >= 0) { |
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gc->set_foreground(red); |
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int dr = (dimregno >> bitpos) & ((1 << region->pDimensionDefinitions[i].bits) - 1); |
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if (customsplits) { |
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int x1 = 0; |
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for (int j = 0 ; j < nbZones ; j++) { |
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gig::DimensionRegion *d = region->pDimensionRegions[c + (j << bitpos)]; |
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int upperLimit = d->DimensionUpperLimits[i]; |
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if (!upperLimit) upperLimit = d->VelocityUpperLimit; |
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int v = upperLimit + 1; |
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int x2 = int((w - label_width - 1) * v / 128.0 + 0.5); |
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if (j == dr && x1 < x2) { |
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window->draw_rectangle(gc, true, label_width + x1 + 1, y + 1, |
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(x2 - x1) - 1, h - 2); |
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break; |
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} |
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x1 = x2; |
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} |
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} else { |
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if (dr < nbZones) { |
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int x1 = int((w - label_width - 1) * dr / double(nbZones) + 0.5); |
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int x2 = int((w - label_width - 1) * (dr + 1) / double(nbZones) + 0.5); |
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window->draw_rectangle(gc, true, label_width + x1 + 1, y + 1, |
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(x2 - x1) - 1, h - 2); |
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} |
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} |
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} |
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|
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y += h; |
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} |
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bitpos += region->pDimensionDefinitions[i].bits; |
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} |
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|
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return true; |
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} |
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|
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void DimRegionChooser::on_size_request(GtkRequisition* requisition) |
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{ |
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printf("DimRegionChooser::on_size_request\n"); |
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*requisition = GtkRequisition(); |
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requisition->height = region ? nbDimensions * 20 : 0; |
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requisition->width = 800; |
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} |
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|
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void DimRegionChooser::set_region(gig::Region* region) |
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{ |
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this->region = region; |
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dimregno = 0; |
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nbDimensions = 0; |
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if (region) { |
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int bitcount = 0; |
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for (int dim = 0 ; dim < region->Dimensions ; dim++) { |
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if (region->pDimensionDefinitions[dim].bits == 0) continue; |
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nbDimensions++; |
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|
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int from = dimvalue_from[region->pDimensionDefinitions[dim].dimension]; |
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int to = dimvalue_to[region->pDimensionDefinitions[dim].dimension]; |
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int z; |
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switch (region->pDimensionDefinitions[dim].split_type) { |
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case gig::split_type_normal: |
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z = int((to + from) / 2.0 / region->pDimensionDefinitions[dim].zone_size); |
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break; |
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case gig::split_type_bit: |
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z = std::min(from, region->pDimensionDefinitions[dim].zones - 1); |
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break; |
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} |
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int mask = |
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~(((1 << region->pDimensionDefinitions[dim].bits) - 1) << |
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bitcount); |
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dimregno &= mask; |
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dimregno |= (z << bitcount); |
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bitcount += region->pDimensionDefinitions[dim].bits; |
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} |
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dimreg = region->pDimensionRegions[dimregno]; |
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} else { |
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dimreg = 0; |
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} |
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sel_changed_signal.emit(); |
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queue_resize(); |
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} |
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|
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bool DimRegionChooser::on_button_release_event(GdkEventButton* event) |
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{ |
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if (resize.active) { |
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get_window()->pointer_ungrab(event->time); |
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resize.active = false; |
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|
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if (region->pDimensionDefinitions[resize.dimension].dimension == gig::dimension_velocity) { |
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|
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int bitpos = 0; |
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for (int j = 0 ; j < resize.dimension ; j++) { |
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bitpos += region->pDimensionDefinitions[j].bits; |
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} |
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int mask = |
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~(((1 << region->pDimensionDefinitions[resize.dimension].bits) - 1) << bitpos); |
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int c = dimregno & mask; // mask away this dimension |
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|
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gig::DimensionRegion *d = region->pDimensionRegions[c + resize.offset]; |
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if (d->DimensionUpperLimits[resize.dimension]) { |
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d->DimensionUpperLimits[resize.dimension] = resize.pos - 1; |
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} else { |
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d->VelocityUpperLimit = resize.pos - 1; |
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} |
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|
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} else { |
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for (int i = 0 ; i < region->DimensionRegions ; ) { |
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|
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gig::DimensionRegion *d = region->pDimensionRegions[i + resize.offset]; |
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d->DimensionUpperLimits[resize.dimension] = resize.pos - 1; |
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|
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int bitpos = 0; |
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int j; |
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for (j = 0 ; j < region->Dimensions ; j++) { |
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if (j != resize.dimension) { |
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int maxzones = 1 << region->pDimensionDefinitions[j].bits; |
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int dimj = (i >> bitpos) & (maxzones - 1); |
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if (dimj + 1 < region->pDimensionDefinitions[j].zones) break; |
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} |
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bitpos += region->pDimensionDefinitions[j].bits; |
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} |
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if (j == region->Dimensions) break; |
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i = (i & ~((1 << bitpos) - 1)) + (1 << bitpos); |
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} |
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} |
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|
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if (!is_in_resize_zone(event->x, event->y) && cursor_is_resize) { |
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get_window()->set_cursor(); |
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cursor_is_resize = false; |
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} |
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} |
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return true; |
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} |
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|
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bool DimRegionChooser::on_button_press_event(GdkEventButton* event) |
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{ |
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if (region && event->y < nbDimensions * h && |
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event->x >= label_width && event->x < w) { |
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|
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if (is_in_resize_zone(event->x, event->y)) { |
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Gdk::Cursor double_arrow(Gdk::SB_H_DOUBLE_ARROW); |
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get_window()->pointer_grab(false, |
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Gdk::BUTTON_RELEASE_MASK | |
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Gdk::POINTER_MOTION_MASK | |
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Gdk::POINTER_MOTION_HINT_MASK, |
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double_arrow, event->time); |
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resize.active = true; |
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} else { |
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int ydim = int(event->y / h); |
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int dim; |
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for (dim = 0 ; dim < region->Dimensions ; dim++) { |
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if (region->pDimensionDefinitions[dim].bits == 0) continue; |
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if (ydim == 0) break; |
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ydim--; |
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} |
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int nbZones = region->pDimensionDefinitions[dim].zones; |
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|
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int z = -1; |
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int bitpos = 0; |
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for (int i = 0 ; i < dim ; i++) { |
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bitpos += region->pDimensionDefinitions[i].bits; |
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} |
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|
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int i = dim; |
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if (dimregno < 0) dimregno = 0; |
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int mask = ~(((1 << region->pDimensionDefinitions[i].bits) - 1) << bitpos); |
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int c = dimregno & mask; // mask away this dimension |
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|
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bool customsplits = |
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((region->pDimensionDefinitions[i].split_type == gig::split_type_normal && |
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region->pDimensionRegions[c]->DimensionUpperLimits[i]) || |
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(region->pDimensionDefinitions[i].dimension == gig::dimension_velocity && |
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region->pDimensionRegions[c]->VelocityUpperLimit)); |
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if (customsplits) { |
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int val = int((event->x - label_width) * 128 / (w - label_width - 1)); |
365 |
|
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if (region->pDimensionRegions[c]->DimensionUpperLimits[i]) { |
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for (z = 0 ; z < nbZones ; z++) { |
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gig::DimensionRegion *d = region->pDimensionRegions[c + (z << bitpos)]; |
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if (val <= d->DimensionUpperLimits[i]) break; |
370 |
} |
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} else { |
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for (z = 0 ; z < nbZones ; z++) { |
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gig::DimensionRegion *d = region->pDimensionRegions[c + (z << bitpos)]; |
374 |
if (val <= d->VelocityUpperLimit) break; |
375 |
} |
376 |
} |
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} else { |
378 |
z = int((event->x - label_width) * nbZones / (w - label_width - 1)); |
379 |
} |
380 |
|
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printf("dim=%d z=%d dimensionsource=%d split_type=%d zones=%d zone_size=%f\n", dim, z, |
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region->pDimensionDefinitions[dim].dimension, |
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region->pDimensionDefinitions[dim].split_type, |
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region->pDimensionDefinitions[dim].zones, |
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region->pDimensionDefinitions[dim].zone_size); |
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#if 0 |
387 |
switch (region->pDimensionDefinitions[dim].split_type) { |
388 |
case gig::split_type_normal: |
389 |
dimvalue_from[region->pDimensionDefinitions[dim].dimension] = |
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int(z * region->pDimensionDefinitions[dim].zone_size); |
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dimvalue_to[region->pDimensionDefinitions[dim].dimension] = |
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int((z + 1) * region->pDimensionDefinitions[dim].zone_size) - 1; |
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break; |
394 |
case gig::split_type_bit: |
395 |
dimvalue_from[region->pDimensionDefinitions[dim].dimension] = z; |
396 |
dimvalue_to[region->pDimensionDefinitions[dim].dimension] = z + 1; |
397 |
break; |
398 |
} |
399 |
#endif |
400 |
|
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dimregno = c | (z << bitpos); |
402 |
|
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focus_line = dim; |
404 |
if (has_focus()) queue_draw(); |
405 |
else grab_focus(); |
406 |
dimreg = region->pDimensionRegions[dimregno]; |
407 |
sel_changed_signal.emit(); |
408 |
} |
409 |
} |
410 |
return true; |
411 |
} |
412 |
|
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bool DimRegionChooser::on_motion_notify_event(GdkEventMotion* event) |
414 |
{ |
415 |
Glib::RefPtr<Gdk::Window> window = get_window(); |
416 |
int x, y; |
417 |
Gdk::ModifierType state = Gdk::ModifierType(0); |
418 |
window->get_pointer(x, y, state); |
419 |
|
420 |
if (resize.active) { |
421 |
int k = int((x - label_width) * 128.0 / (w - label_width - 1) + 0.5); |
422 |
|
423 |
if (k < resize.min) k = resize.min; |
424 |
else if (k > resize.max) k = resize.max; |
425 |
|
426 |
if (k < 2) k = 2; // k is upper limit + 1, upper limit 0 is forbidden |
427 |
|
428 |
if (k != resize.pos) { |
429 |
Glib::RefPtr<const Gdk::GC> black = get_style()->get_black_gc(); |
430 |
Glib::RefPtr<const Gdk::GC> white = get_style()->get_white_gc(); |
431 |
|
432 |
int prevx = int((w - label_width - 1) * resize.pos / 128.0 + 0.5) + label_width; |
433 |
int x = int((w - label_width - 1) * k / 128.0 + 0.5) + label_width; |
434 |
int y = resize.dimension * h; |
435 |
|
436 |
if (resize.selected == resize.none) { |
437 |
if (resize.pos != resize.min && resize.pos != resize.max) { |
438 |
window->draw_line(white, prevx, y + 1, prevx, y + h - 2); |
439 |
} |
440 |
} else { |
441 |
gc->set_foreground(red); |
442 |
|
443 |
Glib::RefPtr<const Gdk::GC> left; |
444 |
Glib::RefPtr<const Gdk::GC> right; |
445 |
if (resize.selected == resize.left) { |
446 |
left = gc; |
447 |
right = white; |
448 |
} else { |
449 |
left = white; |
450 |
right = gc; |
451 |
} |
452 |
|
453 |
if (k > resize.pos) { |
454 |
int xx = resize.pos == resize.min ? 1 : 0; |
455 |
window->draw_rectangle(left, true, |
456 |
prevx + xx, y + 1, x - prevx - xx, h - 2); |
457 |
} else { |
458 |
int xx = resize.pos == resize.max ? 0 : 1; |
459 |
window->draw_rectangle(right, true, |
460 |
x, y + 1, prevx - x + xx, h - 2); |
461 |
} |
462 |
} |
463 |
window->draw_line(black, x, y + 1, x, y + h - 2); |
464 |
resize.pos = k; |
465 |
} |
466 |
} else { |
467 |
if (is_in_resize_zone(x, y)) { |
468 |
if (!cursor_is_resize) { |
469 |
Gdk::Cursor double_arrow(Gdk::SB_H_DOUBLE_ARROW); |
470 |
window->set_cursor(double_arrow); |
471 |
cursor_is_resize = true; |
472 |
} |
473 |
} else if (cursor_is_resize) { |
474 |
window->set_cursor(); |
475 |
cursor_is_resize = false; |
476 |
} |
477 |
} |
478 |
return true; |
479 |
} |
480 |
|
481 |
bool DimRegionChooser::is_in_resize_zone(double x, double y) |
482 |
{ |
483 |
if (region && y < nbDimensions * h && x >= label_width && x < w) { |
484 |
int ydim = int(y / h); |
485 |
int dim; |
486 |
int bitpos = 0; |
487 |
for (dim = 0 ; dim < region->Dimensions ; dim++) { |
488 |
if (region->pDimensionDefinitions[dim].bits == 0) continue; |
489 |
if (ydim == 0) break; |
490 |
ydim--; |
491 |
bitpos += region->pDimensionDefinitions[dim].bits; |
492 |
} |
493 |
int nbZones = region->pDimensionDefinitions[dim].zones; |
494 |
|
495 |
int c = 0; |
496 |
if (dimregno >= 0) { |
497 |
int mask = ~(((1 << region->pDimensionDefinitions[dim].bits) - 1) << bitpos); |
498 |
c = dimregno & mask; // mask away this dimension |
499 |
} |
500 |
bool customsplits = |
501 |
((region->pDimensionDefinitions[dim].split_type == gig::split_type_normal && |
502 |
region->pDimensionRegions[c]->DimensionUpperLimits[dim]) || |
503 |
(region->pDimensionDefinitions[dim].dimension == gig::dimension_velocity && |
504 |
region->pDimensionRegions[c]->VelocityUpperLimit)); |
505 |
|
506 |
if (customsplits) { |
507 |
int prev_limit = 0; |
508 |
for (int j = 0 ; j < nbZones - 1 ; j++) { |
509 |
gig::DimensionRegion *d = region->pDimensionRegions[c + (j << bitpos)]; |
510 |
int upperLimit = d->DimensionUpperLimits[dim]; |
511 |
if (!upperLimit) upperLimit = d->VelocityUpperLimit; |
512 |
int limit = upperLimit + 1; |
513 |
int limitx = int((w - label_width - 1) * limit / 128.0 + 0.5) + label_width; |
514 |
|
515 |
if (x <= limitx - 2) break; |
516 |
if (x <= limitx + 2) { |
517 |
resize.dimension = dim; |
518 |
resize.offset = j << bitpos; |
519 |
resize.pos = limit; |
520 |
resize.min = prev_limit; |
521 |
|
522 |
int dr = (dimregno >> bitpos) & |
523 |
((1 << region->pDimensionDefinitions[dim].bits) - 1); |
524 |
resize.selected = dr == j ? resize.left : |
525 |
dr == j + 1 ? resize.right : resize.none; |
526 |
|
527 |
j++; |
528 |
gig::DimensionRegion *d = region->pDimensionRegions[c + (j << bitpos)]; |
529 |
int upperLimit = d->DimensionUpperLimits[dim]; |
530 |
if (!upperLimit) upperLimit = d->VelocityUpperLimit; |
531 |
int limit = upperLimit + 1; |
532 |
resize.max = limit; |
533 |
return true; |
534 |
} |
535 |
prev_limit = limit; |
536 |
} |
537 |
} |
538 |
} |
539 |
return false; |
540 |
} |
541 |
|
542 |
sigc::signal<void> DimRegionChooser::signal_sel_changed() |
543 |
{ |
544 |
return sel_changed_signal; |
545 |
} |
546 |
|
547 |
bool DimRegionChooser::on_focus(Gtk::DirectionType direction) |
548 |
{ |
549 |
// TODO: kolla att region finns osv, dvs att det g�r att s�tta |
550 |
// fokus. |
551 |
if (direction == Gtk::DIR_TAB_FORWARD || |
552 |
direction == Gtk::DIR_DOWN) { |
553 |
if (!has_focus()) { |
554 |
focus_line = 0; |
555 |
grab_focus(); |
556 |
return true; |
557 |
} else { |
558 |
if (focus_line + 1 < region->Dimensions) { |
559 |
focus_line++; |
560 |
queue_draw(); |
561 |
return true; |
562 |
} else { |
563 |
return false; |
564 |
} |
565 |
} |
566 |
} else if (direction == Gtk::DIR_TAB_BACKWARD || |
567 |
direction == Gtk::DIR_UP) { |
568 |
if (!has_focus()) { |
569 |
focus_line = region->Dimensions - 1; |
570 |
grab_focus(); |
571 |
return true; |
572 |
} else { |
573 |
if (focus_line > 0) { |
574 |
focus_line--; |
575 |
queue_draw(); |
576 |
return true; |
577 |
} else { |
578 |
return false; |
579 |
} |
580 |
} |
581 |
} else if (!has_focus()) { |
582 |
// TODO: kolla att focus_line finns! |
583 |
grab_focus(); |
584 |
return true; |
585 |
} else { |
586 |
// TODO: �ka eller minska v�rde! |
587 |
} |
588 |
} |