[53] | 1 | #include "graph_displayer_canvas.h" |
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[59] | 2 | #include <cmath> |
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[27] | 3 | |
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| 4 | |
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| 5 | bool GraphDisplayerCanvas::on_expose_event(GdkEventExpose *event) |
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| 6 | { |
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| 7 | Gnome::Canvas::CanvasAA::on_expose_event(event); |
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| 8 | //usleep(10000); |
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| 9 | //rezoom(); |
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| 10 | return true; |
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| 11 | } |
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| 12 | |
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| 13 | void GraphDisplayerCanvas::changeEditorialTool(int newtool) |
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| 14 | { |
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[34] | 15 | if(actual_tool!=newtool) |
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| 16 | { |
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[27] | 17 | |
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[34] | 18 | actual_handler.disconnect(); |
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[27] | 19 | |
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[34] | 20 | switch(actual_tool) |
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| 21 | { |
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| 22 | case CREATE_EDGE: |
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| 23 | { |
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| 24 | GdkEvent * generated=new GdkEvent(); |
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| 25 | generated->type=GDK_BUTTON_RELEASE; |
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| 26 | generated->button.button=3; |
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| 27 | createEdgeEventHandler(generated); |
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| 28 | break; |
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| 29 | } |
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[149] | 30 | case MAP_EDIT: |
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[35] | 31 | { |
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| 32 | break; |
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| 33 | } |
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[34] | 34 | default: |
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| 35 | break; |
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| 36 | } |
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[27] | 37 | |
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[34] | 38 | active_item=NULL; |
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| 39 | target_item=NULL; |
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| 40 | active_edge=INVALID; |
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| 41 | active_node=INVALID; |
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[33] | 42 | |
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[27] | 43 | |
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[34] | 44 | actual_tool=newtool; |
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| 45 | |
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| 46 | switch(newtool) |
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| 47 | { |
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| 48 | case MOVE: |
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| 49 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::moveEventHandler), false); |
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| 50 | break; |
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[27] | 51 | |
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[34] | 52 | case CREATE_NODE: |
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| 53 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::createNodeEventHandler), false); |
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| 54 | break; |
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[27] | 55 | |
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[34] | 56 | case CREATE_EDGE: |
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| 57 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::createEdgeEventHandler), false); |
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| 58 | break; |
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[27] | 59 | |
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[34] | 60 | case ERASER: |
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| 61 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::eraserEventHandler), false); |
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| 62 | break; |
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[32] | 63 | |
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[149] | 64 | case MAP_EDIT: |
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[34] | 65 | grab_focus(); |
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[149] | 66 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::mapEditEventHandler), false); |
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[34] | 67 | break; |
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| 68 | |
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| 69 | default: |
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| 70 | break; |
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| 71 | } |
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[27] | 72 | } |
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| 73 | } |
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| 74 | |
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[30] | 75 | int GraphDisplayerCanvas::getActualTool() |
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[27] | 76 | { |
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| 77 | return actual_tool; |
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| 78 | } |
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| 79 | |
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[30] | 80 | bool GraphDisplayerCanvas::moveEventHandler(GdkEvent* e) |
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[27] | 81 | { |
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[70] | 82 | static Gnome::Canvas::Text *coord_text = 0; |
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[27] | 83 | switch(e->type) |
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[160] | 84 | { |
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[27] | 85 | case GDK_BUTTON_PRESS: |
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| 86 | //we mark the location of the event to be able to calculate parameters of dragging |
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[31] | 87 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
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[160] | 88 | |
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[31] | 89 | active_item=(get_item_at(clicked_x, clicked_y)); |
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[27] | 90 | active_node=INVALID; |
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[96] | 91 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
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[27] | 92 | { |
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| 93 | if(nodesmap[i]==active_item) |
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| 94 | { |
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| 95 | active_node=i; |
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| 96 | } |
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| 97 | } |
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[148] | 98 | isbutton=e->button.button; |
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[27] | 99 | break; |
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| 100 | case GDK_BUTTON_RELEASE: |
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[70] | 101 | if (coord_text) |
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[160] | 102 | { |
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| 103 | delete coord_text; |
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| 104 | coord_text = 0; |
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| 105 | } |
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[27] | 106 | isbutton=0; |
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| 107 | active_item=NULL; |
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| 108 | active_node=INVALID; |
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| 109 | break; |
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| 110 | case GDK_MOTION_NOTIFY: |
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| 111 | //we only have to do sg. if the mouse button is pressed AND the click was on a node that was found in the set of nodes |
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| 112 | if(active_node!=INVALID) |
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[160] | 113 | { |
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| 114 | (mytab.mapstorage).modified = true; |
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| 115 | |
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| 116 | //new coordinates will be the old values, |
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| 117 | //because the item will be moved to the |
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| 118 | //new coordinate therefore the new movement |
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| 119 | //has to be calculated from here |
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| 120 | |
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| 121 | double new_x, new_y; |
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| 122 | |
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| 123 | window_to_world (e->motion.x, e->motion.y, new_x, new_y); |
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| 124 | |
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| 125 | double dx=new_x-clicked_x; |
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| 126 | double dy=new_y-clicked_y; |
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| 127 | |
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| 128 | moveNode(dx, dy); |
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[70] | 129 | |
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[160] | 130 | clicked_x=new_x; |
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| 131 | clicked_y=new_y; |
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[27] | 132 | |
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[160] | 133 | // reposition the coordinates text |
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| 134 | std::ostringstream ostr; |
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| 135 | ostr << "(" << |
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| 136 | (mytab.mapstorage).coords[active_node].x << ", " << |
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| 137 | (mytab.mapstorage).coords[active_node].y << ")"; |
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| 138 | double radius = |
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| 139 | (nodesmap[active_node]->property_x2().get_value() - |
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| 140 | nodesmap[active_node]->property_x1().get_value()) / 2.0; |
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| 141 | if (coord_text) |
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| 142 | { |
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| 143 | coord_text->property_text().set_value(ostr.str()); |
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| 144 | coord_text->property_x().set_value((mytab.mapstorage).coords[active_node].x + |
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| 145 | radius); |
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| 146 | coord_text->property_y().set_value((mytab.mapstorage).coords[active_node].y - |
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| 147 | radius); |
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| 148 | } |
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| 149 | else |
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| 150 | { |
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| 151 | coord_text = new Gnome::Canvas::Text( |
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| 152 | displayed_graph, |
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| 153 | (mytab.mapstorage).coords[active_node].x + radius, |
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| 154 | (mytab.mapstorage).coords[active_node].y - radius, |
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| 155 | ostr.str()); |
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| 156 | coord_text->property_fill_color().set_value("black"); |
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| 157 | coord_text->property_anchor().set_value(Gtk::ANCHOR_SOUTH_WEST); |
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| 158 | } |
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[31] | 159 | |
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| 160 | |
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[160] | 161 | } |
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| 162 | default: break; |
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| 163 | } |
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[27] | 164 | |
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[160] | 165 | return false; |
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[27] | 166 | } |
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| 167 | |
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[148] | 168 | XY GraphDisplayerCanvas::calcArrowPos(XY moved_node_1, XY moved_node_2, XY fix_node, XY old_arrow_pos, int move_code) |
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[98] | 169 | { |
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[148] | 170 | switch(move_code) |
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| 171 | { |
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| 172 | case 1: |
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| 173 | return XY((moved_node_2.x + fix_node.x) / 2.0, (moved_node_2.y + fix_node.y) / 2.0); |
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| 174 | break; |
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| 175 | case 2: |
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| 176 | return old_arrow_pos; |
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| 177 | break; |
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| 178 | case 3: |
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| 179 | { |
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| 180 | ////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 181 | /////////// keeps shape-with scalar multiplication - version 2. |
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| 182 | ////////////////////////////////////////////////////////////////////////////////////////////////////// |
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[98] | 183 | |
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[148] | 184 | //old vector from one to the other node - a |
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[150] | 185 | XY a_v(moved_node_1.x-fix_node.x,moved_node_1.y-fix_node.y); |
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[148] | 186 | //new vector from one to the other node - b |
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[150] | 187 | XY b_v(moved_node_2.x-fix_node.x,moved_node_2.y-fix_node.y); |
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[98] | 188 | |
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[148] | 189 | double absa=sqrt(a_v.normSquare()); |
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| 190 | double absb=sqrt(b_v.normSquare()); |
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[98] | 191 | |
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[148] | 192 | if ((absa == 0.0) || (absb == 0.0)) |
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| 193 | { |
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| 194 | return old_arrow_pos; |
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| 195 | } |
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| 196 | else |
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| 197 | { |
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| 198 | //old vector from one node to the breakpoint - c |
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[150] | 199 | XY c_v(old_arrow_pos.x-fix_node.x,old_arrow_pos.y-fix_node.y); |
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[148] | 200 | |
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| 201 | //unit vector with the same direction to a_v |
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[150] | 202 | XY a_v_u(a_v.x/absa,a_v.y/absa); |
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[148] | 203 | |
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| 204 | //normal vector of unit vector with the same direction to a_v |
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[150] | 205 | XY a_v_u_n(((-1)*a_v_u.y),a_v_u.x); |
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[148] | 206 | |
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| 207 | //unit vector with the same direction to b_v |
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[150] | 208 | XY b_v_u(b_v.x/absb,b_v.y/absb); |
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[148] | 209 | |
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| 210 | //normal vector of unit vector with the same direction to b_v |
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[150] | 211 | XY b_v_u_n(((-1)*b_v_u.y),b_v_u.x); |
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[148] | 212 | |
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| 213 | //vector c in a_v_u and a_v_u_n co-ordinate system |
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[150] | 214 | XY c_a(c_v*a_v_u,c_v*a_v_u_n); |
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[148] | 215 | |
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| 216 | //new vector from one node to the breakpoint - d - we have to calculate this one |
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[150] | 217 | XY d_v=absb/absa*(c_a.x*b_v_u+c_a.y*b_v_u_n); |
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[148] | 218 | |
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| 219 | return XY(d_v.x+fix_node.x,d_v.y+fix_node.y); |
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| 220 | } |
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| 221 | break; |
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| 222 | } |
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| 223 | default: |
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| 224 | break; |
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[98] | 225 | } |
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[148] | 226 | } |
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[98] | 227 | |
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| 228 | |
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[30] | 229 | bool GraphDisplayerCanvas::createNodeEventHandler(GdkEvent* e) |
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[27] | 230 | { |
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| 231 | switch(e->type) |
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[63] | 232 | { |
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| 233 | //move the new node |
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| 234 | case GDK_MOTION_NOTIFY: |
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| 235 | { |
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| 236 | GdkEvent * generated=new GdkEvent(); |
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| 237 | generated->motion.x=e->motion.x; |
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| 238 | generated->motion.y=e->motion.y; |
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| 239 | generated->type=GDK_MOTION_NOTIFY; |
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| 240 | moveEventHandler(generated); |
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| 241 | break; |
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| 242 | } |
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[27] | 243 | |
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[63] | 244 | case GDK_BUTTON_RELEASE: |
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[96] | 245 | (mytab.mapstorage).modified = true; |
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[53] | 246 | |
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[27] | 247 | isbutton=1; |
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| 248 | |
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[96] | 249 | active_node=(mytab.mapstorage).graph.addNode(); |
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[27] | 250 | |
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| 251 | //initiating values corresponding to new node in maps |
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| 252 | |
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| 253 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
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| 254 | |
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[63] | 255 | // update coordinates |
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[150] | 256 | (mytab.mapstorage).coords.set(active_node, XY(clicked_x, clicked_y)); |
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[63] | 257 | |
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| 258 | // update all other maps |
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| 259 | for (std::map<std::string, Graph::NodeMap<double>*>::const_iterator it = |
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[96] | 260 | (mytab.mapstorage).nodemap_storage.begin(); it != |
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| 261 | (mytab.mapstorage).nodemap_storage.end(); ++it) |
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[63] | 262 | { |
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[64] | 263 | if ((it->first != "coordinates_x") && |
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| 264 | (it->first != "coordinates_y")) |
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[63] | 265 | { |
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| 266 | (*(it->second))[active_node] = |
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[96] | 267 | (mytab.mapstorage).nodemap_default[it->first]; |
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[63] | 268 | } |
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| 269 | } |
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[64] | 270 | // increment the id map's default value |
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[134] | 271 | (mytab.mapstorage).nodemap_default["label"] += 1.0; |
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[63] | 272 | |
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[53] | 273 | nodesmap[active_node]=new Gnome::Canvas::Ellipse(displayed_graph, |
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[63] | 274 | clicked_x-20, clicked_y-20, clicked_x+20, clicked_y+20); |
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[27] | 275 | active_item=(Gnome::Canvas::Item *)(nodesmap[active_node]); |
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[63] | 276 | *(nodesmap[active_node]) << |
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| 277 | Gnome::Canvas::Properties::fill_color("blue"); |
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| 278 | *(nodesmap[active_node]) << |
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| 279 | Gnome::Canvas::Properties::outline_color("black"); |
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| 280 | active_item->raise_to_top(); |
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| 281 | |
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[27] | 282 | (nodesmap[active_node])->show(); |
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[28] | 283 | |
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[53] | 284 | nodetextmap[active_node]=new Gnome::Canvas::Text(displayed_graph, |
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[63] | 285 | clicked_x+node_property_defaults[N_RADIUS]+5, |
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| 286 | clicked_y+node_property_defaults[N_RADIUS]+5, ""); |
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[28] | 287 | nodetextmap[active_node]->property_fill_color().set_value("darkblue"); |
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[63] | 288 | nodetextmap[active_node]->raise_to_top(); |
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[28] | 289 | |
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[94] | 290 | // mapwin.updateNode(active_node); |
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| 291 | propertyUpdate(active_node); |
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[28] | 292 | |
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[27] | 293 | isbutton=0; |
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[31] | 294 | target_item=NULL; |
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[27] | 295 | active_item=NULL; |
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| 296 | active_node=INVALID; |
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| 297 | break; |
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| 298 | default: |
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| 299 | break; |
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[63] | 300 | } |
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[27] | 301 | return false; |
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| 302 | } |
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| 303 | |
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[30] | 304 | bool GraphDisplayerCanvas::createEdgeEventHandler(GdkEvent* e) |
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[27] | 305 | { |
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| 306 | switch(e->type) |
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[63] | 307 | { |
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[27] | 308 | case GDK_BUTTON_PRESS: |
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| 309 | //in edge creation right button has special meaning |
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| 310 | if(e->button.button!=3) |
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[63] | 311 | { |
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| 312 | //there is not yet selected node |
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| 313 | if(active_node==INVALID) |
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| 314 | { |
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| 315 | //we mark the location of the event to be able to calculate parameters of dragging |
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[31] | 316 | |
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[63] | 317 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
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[31] | 318 | |
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[63] | 319 | active_item=(get_item_at(clicked_x, clicked_y)); |
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| 320 | active_node=INVALID; |
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[96] | 321 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
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[63] | 322 | { |
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| 323 | if(nodesmap[i]==active_item) |
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| 324 | { |
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| 325 | active_node=i; |
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| 326 | } |
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| 327 | } |
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| 328 | //the clicked item is really a node |
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| 329 | if(active_node!=INVALID) |
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| 330 | { |
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| 331 | *(nodesmap[active_node]) << Gnome::Canvas::Properties::fill_color("red"); |
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| 332 | isbutton=1; |
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| 333 | } |
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| 334 | //clicked item was not a node. It could be e.g. edge. |
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| 335 | else |
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| 336 | { |
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| 337 | active_item=NULL; |
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| 338 | } |
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| 339 | } |
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| 340 | //we only have to do sg. if the mouse button |
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| 341 | // is pressed already once AND the click was |
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| 342 | // on a node that was found in the set of |
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| 343 | //nodes, and now we only search for the second |
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| 344 | //node |
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| 345 | else |
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| 346 | { |
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| 347 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
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| 348 | target_item=(get_item_at(clicked_x, clicked_y)); |
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| 349 | Node target_node=INVALID; |
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[96] | 350 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
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[63] | 351 | { |
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| 352 | if(nodesmap[i]==target_item) |
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| 353 | { |
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| 354 | target_node=i; |
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| 355 | } |
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| 356 | } |
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| 357 | //the clicked item is a node, the edge can be drawn |
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| 358 | if(target_node!=INVALID) |
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| 359 | { |
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[151] | 360 | (mytab.mapstorage).modified = true; |
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| 361 | |
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| 362 | *(nodesmap[target_node]) << |
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| 363 | Gnome::Canvas::Properties::fill_color("red"); |
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| 364 | |
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| 365 | //creating new edge |
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| 366 | active_edge=(mytab.mapstorage).graph.addEdge(active_node, |
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| 367 | target_node); |
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| 368 | |
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| 369 | // update maps |
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| 370 | for (std::map<std::string, |
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| 371 | Graph::EdgeMap<double>*>::const_iterator it = |
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| 372 | (mytab.mapstorage).edgemap_storage.begin(); it != |
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| 373 | (mytab.mapstorage).edgemap_storage.end(); ++it) |
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| 374 | { |
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| 375 | (*(it->second))[active_edge] = |
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| 376 | (mytab.mapstorage).edgemap_default[it->first]; |
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| 377 | } |
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| 378 | // increment the id map's default value |
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| 379 | (mytab.mapstorage).edgemap_default["label"] += 1.0; |
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| 380 | |
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[63] | 381 | if(target_node!=active_node) |
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| 382 | { |
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[113] | 383 | // set the coordinates of the arrow on the new edge |
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| 384 | MapStorage& ms = mytab.mapstorage; |
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| 385 | ms.arrow_pos.set(active_edge, |
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| 386 | (ms.coords[ms.graph.source(active_edge)] + |
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| 387 | ms.coords[ms.graph.target(active_edge)])/ 2.0); |
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| 388 | |
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[63] | 389 | //drawing new edge |
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[98] | 390 | edgesmap[active_edge]=new BrokenEdge(displayed_graph, active_edge, |
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[63] | 391 | *this); |
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| 392 | } |
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| 393 | else |
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| 394 | { |
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[151] | 395 | // set the coordinates of the arrow on the new edge |
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| 396 | MapStorage& ms = mytab.mapstorage; |
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| 397 | ms.arrow_pos.set(active_edge, |
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| 398 | (ms.coords[ms.graph.source(active_edge)] + |
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| 399 | XY(0.0, 80.0))); |
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| 400 | |
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| 401 | //drawing new edge |
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| 402 | edgesmap[active_edge]=new LoopEdge(displayed_graph, active_edge, |
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| 403 | *this); |
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[63] | 404 | } |
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[151] | 405 | |
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| 406 | //initializing edge-text as well, to empty string |
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| 407 | XY text_pos=mytab.mapstorage.arrow_pos[active_edge]; |
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| 408 | text_pos+=(XY(10,10)); |
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| 409 | |
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| 410 | edgetextmap[active_edge]=new Gnome::Canvas::Text(displayed_graph, |
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| 411 | text_pos.x, text_pos.y, ""); |
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| 412 | edgetextmap[active_edge]->property_fill_color().set_value( |
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| 413 | "darkgreen"); |
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| 414 | edgetextmap[active_edge]->raise_to_top(); |
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| 415 | |
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| 416 | propertyUpdate(active_edge); |
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[63] | 417 | } |
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| 418 | //clicked item was not a node. it could be an e.g. edge. we do not |
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| 419 | //deal with it furthermore. |
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| 420 | else |
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| 421 | { |
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| 422 | target_item=NULL; |
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| 423 | } |
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| 424 | } |
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| 425 | } |
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[27] | 426 | break; |
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| 427 | case GDK_BUTTON_RELEASE: |
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| 428 | isbutton=0; |
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| 429 | //we clear settings in two cases |
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| 430 | //1: the edge is ready (target_item has valid value) |
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| 431 | //2: the edge creation is cancelled with right button |
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| 432 | if((target_item)||(e->button.button==3)) |
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[63] | 433 | { |
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| 434 | if(active_item) |
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| 435 | { |
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| 436 | *active_item << Gnome::Canvas::Properties::fill_color("blue"); |
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| 437 | active_item=NULL; |
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| 438 | } |
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| 439 | if(target_item) |
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| 440 | { |
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| 441 | *target_item << Gnome::Canvas::Properties::fill_color("blue"); |
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| 442 | target_item=NULL; |
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| 443 | } |
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| 444 | active_node=INVALID; |
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| 445 | active_edge=INVALID; |
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| 446 | } |
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[27] | 447 | break; |
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| 448 | default: |
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| 449 | break; |
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[63] | 450 | } |
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[27] | 451 | return false; |
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| 452 | } |
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| 453 | |
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[30] | 454 | bool GraphDisplayerCanvas::eraserEventHandler(GdkEvent* e) |
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[27] | 455 | { |
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| 456 | switch(e->type) |
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| 457 | { |
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| 458 | case GDK_BUTTON_PRESS: |
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[43] | 459 | //finding the clicked items |
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[31] | 460 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
---|
| 461 | active_item=(get_item_at(clicked_x, clicked_y)); |
---|
[27] | 462 | active_node=INVALID; |
---|
| 463 | active_edge=INVALID; |
---|
[43] | 464 | //was it a node? |
---|
[96] | 465 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[27] | 466 | { |
---|
| 467 | if(nodesmap[i]==active_item) |
---|
| 468 | { |
---|
| 469 | active_node=i; |
---|
| 470 | } |
---|
| 471 | } |
---|
[43] | 472 | //or was it an edge? |
---|
[27] | 473 | if(active_node==INVALID) |
---|
| 474 | { |
---|
[96] | 475 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[27] | 476 | { |
---|
[153] | 477 | if(edgesmap[i]->getLine()==active_item) |
---|
[27] | 478 | { |
---|
| 479 | active_edge=i; |
---|
| 480 | } |
---|
| 481 | } |
---|
| 482 | } |
---|
[43] | 483 | |
---|
[129] | 484 | // return if the clicked object is neither an edge nor a node |
---|
| 485 | if (active_edge == INVALID) return false; |
---|
| 486 | |
---|
[43] | 487 | //recolor activated item |
---|
[31] | 488 | if(active_item) |
---|
| 489 | { |
---|
| 490 | *active_item << Gnome::Canvas::Properties::fill_color("red"); |
---|
| 491 | } |
---|
[27] | 492 | break; |
---|
| 493 | |
---|
| 494 | case GDK_BUTTON_RELEASE: |
---|
[31] | 495 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
---|
| 496 | if(active_item) |
---|
[27] | 497 | { |
---|
[43] | 498 | //the cursor was not moved since pressing it |
---|
[31] | 499 | if( active_item == ( get_item_at (clicked_x, clicked_y) ) ) |
---|
[27] | 500 | { |
---|
[43] | 501 | //a node was found |
---|
[31] | 502 | if(active_node!=INVALID) |
---|
| 503 | { |
---|
[96] | 504 | (mytab.mapstorage).modified = true; |
---|
[27] | 505 | |
---|
[31] | 506 | std::set<Graph::Edge> edges_to_delete; |
---|
[27] | 507 | |
---|
[96] | 508 | for(OutEdgeIt e((mytab.mapstorage).graph,active_node);e!=INVALID;++e) |
---|
[31] | 509 | { |
---|
| 510 | edges_to_delete.insert(e); |
---|
| 511 | } |
---|
[69] | 512 | |
---|
[96] | 513 | for(InEdgeIt e((mytab.mapstorage).graph,active_node);e!=INVALID;++e) |
---|
[31] | 514 | { |
---|
| 515 | edges_to_delete.insert(e); |
---|
| 516 | } |
---|
[69] | 517 | |
---|
[31] | 518 | //deleting collected edges |
---|
[69] | 519 | for(std::set<Graph::Edge>::iterator |
---|
| 520 | edge_set_it=edges_to_delete.begin(); |
---|
| 521 | edge_set_it!=edges_to_delete.end(); |
---|
| 522 | ++edge_set_it) |
---|
[31] | 523 | { |
---|
| 524 | deleteItem(*edge_set_it); |
---|
| 525 | } |
---|
| 526 | deleteItem(active_node); |
---|
| 527 | } |
---|
| 528 | //a simple edge was chosen |
---|
[129] | 529 | else if (active_edge != INVALID) |
---|
[27] | 530 | { |
---|
[31] | 531 | deleteItem(active_edge); |
---|
[27] | 532 | } |
---|
| 533 | } |
---|
[31] | 534 | //pointer was moved, deletion is cancelled |
---|
[27] | 535 | else |
---|
| 536 | { |
---|
[31] | 537 | if(active_node!=INVALID) |
---|
| 538 | { |
---|
| 539 | *active_item << Gnome::Canvas::Properties::fill_color("blue"); |
---|
| 540 | } |
---|
[129] | 541 | else if (active_edge != INVALID) |
---|
[31] | 542 | { |
---|
| 543 | *active_item << Gnome::Canvas::Properties::fill_color("green"); |
---|
| 544 | } |
---|
[27] | 545 | } |
---|
| 546 | } |
---|
| 547 | //reseting datas |
---|
| 548 | active_item=NULL; |
---|
| 549 | active_edge=INVALID; |
---|
| 550 | active_node=INVALID; |
---|
| 551 | break; |
---|
| 552 | |
---|
| 553 | case GDK_MOTION_NOTIFY: |
---|
| 554 | break; |
---|
| 555 | |
---|
| 556 | default: |
---|
| 557 | break; |
---|
| 558 | } |
---|
[31] | 559 | return false; |
---|
[27] | 560 | } |
---|
| 561 | |
---|
[149] | 562 | bool GraphDisplayerCanvas::mapEditEventHandler(GdkEvent* e) |
---|
[32] | 563 | { |
---|
[149] | 564 | if(actual_tool==MAP_EDIT) |
---|
[32] | 565 | { |
---|
[149] | 566 | switch(e->type) |
---|
| 567 | { |
---|
| 568 | case GDK_BUTTON_PRESS: |
---|
| 569 | { |
---|
| 570 | //for determine, whether it was an edge |
---|
| 571 | Edge clicked_edge=INVALID; |
---|
| 572 | //for determine, whether it was a node |
---|
| 573 | Node clicked_node=INVALID; |
---|
[43] | 574 | |
---|
[149] | 575 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
---|
| 576 | active_item=(get_item_at(clicked_x, clicked_y)); |
---|
[48] | 577 | |
---|
[149] | 578 | //find the activated item between text of nodes |
---|
| 579 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
| 580 | { |
---|
| 581 | //at the same time only one can be active |
---|
| 582 | if(nodetextmap[i]==active_item) |
---|
| 583 | { |
---|
| 584 | clicked_node=i; |
---|
| 585 | } |
---|
| 586 | } |
---|
[65] | 587 | |
---|
[149] | 588 | //if there was not, search for it between nodes |
---|
| 589 | if(clicked_node==INVALID) |
---|
| 590 | { |
---|
| 591 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
| 592 | { |
---|
| 593 | //at the same time only one can be active |
---|
| 594 | if(nodesmap[i]==active_item) |
---|
| 595 | { |
---|
| 596 | clicked_node=i; |
---|
| 597 | } |
---|
| 598 | } |
---|
| 599 | } |
---|
[48] | 600 | |
---|
[149] | 601 | if(clicked_node==INVALID) |
---|
| 602 | { |
---|
| 603 | //find the activated item between texts |
---|
| 604 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
| 605 | { |
---|
| 606 | //at the same time only one can be active |
---|
| 607 | if(edgetextmap[i]==active_item) |
---|
| 608 | { |
---|
| 609 | clicked_edge=i; |
---|
| 610 | } |
---|
| 611 | } |
---|
[48] | 612 | |
---|
[149] | 613 | //if it was not between texts, search for it between edges |
---|
| 614 | if(clicked_edge==INVALID) |
---|
| 615 | { |
---|
| 616 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
| 617 | { |
---|
| 618 | //at the same time only one can be active |
---|
| 619 | if((edgesmap[i]->getLine())==active_item) |
---|
| 620 | { |
---|
| 621 | clicked_edge=i; |
---|
| 622 | } |
---|
| 623 | } |
---|
| 624 | } |
---|
| 625 | } |
---|
| 626 | |
---|
| 627 | //if it was really a node... |
---|
| 628 | if(clicked_node!=INVALID) |
---|
| 629 | { |
---|
| 630 | // the id map is not editable |
---|
| 631 | if (nodemap_to_edit == "label") return 0; |
---|
| 632 | |
---|
| 633 | //and there is activated map |
---|
| 634 | if(nodetextmap[clicked_node]->property_text().get_value()!="") |
---|
| 635 | { |
---|
| 636 | //activate the general variable for it |
---|
| 637 | active_node=clicked_node; |
---|
| 638 | |
---|
| 639 | //create a dialog |
---|
| 640 | Gtk::Dialog dialog("Edit value", true); |
---|
| 641 | dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL); |
---|
| 642 | dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_ACCEPT); |
---|
| 643 | Gtk::VBox* vbox = dialog.get_vbox(); |
---|
| 644 | Gtk::SpinButton spin(0.0, 4); |
---|
| 645 | spin.set_increments(1.0, 10.0); |
---|
| 646 | spin.set_range(-1000000.0, 1000000.0); |
---|
| 647 | spin.set_numeric(true); |
---|
| 648 | spin.set_value(atof(nodetextmap[active_node]->property_text().get_value().c_str())); |
---|
| 649 | vbox->add(spin); |
---|
| 650 | spin.show(); |
---|
| 651 | switch (dialog.run()) |
---|
| 652 | { |
---|
| 653 | case Gtk::RESPONSE_NONE: |
---|
| 654 | case Gtk::RESPONSE_CANCEL: |
---|
| 655 | break; |
---|
| 656 | case Gtk::RESPONSE_ACCEPT: |
---|
| 657 | double new_value = spin.get_value(); |
---|
| 658 | (*(mytab.mapstorage).nodemap_storage[nodemap_to_edit])[active_node] = |
---|
| 659 | new_value; |
---|
| 660 | std::ostringstream ostr; |
---|
| 661 | ostr << new_value; |
---|
| 662 | nodetextmap[active_node]->property_text().set_value(ostr.str()); |
---|
| 663 | //mapwin.updateNode(active_node); |
---|
| 664 | //mapwin.updateNode(Node(INVALID)); |
---|
| 665 | propertyUpdate(Node(INVALID)); |
---|
| 666 | } |
---|
| 667 | } |
---|
| 668 | } |
---|
| 669 | else |
---|
| 670 | //if it was really an edge... |
---|
| 671 | if(clicked_edge!=INVALID) |
---|
| 672 | { |
---|
| 673 | // the id map is not editable |
---|
| 674 | if (edgemap_to_edit == "label") return 0; |
---|
| 675 | |
---|
| 676 | //and there is activated map |
---|
| 677 | if(edgetextmap[clicked_edge]->property_text().get_value()!="") |
---|
| 678 | { |
---|
| 679 | //activate the general variable for it |
---|
| 680 | active_edge=clicked_edge; |
---|
| 681 | |
---|
| 682 | //create a dialog |
---|
| 683 | Gtk::Dialog dialog("Edit value", true); |
---|
| 684 | dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL); |
---|
| 685 | dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_ACCEPT); |
---|
| 686 | Gtk::VBox* vbox = dialog.get_vbox(); |
---|
| 687 | Gtk::SpinButton spin(0.0, 4); |
---|
| 688 | spin.set_increments(1.0, 10.0); |
---|
| 689 | spin.set_range(-1000000.0, 1000000.0); |
---|
| 690 | spin.set_numeric(true); |
---|
| 691 | spin.set_value(atof(edgetextmap[active_edge]->property_text().get_value().c_str())); |
---|
| 692 | vbox->add(spin); |
---|
| 693 | spin.show(); |
---|
| 694 | switch (dialog.run()) |
---|
| 695 | { |
---|
| 696 | case Gtk::RESPONSE_NONE: |
---|
| 697 | case Gtk::RESPONSE_CANCEL: |
---|
| 698 | break; |
---|
| 699 | case Gtk::RESPONSE_ACCEPT: |
---|
| 700 | double new_value = spin.get_value(); |
---|
| 701 | (*(mytab.mapstorage).edgemap_storage[edgemap_to_edit])[active_edge] = |
---|
| 702 | new_value; |
---|
| 703 | std::ostringstream ostr; |
---|
| 704 | ostr << new_value; |
---|
| 705 | edgetextmap[active_edge]->property_text().set_value( |
---|
| 706 | ostr.str()); |
---|
| 707 | //mapwin.updateEdge(active_edge); |
---|
| 708 | // mapwin.updateEdge(Edge(INVALID)); |
---|
| 709 | propertyUpdate(Edge(INVALID)); |
---|
| 710 | } |
---|
| 711 | } |
---|
| 712 | } |
---|
| 713 | break; |
---|
| 714 | } |
---|
| 715 | default: |
---|
| 716 | break; |
---|
| 717 | } |
---|
[32] | 718 | } |
---|
[35] | 719 | return false; |
---|
[32] | 720 | } |
---|
| 721 | |
---|
[62] | 722 | void GraphDisplayerCanvas::deleteItem(Node node_to_delete) |
---|
[27] | 723 | { |
---|
[28] | 724 | delete(nodetextmap[node_to_delete]); |
---|
[27] | 725 | delete(nodesmap[node_to_delete]); |
---|
[96] | 726 | (mytab.mapstorage).graph.erase(node_to_delete); |
---|
[27] | 727 | } |
---|
| 728 | |
---|
[62] | 729 | void GraphDisplayerCanvas::deleteItem(Edge edge_to_delete) |
---|
[27] | 730 | { |
---|
[28] | 731 | delete(edgetextmap[edge_to_delete]); |
---|
[27] | 732 | delete(edgesmap[edge_to_delete]); |
---|
[96] | 733 | (mytab.mapstorage).graph.erase(edge_to_delete); |
---|
[27] | 734 | } |
---|
| 735 | |
---|
[150] | 736 | void GraphDisplayerCanvas::textReposition(XY new_place) |
---|
[27] | 737 | { |
---|
[150] | 738 | new_place+=(XY(10,10)); |
---|
[35] | 739 | edgetextmap[forming_edge]->property_x().set_value(new_place.x); |
---|
| 740 | edgetextmap[forming_edge]->property_y().set_value(new_place.y); |
---|
[27] | 741 | } |
---|
| 742 | |
---|
[147] | 743 | void GraphDisplayerCanvas::toggleEdgeActivity(EdgeBase* active_bre, bool on) |
---|
[27] | 744 | { |
---|
| 745 | if(on) |
---|
[147] | 746 | { |
---|
| 747 | if(forming_edge!=INVALID) |
---|
[27] | 748 | { |
---|
[147] | 749 | std::cerr << "ERROR!!!! Valid edge found!" << std::endl; |
---|
[27] | 750 | } |
---|
[147] | 751 | else |
---|
| 752 | { |
---|
| 753 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
| 754 | { |
---|
| 755 | if(edgesmap[i]==active_bre) |
---|
| 756 | { |
---|
| 757 | forming_edge=i; |
---|
| 758 | } |
---|
| 759 | } |
---|
| 760 | } |
---|
| 761 | } |
---|
[27] | 762 | else |
---|
| 763 | { |
---|
[160] | 764 | if(forming_edge!=INVALID) |
---|
| 765 | { |
---|
| 766 | forming_edge=INVALID; |
---|
| 767 | } |
---|
| 768 | else |
---|
| 769 | { |
---|
| 770 | std::cerr << "ERROR!!!! Invalid edge found!" << std::endl; |
---|
| 771 | } |
---|
[27] | 772 | } |
---|
[160] | 773 | } |
---|
| 774 | |
---|
| 775 | void GraphDisplayerCanvas::moveNode(double dx, double dy, Gnome::Canvas::Item * item, Node node) |
---|
| 776 | { |
---|
| 777 | Gnome::Canvas::Item * moved_item=item; |
---|
| 778 | Node moved_node=node; |
---|
| 779 | |
---|
| 780 | if(item==NULL && node==INVALID) |
---|
[147] | 781 | { |
---|
[160] | 782 | moved_item=active_item; |
---|
| 783 | moved_node=active_node; |
---|
[147] | 784 | } |
---|
[160] | 785 | else |
---|
| 786 | { |
---|
| 787 | isbutton=1; |
---|
| 788 | } |
---|
| 789 | |
---|
| 790 | //repositioning node and its text |
---|
| 791 | moved_item->move(dx, dy); |
---|
| 792 | nodetextmap[moved_node]->move(dx, dy); |
---|
| 793 | |
---|
| 794 | // the new coordinates of the centre of the node |
---|
| 795 | double coord_x = dx + (mytab.mapstorage).coords[moved_node].x; |
---|
| 796 | double coord_y = dy + (mytab.mapstorage).coords[moved_node].y; |
---|
| 797 | |
---|
| 798 | // write back the new coordinates to the coords map |
---|
| 799 | (mytab.mapstorage).coords.set(moved_node, XY(coord_x, coord_y)); |
---|
| 800 | |
---|
| 801 | //all the edges connected to the moved point has to be redrawn |
---|
| 802 | for(OutEdgeIt ei((mytab.mapstorage).graph,moved_node);ei!=INVALID;++ei) |
---|
| 803 | { |
---|
| 804 | XY arrow_pos; |
---|
| 805 | |
---|
| 806 | if (mytab.mapstorage.graph.source(ei) == mytab.mapstorage.graph.target(ei)) |
---|
| 807 | { |
---|
| 808 | arrow_pos = mytab.mapstorage.arrow_pos[ei] + XY(dx, dy); |
---|
| 809 | } |
---|
| 810 | else |
---|
| 811 | { |
---|
| 812 | XY moved_node_1(coord_x - dx, coord_y - dy); |
---|
| 813 | XY moved_node_2(coord_x, coord_y); |
---|
| 814 | Node target = mytab.mapstorage.graph.target(ei); |
---|
| 815 | XY fix_node(mytab.mapstorage.coords[target].x, |
---|
| 816 | mytab.mapstorage.coords[target].y); |
---|
| 817 | XY old_arrow_pos(mytab.mapstorage.arrow_pos[ei]); |
---|
| 818 | |
---|
| 819 | arrow_pos = calcArrowPos(moved_node_1, moved_node_2, fix_node, old_arrow_pos, isbutton); |
---|
| 820 | } |
---|
| 821 | |
---|
| 822 | mytab.mapstorage.arrow_pos.set(ei, arrow_pos); |
---|
| 823 | edgesmap[ei]->draw(); |
---|
| 824 | |
---|
| 825 | //reposition of edgetext |
---|
| 826 | XY text_pos=mytab.mapstorage.arrow_pos[ei]; |
---|
| 827 | text_pos+=(XY(10,10)); |
---|
| 828 | edgetextmap[ei]->property_x().set_value(text_pos.x); |
---|
| 829 | edgetextmap[ei]->property_y().set_value(text_pos.y); |
---|
| 830 | } |
---|
| 831 | |
---|
| 832 | for(InEdgeIt ei((mytab.mapstorage).graph,moved_node);ei!=INVALID;++ei) |
---|
| 833 | { |
---|
| 834 | if (mytab.mapstorage.graph.source(ei) != mytab.mapstorage.graph.target(ei)) |
---|
| 835 | { |
---|
| 836 | XY moved_node_1(coord_x - dx, coord_y - dy); |
---|
| 837 | XY moved_node_2(coord_x, coord_y); |
---|
| 838 | Node source = mytab.mapstorage.graph.source(ei); |
---|
| 839 | XY fix_node(mytab.mapstorage.coords[source].x, |
---|
| 840 | mytab.mapstorage.coords[source].y); |
---|
| 841 | XY old_arrow_pos(mytab.mapstorage.arrow_pos[ei]); |
---|
| 842 | |
---|
| 843 | XY arrow_pos; |
---|
| 844 | arrow_pos = calcArrowPos(moved_node_1, moved_node_2, fix_node, old_arrow_pos, isbutton); |
---|
| 845 | |
---|
| 846 | mytab.mapstorage.arrow_pos.set(ei, arrow_pos); |
---|
| 847 | edgesmap[ei]->draw(); |
---|
| 848 | |
---|
| 849 | //reposition of edgetext |
---|
| 850 | XY text_pos=mytab.mapstorage.arrow_pos[ei]; |
---|
| 851 | text_pos+=(XY(10,10)); |
---|
| 852 | edgetextmap[ei]->property_x().set_value(text_pos.x); |
---|
| 853 | edgetextmap[ei]->property_y().set_value(text_pos.y); |
---|
| 854 | } |
---|
| 855 | } |
---|
[27] | 856 | } |
---|