[1606] | 1 | #include "graph_displayer_canvas.h" |
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[1632] | 2 | #include <cmath> |
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[1510] | 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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[1562] | 15 | if(actual_tool!=newtool) |
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| 16 | { |
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[1510] | 17 | |
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[1562] | 18 | actual_handler.disconnect(); |
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[1510] | 19 | |
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[1562] | 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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| 30 | case EDGE_MAP_EDIT: |
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[1579] | 31 | //has to do the same thing as in the case of NODE_MAP_EDIT |
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| 32 | case NODE_MAP_EDIT: |
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| 33 | { |
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| 34 | break; |
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| 35 | } |
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[1562] | 36 | default: |
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| 37 | break; |
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| 38 | } |
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[1510] | 39 | |
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[1562] | 40 | active_item=NULL; |
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| 41 | target_item=NULL; |
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| 42 | active_edge=INVALID; |
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| 43 | active_node=INVALID; |
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[1551] | 44 | |
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[1510] | 45 | |
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[1562] | 46 | actual_tool=newtool; |
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| 47 | |
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| 48 | switch(newtool) |
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| 49 | { |
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| 50 | case MOVE: |
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| 51 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::moveEventHandler), false); |
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| 52 | break; |
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[1510] | 53 | |
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[1562] | 54 | case CREATE_NODE: |
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| 55 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::createNodeEventHandler), false); |
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| 56 | break; |
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[1510] | 57 | |
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[1562] | 58 | case CREATE_EDGE: |
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| 59 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::createEdgeEventHandler), false); |
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| 60 | break; |
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[1510] | 61 | |
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[1562] | 62 | case ERASER: |
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| 63 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::eraserEventHandler), false); |
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| 64 | break; |
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[1550] | 65 | |
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[1562] | 66 | case EDGE_MAP_EDIT: |
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| 67 | grab_focus(); |
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| 68 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::edgeMapEditEventHandler), false); |
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| 69 | break; |
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[1550] | 70 | |
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[1562] | 71 | case NODE_MAP_EDIT: |
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| 72 | actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::nodeMapEditEventHandler), false); |
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| 73 | break; |
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| 74 | |
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| 75 | default: |
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| 76 | break; |
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| 77 | } |
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[1510] | 78 | } |
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| 79 | } |
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| 80 | |
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[1524] | 81 | int GraphDisplayerCanvas::getActualTool() |
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[1510] | 82 | { |
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| 83 | return actual_tool; |
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| 84 | } |
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| 85 | |
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[1524] | 86 | bool GraphDisplayerCanvas::moveEventHandler(GdkEvent* e) |
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[1510] | 87 | { |
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[1652] | 88 | static Gnome::Canvas::Text *coord_text = 0; |
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[1510] | 89 | switch(e->type) |
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| 90 | { |
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| 91 | case GDK_BUTTON_PRESS: |
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| 92 | //we mark the location of the event to be able to calculate parameters of dragging |
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[1525] | 93 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
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| 94 | |
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| 95 | active_item=(get_item_at(clicked_x, clicked_y)); |
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[1510] | 96 | active_node=INVALID; |
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[1849] | 97 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
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[1510] | 98 | { |
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| 99 | if(nodesmap[i]==active_item) |
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| 100 | { |
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| 101 | active_node=i; |
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| 102 | } |
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| 103 | } |
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| 104 | switch(e->button.button) |
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| 105 | { |
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| 106 | case 3: |
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| 107 | isbutton=3; |
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| 108 | break; |
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| 109 | default: |
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| 110 | isbutton=1; |
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| 111 | break; |
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| 112 | } |
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| 113 | break; |
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| 114 | case GDK_BUTTON_RELEASE: |
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[1652] | 115 | if (coord_text) |
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| 116 | { |
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| 117 | delete coord_text; |
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| 118 | coord_text = 0; |
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| 119 | } |
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[1510] | 120 | isbutton=0; |
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| 121 | active_item=NULL; |
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| 122 | active_node=INVALID; |
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| 123 | break; |
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| 124 | case GDK_MOTION_NOTIFY: |
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| 125 | //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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| 126 | if(active_node!=INVALID) |
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| 127 | { |
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[1849] | 128 | (mytab.mapstorage).modified = true; |
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[1652] | 129 | |
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[1510] | 130 | //new coordinates will be the old values, |
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| 131 | //because the item will be moved to the |
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| 132 | //new coordinate therefore the new movement |
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| 133 | //has to be calculated from here |
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| 134 | |
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[1525] | 135 | double new_x, new_y; |
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| 136 | |
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| 137 | window_to_world (e->motion.x, e->motion.y, new_x, new_y); |
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| 138 | |
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| 139 | double dx=new_x-clicked_x; |
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| 140 | double dy=new_y-clicked_y; |
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[1510] | 141 | |
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[1512] | 142 | //repositioning node and its text |
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[1510] | 143 | active_item->move(dx, dy); |
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[1512] | 144 | nodetextmap[active_node]->move(dx, dy); |
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[1510] | 145 | |
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[1652] | 146 | // the new coordinates of the centre of the node |
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[1849] | 147 | double coord_x = new_x - (clicked_x - (mytab.mapstorage).coords[active_node].x); |
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| 148 | double coord_y = new_y - (clicked_y - (mytab.mapstorage).coords[active_node].y); |
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[1652] | 149 | |
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[1860] | 150 | // write back the new coordinates to the coords map |
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| 151 | (mytab.mapstorage).coords.set(active_node, xy<double>(coord_x, coord_y)); |
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| 152 | |
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[1525] | 153 | clicked_x=new_x; |
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| 154 | clicked_y=new_y; |
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[1510] | 155 | |
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[1652] | 156 | // reposition the coordinates text |
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| 157 | std::ostringstream ostr; |
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| 158 | ostr << "(" << |
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[1849] | 159 | (mytab.mapstorage).coords[active_node].x << ", " << |
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| 160 | (mytab.mapstorage).coords[active_node].y << ")"; |
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[1654] | 161 | double radius = |
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| 162 | (nodesmap[active_node]->property_x2().get_value() - |
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| 163 | nodesmap[active_node]->property_x1().get_value()) / 2.0; |
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[1652] | 164 | if (coord_text) |
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| 165 | { |
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| 166 | coord_text->property_text().set_value(ostr.str()); |
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[1849] | 167 | coord_text->property_x().set_value((mytab.mapstorage).coords[active_node].x + |
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[1654] | 168 | radius); |
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[1849] | 169 | coord_text->property_y().set_value((mytab.mapstorage).coords[active_node].y - |
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[1654] | 170 | radius); |
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[1652] | 171 | } |
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| 172 | else |
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| 173 | { |
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| 174 | coord_text = new Gnome::Canvas::Text( |
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| 175 | displayed_graph, |
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[1849] | 176 | (mytab.mapstorage).coords[active_node].x + radius, |
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| 177 | (mytab.mapstorage).coords[active_node].y - radius, |
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[1652] | 178 | ostr.str()); |
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| 179 | coord_text->property_fill_color().set_value("black"); |
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[1654] | 180 | coord_text->property_anchor().set_value(Gtk::ANCHOR_SOUTH_WEST); |
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[1652] | 181 | } |
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| 182 | |
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| 183 | //all the edges connected to the moved point has to be redrawn |
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[1849] | 184 | for(OutEdgeIt ei((mytab.mapstorage).graph,active_node);ei!=INVALID;++ei) |
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[1510] | 185 | { |
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[1860] | 186 | XY moved_node_1(coord_x - dx, coord_y - dy); |
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| 187 | XY moved_node_2(coord_x, coord_y); |
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| 188 | Node target = mytab.mapstorage.graph.target(ei); |
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| 189 | XY fix_node(mytab.mapstorage.coords[target].x, |
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| 190 | mytab.mapstorage.coords[target].y); |
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| 191 | XY old_arrow_pos(mytab.mapstorage.arrow_pos[ei]); |
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[1510] | 192 | |
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[1860] | 193 | XY arrow_pos; |
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| 194 | if(isbutton==3) |
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| 195 | arrow_pos = calcArrowPos(moved_node_1, moved_node_2, fix_node, old_arrow_pos, false); |
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| 196 | else |
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| 197 | arrow_pos = calcArrowPos(moved_node_1, moved_node_2, fix_node, old_arrow_pos, true); |
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[1510] | 198 | |
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[1860] | 199 | mytab.mapstorage.arrow_pos.set(ei, arrow_pos); |
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| 200 | edgesmap[ei]->draw(); |
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[1510] | 201 | |
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[1512] | 202 | //reposition of edgetext |
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[1860] | 203 | XY text_pos=mytab.mapstorage.arrow_pos[ei]; |
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| 204 | text_pos+=(XY(10,10)); |
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[1510] | 205 | edgetextmap[ei]->property_x().set_value(text_pos.x); |
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| 206 | edgetextmap[ei]->property_y().set_value(text_pos.y); |
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| 207 | } |
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| 208 | |
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[1849] | 209 | for(InEdgeIt ei((mytab.mapstorage).graph,active_node);ei!=INVALID;++ei) |
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[1510] | 210 | { |
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[1860] | 211 | XY moved_node_1(coord_x - dx, coord_y - dy); |
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| 212 | XY moved_node_2(coord_x, coord_y); |
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| 213 | Node source = mytab.mapstorage.graph.source(ei); |
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| 214 | XY fix_node(mytab.mapstorage.coords[source].x, |
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| 215 | mytab.mapstorage.coords[source].y); |
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| 216 | XY old_arrow_pos(mytab.mapstorage.arrow_pos[ei]); |
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[1510] | 217 | |
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[1860] | 218 | XY arrow_pos; |
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| 219 | if(isbutton==3) |
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| 220 | arrow_pos = calcArrowPos(moved_node_1, moved_node_2, fix_node, old_arrow_pos, false); |
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| 221 | else |
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| 222 | arrow_pos = calcArrowPos(moved_node_1, moved_node_2, fix_node, old_arrow_pos, true); |
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[1510] | 223 | |
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[1860] | 224 | mytab.mapstorage.arrow_pos.set(ei, arrow_pos); |
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| 225 | edgesmap[ei]->draw(); |
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[1510] | 226 | |
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[1860] | 227 | //reposition of edgetext |
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| 228 | XY text_pos=mytab.mapstorage.arrow_pos[ei]; |
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| 229 | text_pos+=(XY(10,10)); |
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[1510] | 230 | edgetextmap[ei]->property_x().set_value(text_pos.x); |
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| 231 | edgetextmap[ei]->property_y().set_value(text_pos.y); |
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| 232 | } |
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| 233 | } |
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| 234 | default: break; |
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| 235 | } |
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| 236 | |
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[1525] | 237 | return false; |
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[1510] | 238 | } |
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| 239 | |
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[1860] | 240 | XY GraphDisplayerCanvas::calcArrowPos(XY moved_node_1, XY moved_node_2, XY fix_node, XY old_arrow_pos, bool move) |
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| 241 | { |
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| 242 | if(!move) |
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| 243 | { |
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| 244 | return XY((moved_node_2.x + fix_node.x) / 2.0, (moved_node_2.y + fix_node.y) / 2.0); |
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| 245 | } |
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| 246 | else |
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| 247 | { |
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| 248 | ////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 249 | /////////// keeps shape-with scalar multiplication - version 2. |
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| 250 | ////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 251 | |
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| 252 | //old vector from one to the other node - a |
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| 253 | xy<double> a_v(moved_node_1.x-fix_node.x,moved_node_1.y-fix_node.y); |
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| 254 | //new vector from one to the other node - b |
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| 255 | xy<double> b_v(moved_node_2.x-fix_node.x,moved_node_2.y-fix_node.y); |
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| 256 | |
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| 257 | double absa=sqrt(a_v.normSquare()); |
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| 258 | double absb=sqrt(b_v.normSquare()); |
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| 259 | |
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| 260 | if ((absa == 0.0) || (absb == 0.0)) |
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| 261 | { |
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| 262 | return old_arrow_pos; |
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| 263 | } |
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| 264 | else |
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| 265 | { |
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| 266 | //old vector from one node to the breakpoint - c |
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| 267 | xy<double> c_v(old_arrow_pos.x-fix_node.x,old_arrow_pos.y-fix_node.y); |
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| 268 | |
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| 269 | //unit vector with the same direction to a_v |
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| 270 | xy<double> a_v_u(a_v.x/absa,a_v.y/absa); |
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| 271 | |
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| 272 | //normal vector of unit vector with the same direction to a_v |
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| 273 | xy<double> a_v_u_n(((-1)*a_v_u.y),a_v_u.x); |
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| 274 | |
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| 275 | //unit vector with the same direction to b_v |
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| 276 | xy<double> b_v_u(b_v.x/absb,b_v.y/absb); |
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| 277 | |
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| 278 | //normal vector of unit vector with the same direction to b_v |
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| 279 | xy<double> b_v_u_n(((-1)*b_v_u.y),b_v_u.x); |
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| 280 | |
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| 281 | //vector c in a_v_u and a_v_u_n co-ordinate system |
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| 282 | xy<double> c_a(c_v*a_v_u,c_v*a_v_u_n); |
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| 283 | |
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| 284 | //new vector from one node to the breakpoint - d - we have to calculate this one |
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| 285 | xy<double> d_v=absb/absa*(c_a.x*b_v_u+c_a.y*b_v_u_n); |
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| 286 | |
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| 287 | return XY(d_v.x+fix_node.x,d_v.y+fix_node.y); |
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| 288 | } |
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| 289 | } |
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| 290 | } |
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| 291 | |
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[1524] | 292 | bool GraphDisplayerCanvas::createNodeEventHandler(GdkEvent* e) |
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[1510] | 293 | { |
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| 294 | switch(e->type) |
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[1645] | 295 | { |
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| 296 | //move the new node |
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| 297 | case GDK_MOTION_NOTIFY: |
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| 298 | { |
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| 299 | GdkEvent * generated=new GdkEvent(); |
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| 300 | generated->motion.x=e->motion.x; |
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| 301 | generated->motion.y=e->motion.y; |
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| 302 | generated->type=GDK_MOTION_NOTIFY; |
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| 303 | moveEventHandler(generated); |
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| 304 | break; |
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| 305 | } |
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[1510] | 306 | |
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[1645] | 307 | case GDK_BUTTON_RELEASE: |
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[1849] | 308 | (mytab.mapstorage).modified = true; |
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[1606] | 309 | |
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[1510] | 310 | isbutton=1; |
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| 311 | |
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[1849] | 312 | active_node=(mytab.mapstorage).graph.addNode(); |
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[1510] | 313 | |
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| 314 | //initiating values corresponding to new node in maps |
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| 315 | |
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| 316 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
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| 317 | |
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[1645] | 318 | // update coordinates |
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[1849] | 319 | (mytab.mapstorage).coords.set(active_node, xy<double>(clicked_x, clicked_y)); |
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[1645] | 320 | |
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| 321 | // update all other maps |
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| 322 | for (std::map<std::string, Graph::NodeMap<double>*>::const_iterator it = |
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[1849] | 323 | (mytab.mapstorage).nodemap_storage.begin(); it != |
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| 324 | (mytab.mapstorage).nodemap_storage.end(); ++it) |
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[1645] | 325 | { |
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[1646] | 326 | if ((it->first != "coordinates_x") && |
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| 327 | (it->first != "coordinates_y")) |
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[1645] | 328 | { |
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| 329 | (*(it->second))[active_node] = |
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[1849] | 330 | (mytab.mapstorage).nodemap_default[it->first]; |
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[1645] | 331 | } |
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| 332 | } |
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[1646] | 333 | // increment the id map's default value |
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[1849] | 334 | (mytab.mapstorage).nodemap_default["id"] += 1.0; |
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[1645] | 335 | |
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[1606] | 336 | nodesmap[active_node]=new Gnome::Canvas::Ellipse(displayed_graph, |
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[1645] | 337 | clicked_x-20, clicked_y-20, clicked_x+20, clicked_y+20); |
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[1510] | 338 | active_item=(Gnome::Canvas::Item *)(nodesmap[active_node]); |
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[1645] | 339 | *(nodesmap[active_node]) << |
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| 340 | Gnome::Canvas::Properties::fill_color("blue"); |
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| 341 | *(nodesmap[active_node]) << |
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| 342 | Gnome::Canvas::Properties::outline_color("black"); |
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| 343 | active_item->raise_to_top(); |
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| 344 | |
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[1510] | 345 | (nodesmap[active_node])->show(); |
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[1512] | 346 | |
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[1606] | 347 | nodetextmap[active_node]=new Gnome::Canvas::Text(displayed_graph, |
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[1645] | 348 | clicked_x+node_property_defaults[N_RADIUS]+5, |
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| 349 | clicked_y+node_property_defaults[N_RADIUS]+5, ""); |
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[1512] | 350 | nodetextmap[active_node]->property_fill_color().set_value("darkblue"); |
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[1645] | 351 | nodetextmap[active_node]->raise_to_top(); |
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[1512] | 352 | |
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[1837] | 353 | // mapwin.updateNode(active_node); |
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| 354 | propertyUpdate(active_node); |
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[1512] | 355 | |
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[1510] | 356 | isbutton=0; |
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[1525] | 357 | target_item=NULL; |
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[1510] | 358 | active_item=NULL; |
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| 359 | active_node=INVALID; |
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| 360 | break; |
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| 361 | default: |
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| 362 | break; |
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[1645] | 363 | } |
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[1510] | 364 | return false; |
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| 365 | } |
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| 366 | |
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[1524] | 367 | bool GraphDisplayerCanvas::createEdgeEventHandler(GdkEvent* e) |
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[1510] | 368 | { |
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| 369 | switch(e->type) |
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[1645] | 370 | { |
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[1510] | 371 | case GDK_BUTTON_PRESS: |
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| 372 | //in edge creation right button has special meaning |
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| 373 | if(e->button.button!=3) |
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[1645] | 374 | { |
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| 375 | //there is not yet selected node |
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| 376 | if(active_node==INVALID) |
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| 377 | { |
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| 378 | //we mark the location of the event to be able to calculate parameters of dragging |
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[1525] | 379 | |
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[1645] | 380 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
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[1525] | 381 | |
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[1645] | 382 | active_item=(get_item_at(clicked_x, clicked_y)); |
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| 383 | active_node=INVALID; |
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[1849] | 384 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
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[1645] | 385 | { |
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| 386 | if(nodesmap[i]==active_item) |
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| 387 | { |
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| 388 | active_node=i; |
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| 389 | } |
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| 390 | } |
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| 391 | //the clicked item is really a node |
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| 392 | if(active_node!=INVALID) |
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| 393 | { |
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| 394 | *(nodesmap[active_node]) << Gnome::Canvas::Properties::fill_color("red"); |
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| 395 | isbutton=1; |
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| 396 | } |
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| 397 | //clicked item was not a node. It could be e.g. edge. |
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| 398 | else |
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| 399 | { |
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| 400 | active_item=NULL; |
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| 401 | } |
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| 402 | } |
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| 403 | //we only have to do sg. if the mouse button |
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| 404 | // is pressed already once AND the click was |
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| 405 | // on a node that was found in the set of |
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| 406 | //nodes, and now we only search for the second |
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| 407 | //node |
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| 408 | else |
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| 409 | { |
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| 410 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
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| 411 | target_item=(get_item_at(clicked_x, clicked_y)); |
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| 412 | Node target_node=INVALID; |
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[1849] | 413 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
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[1645] | 414 | { |
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| 415 | if(nodesmap[i]==target_item) |
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| 416 | { |
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| 417 | target_node=i; |
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| 418 | } |
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| 419 | } |
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| 420 | //the clicked item is a node, the edge can be drawn |
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| 421 | if(target_node!=INVALID) |
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| 422 | { |
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| 423 | if(target_node!=active_node) |
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| 424 | { |
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[1849] | 425 | (mytab.mapstorage).modified = true; |
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[1606] | 426 | |
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[1645] | 427 | *(nodesmap[target_node]) << |
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| 428 | Gnome::Canvas::Properties::fill_color("red"); |
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[1510] | 429 | |
---|
[1645] | 430 | //creating new edge |
---|
[1849] | 431 | active_edge=(mytab.mapstorage).graph.addEdge(active_node, |
---|
[1645] | 432 | target_node); |
---|
[1510] | 433 | |
---|
[1646] | 434 | // update maps |
---|
[1645] | 435 | for (std::map<std::string, |
---|
| 436 | Graph::EdgeMap<double>*>::const_iterator it = |
---|
[1849] | 437 | (mytab.mapstorage).edgemap_storage.begin(); it != |
---|
| 438 | (mytab.mapstorage).edgemap_storage.end(); ++it) |
---|
[1645] | 439 | { |
---|
[1646] | 440 | (*(it->second))[active_edge] = |
---|
[1849] | 441 | (mytab.mapstorage).edgemap_default[it->first]; |
---|
[1645] | 442 | } |
---|
[1646] | 443 | // increment the id map's default value |
---|
[1849] | 444 | (mytab.mapstorage).edgemap_default["id"] += 1.0; |
---|
[1510] | 445 | |
---|
[1645] | 446 | //calculating coordinates of new edge |
---|
| 447 | Gnome::Canvas::Points coos; |
---|
| 448 | double x1, x2, y1, y2; |
---|
[1510] | 449 | |
---|
[1645] | 450 | active_item->get_bounds(x1, y1, x2, y2); |
---|
| 451 | coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2)); |
---|
[1510] | 452 | |
---|
[1645] | 453 | target_item->get_bounds(x1, y1, x2, y2); |
---|
| 454 | coos.push_back(Gnome::Art::Point((x1+x2)/2,(y1+y2)/2)); |
---|
[1510] | 455 | |
---|
[1883] | 456 | // set the coordinates of the arrow on the new edge |
---|
| 457 | MapStorage& ms = mytab.mapstorage; |
---|
| 458 | ms.arrow_pos.set(active_edge, |
---|
| 459 | (ms.coords[ms.graph.source(active_edge)] + |
---|
| 460 | ms.coords[ms.graph.target(active_edge)])/ 2.0); |
---|
| 461 | |
---|
[1645] | 462 | //drawing new edge |
---|
[1860] | 463 | edgesmap[active_edge]=new BrokenEdge(displayed_graph, active_edge, |
---|
[1645] | 464 | *this); |
---|
| 465 | *(edgesmap[active_edge]) << |
---|
| 466 | Gnome::Canvas::Properties::fill_color("green"); |
---|
| 467 | edgesmap[active_edge]->property_width_pixels().set_value(10); |
---|
[1510] | 468 | |
---|
[1645] | 469 | edgesmap[active_edge]->lower_to_bottom(); |
---|
[1512] | 470 | |
---|
[1645] | 471 | //initializing edge-text as well, to empty string |
---|
[1860] | 472 | XY text_pos=mytab.mapstorage.arrow_pos[active_edge]; |
---|
| 473 | text_pos+=(XY(10,10)); |
---|
[1645] | 474 | |
---|
| 475 | edgetextmap[active_edge]=new Gnome::Canvas::Text(displayed_graph, |
---|
| 476 | text_pos.x, text_pos.y, ""); |
---|
| 477 | edgetextmap[active_edge]->property_fill_color().set_value( |
---|
| 478 | "darkgreen"); |
---|
| 479 | edgetextmap[active_edge]->raise_to_top(); |
---|
| 480 | |
---|
| 481 | //updating its properties |
---|
[1837] | 482 | // mapwin.updateEdge(active_edge); |
---|
| 483 | propertyUpdate(active_edge); |
---|
[1645] | 484 | } |
---|
| 485 | else |
---|
| 486 | { |
---|
| 487 | target_node=INVALID; |
---|
| 488 | std::cerr << "Loop edge is not yet implemented!" << std::endl; |
---|
| 489 | } |
---|
| 490 | } |
---|
| 491 | //clicked item was not a node. it could be an e.g. edge. we do not |
---|
| 492 | //deal with it furthermore. |
---|
| 493 | else |
---|
| 494 | { |
---|
| 495 | target_item=NULL; |
---|
| 496 | } |
---|
| 497 | } |
---|
| 498 | } |
---|
[1510] | 499 | break; |
---|
| 500 | case GDK_BUTTON_RELEASE: |
---|
| 501 | isbutton=0; |
---|
| 502 | //we clear settings in two cases |
---|
| 503 | //1: the edge is ready (target_item has valid value) |
---|
| 504 | //2: the edge creation is cancelled with right button |
---|
| 505 | if((target_item)||(e->button.button==3)) |
---|
[1645] | 506 | { |
---|
| 507 | if(active_item) |
---|
| 508 | { |
---|
| 509 | *active_item << Gnome::Canvas::Properties::fill_color("blue"); |
---|
| 510 | active_item=NULL; |
---|
| 511 | } |
---|
| 512 | if(target_item) |
---|
| 513 | { |
---|
| 514 | *target_item << Gnome::Canvas::Properties::fill_color("blue"); |
---|
| 515 | target_item=NULL; |
---|
| 516 | } |
---|
| 517 | active_node=INVALID; |
---|
| 518 | active_edge=INVALID; |
---|
| 519 | } |
---|
[1510] | 520 | break; |
---|
| 521 | default: |
---|
| 522 | break; |
---|
[1645] | 523 | } |
---|
[1510] | 524 | return false; |
---|
| 525 | } |
---|
| 526 | |
---|
[1524] | 527 | bool GraphDisplayerCanvas::eraserEventHandler(GdkEvent* e) |
---|
[1510] | 528 | { |
---|
| 529 | switch(e->type) |
---|
| 530 | { |
---|
| 531 | case GDK_BUTTON_PRESS: |
---|
[1594] | 532 | //finding the clicked items |
---|
[1525] | 533 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
---|
| 534 | active_item=(get_item_at(clicked_x, clicked_y)); |
---|
[1510] | 535 | active_node=INVALID; |
---|
| 536 | active_edge=INVALID; |
---|
[1594] | 537 | //was it a node? |
---|
[1849] | 538 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[1510] | 539 | { |
---|
| 540 | if(nodesmap[i]==active_item) |
---|
| 541 | { |
---|
| 542 | active_node=i; |
---|
| 543 | } |
---|
| 544 | } |
---|
[1594] | 545 | //or was it an edge? |
---|
[1510] | 546 | if(active_node==INVALID) |
---|
| 547 | { |
---|
[1849] | 548 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[1510] | 549 | { |
---|
| 550 | if(edgesmap[i]==active_item) |
---|
| 551 | { |
---|
| 552 | active_edge=i; |
---|
| 553 | } |
---|
| 554 | } |
---|
| 555 | } |
---|
[1594] | 556 | |
---|
| 557 | //recolor activated item |
---|
[1525] | 558 | if(active_item) |
---|
| 559 | { |
---|
| 560 | *active_item << Gnome::Canvas::Properties::fill_color("red"); |
---|
| 561 | } |
---|
[1510] | 562 | break; |
---|
| 563 | |
---|
| 564 | case GDK_BUTTON_RELEASE: |
---|
[1525] | 565 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
---|
| 566 | if(active_item) |
---|
[1510] | 567 | { |
---|
[1594] | 568 | //the cursor was not moved since pressing it |
---|
[1525] | 569 | if( active_item == ( get_item_at (clicked_x, clicked_y) ) ) |
---|
[1510] | 570 | { |
---|
[1594] | 571 | //a node was found |
---|
[1525] | 572 | if(active_node!=INVALID) |
---|
| 573 | { |
---|
[1849] | 574 | (mytab.mapstorage).modified = true; |
---|
[1510] | 575 | |
---|
[1525] | 576 | std::set<Graph::Edge> edges_to_delete; |
---|
[1510] | 577 | |
---|
[1849] | 578 | for(OutEdgeIt e((mytab.mapstorage).graph,active_node);e!=INVALID;++e) |
---|
[1525] | 579 | { |
---|
| 580 | edges_to_delete.insert(e); |
---|
| 581 | } |
---|
[1651] | 582 | |
---|
[1849] | 583 | for(InEdgeIt e((mytab.mapstorage).graph,active_node);e!=INVALID;++e) |
---|
[1525] | 584 | { |
---|
| 585 | edges_to_delete.insert(e); |
---|
| 586 | } |
---|
[1651] | 587 | |
---|
[1525] | 588 | //deleting collected edges |
---|
[1651] | 589 | for(std::set<Graph::Edge>::iterator |
---|
| 590 | edge_set_it=edges_to_delete.begin(); |
---|
| 591 | edge_set_it!=edges_to_delete.end(); |
---|
| 592 | ++edge_set_it) |
---|
[1525] | 593 | { |
---|
| 594 | deleteItem(*edge_set_it); |
---|
| 595 | } |
---|
| 596 | deleteItem(active_node); |
---|
| 597 | } |
---|
| 598 | //a simple edge was chosen |
---|
| 599 | else |
---|
[1510] | 600 | { |
---|
[1525] | 601 | deleteItem(active_edge); |
---|
[1510] | 602 | } |
---|
| 603 | } |
---|
[1525] | 604 | //pointer was moved, deletion is cancelled |
---|
[1510] | 605 | else |
---|
| 606 | { |
---|
[1525] | 607 | if(active_node!=INVALID) |
---|
| 608 | { |
---|
| 609 | *active_item << Gnome::Canvas::Properties::fill_color("blue"); |
---|
| 610 | } |
---|
| 611 | else |
---|
| 612 | { |
---|
| 613 | *active_item << Gnome::Canvas::Properties::fill_color("green"); |
---|
| 614 | } |
---|
[1510] | 615 | } |
---|
| 616 | } |
---|
| 617 | //reseting datas |
---|
| 618 | active_item=NULL; |
---|
| 619 | active_edge=INVALID; |
---|
| 620 | active_node=INVALID; |
---|
| 621 | break; |
---|
| 622 | |
---|
| 623 | case GDK_MOTION_NOTIFY: |
---|
| 624 | break; |
---|
| 625 | |
---|
| 626 | default: |
---|
| 627 | break; |
---|
| 628 | } |
---|
[1525] | 629 | return false; |
---|
[1510] | 630 | } |
---|
| 631 | |
---|
[1550] | 632 | bool GraphDisplayerCanvas::edgeMapEditEventHandler(GdkEvent* e) |
---|
| 633 | { |
---|
[1599] | 634 | if(actual_tool==EDGE_MAP_EDIT) |
---|
[1648] | 635 | { |
---|
| 636 | switch(e->type) |
---|
[1550] | 637 | { |
---|
[1648] | 638 | case GDK_BUTTON_PRESS: |
---|
| 639 | { |
---|
| 640 | //for determine, whether it was an edge |
---|
| 641 | Edge clicked_edge=INVALID; |
---|
[1594] | 642 | |
---|
[1648] | 643 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
---|
| 644 | active_item=(get_item_at(clicked_x, clicked_y)); |
---|
[1599] | 645 | |
---|
[1648] | 646 | //find the activated item between texts |
---|
[1849] | 647 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[1648] | 648 | { |
---|
| 649 | //at the same time only one can be active |
---|
| 650 | if(edgetextmap[i]==active_item) |
---|
| 651 | { |
---|
| 652 | clicked_edge=i; |
---|
| 653 | } |
---|
| 654 | } |
---|
[1647] | 655 | |
---|
[1648] | 656 | //if it was not between texts, search for it between edges |
---|
| 657 | if(clicked_edge==INVALID) |
---|
| 658 | { |
---|
[1849] | 659 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[1648] | 660 | { |
---|
| 661 | //at the same time only one can be active |
---|
| 662 | if((edgesmap[i]==active_item)||(edgetextmap[i]==active_item)) |
---|
| 663 | { |
---|
| 664 | clicked_edge=i; |
---|
| 665 | } |
---|
| 666 | } |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | //if it was really an edge... |
---|
| 670 | if(clicked_edge!=INVALID) |
---|
| 671 | { |
---|
| 672 | // the id map is not editable |
---|
| 673 | if (edgemap_to_edit == "id") return 0; |
---|
[1599] | 674 | |
---|
[1648] | 675 | //and there is activated map |
---|
| 676 | if(edgetextmap[clicked_edge]->property_text().get_value()!="") |
---|
| 677 | { |
---|
| 678 | //activate the general variable for it |
---|
| 679 | active_edge=clicked_edge; |
---|
[1599] | 680 | |
---|
[1648] | 681 | //create a dialog |
---|
[1849] | 682 | Gtk::Dialog dialog("Edit value", true); |
---|
[1648] | 683 | dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL); |
---|
| 684 | dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_ACCEPT); |
---|
| 685 | Gtk::VBox* vbox = dialog.get_vbox(); |
---|
[1826] | 686 | Gtk::SpinButton spin(0.0, 4); |
---|
| 687 | spin.set_increments(1.0, 10.0); |
---|
| 688 | spin.set_range(-1000000.0, 1000000.0); |
---|
[1648] | 689 | spin.set_numeric(true); |
---|
| 690 | vbox->add(spin); |
---|
| 691 | spin.show(); |
---|
| 692 | switch (dialog.run()) |
---|
| 693 | { |
---|
| 694 | case Gtk::RESPONSE_NONE: |
---|
| 695 | case Gtk::RESPONSE_CANCEL: |
---|
| 696 | break; |
---|
| 697 | case Gtk::RESPONSE_ACCEPT: |
---|
| 698 | double new_value = spin.get_value(); |
---|
[1849] | 699 | (*(mytab.mapstorage).edgemap_storage[edgemap_to_edit])[active_edge] = |
---|
[1648] | 700 | new_value; |
---|
| 701 | std::ostringstream ostr; |
---|
| 702 | ostr << new_value; |
---|
| 703 | edgetextmap[active_edge]->property_text().set_value( |
---|
| 704 | ostr.str()); |
---|
| 705 | //mapwin.updateEdge(active_edge); |
---|
[1837] | 706 | // mapwin.updateEdge(Edge(INVALID)); |
---|
| 707 | propertyUpdate(Edge(INVALID)); |
---|
[1648] | 708 | } |
---|
| 709 | } |
---|
| 710 | } |
---|
| 711 | break; |
---|
| 712 | } |
---|
| 713 | default: |
---|
| 714 | break; |
---|
[1550] | 715 | } |
---|
[1648] | 716 | } |
---|
[1550] | 717 | return false; |
---|
| 718 | } |
---|
| 719 | |
---|
| 720 | bool GraphDisplayerCanvas::nodeMapEditEventHandler(GdkEvent* e) |
---|
| 721 | { |
---|
[1599] | 722 | if(actual_tool==NODE_MAP_EDIT) |
---|
[1648] | 723 | { |
---|
| 724 | switch(e->type) |
---|
[1579] | 725 | { |
---|
[1648] | 726 | case GDK_BUTTON_PRESS: |
---|
| 727 | { |
---|
| 728 | //for determine, whether it was a node |
---|
| 729 | Node clicked_node=INVALID; |
---|
[1594] | 730 | |
---|
[1648] | 731 | window_to_world (e->button.x, e->button.y, clicked_x, clicked_y); |
---|
| 732 | active_item=(get_item_at(clicked_x, clicked_y)); |
---|
[1594] | 733 | |
---|
[1648] | 734 | //find the activated item between texts |
---|
[1849] | 735 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[1648] | 736 | { |
---|
| 737 | //at the same time only one can be active |
---|
| 738 | if(nodetextmap[i]==active_item) |
---|
| 739 | { |
---|
| 740 | clicked_node=i; |
---|
| 741 | } |
---|
| 742 | } |
---|
[1599] | 743 | |
---|
[1648] | 744 | //if there was not, search for it between nodes |
---|
| 745 | if(clicked_node==INVALID) |
---|
| 746 | { |
---|
[1849] | 747 | for (NodeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[1648] | 748 | { |
---|
| 749 | //at the same time only one can be active |
---|
| 750 | if(nodesmap[i]==active_item) |
---|
| 751 | { |
---|
| 752 | clicked_node=i; |
---|
| 753 | } |
---|
| 754 | } |
---|
| 755 | } |
---|
[1599] | 756 | |
---|
[1648] | 757 | //if it was really a node... |
---|
| 758 | if(clicked_node!=INVALID) |
---|
| 759 | { |
---|
| 760 | // the id map is not editable |
---|
| 761 | if (nodemap_to_edit == "id") return 0; |
---|
[1599] | 762 | |
---|
[1648] | 763 | //and there is activated map |
---|
| 764 | if(nodetextmap[clicked_node]->property_text().get_value()!="") |
---|
| 765 | { |
---|
| 766 | //activate the general variable for it |
---|
| 767 | active_node=clicked_node; |
---|
[1599] | 768 | |
---|
[1648] | 769 | //create a dialog |
---|
[1849] | 770 | Gtk::Dialog dialog("Edit value", true); |
---|
[1648] | 771 | dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL); |
---|
| 772 | dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_ACCEPT); |
---|
| 773 | Gtk::VBox* vbox = dialog.get_vbox(); |
---|
[1826] | 774 | Gtk::SpinButton spin(0.0, 4); |
---|
| 775 | spin.set_increments(1.0, 10.0); |
---|
| 776 | spin.set_range(-1000000.0, 1000000.0); |
---|
[1648] | 777 | spin.set_numeric(true); |
---|
| 778 | vbox->add(spin); |
---|
| 779 | spin.show(); |
---|
| 780 | switch (dialog.run()) |
---|
| 781 | { |
---|
| 782 | case Gtk::RESPONSE_NONE: |
---|
| 783 | case Gtk::RESPONSE_CANCEL: |
---|
| 784 | break; |
---|
| 785 | case Gtk::RESPONSE_ACCEPT: |
---|
| 786 | double new_value = spin.get_value(); |
---|
[1849] | 787 | (*(mytab.mapstorage).nodemap_storage[nodemap_to_edit])[active_node] = |
---|
[1648] | 788 | new_value; |
---|
| 789 | std::ostringstream ostr; |
---|
| 790 | ostr << new_value; |
---|
| 791 | nodetextmap[active_node]->property_text().set_value( |
---|
| 792 | ostr.str()); |
---|
| 793 | //mapwin.updateNode(active_node); |
---|
[1837] | 794 | // mapwin.updateNode(Node(INVALID)); |
---|
| 795 | propertyUpdate(Node(INVALID)); |
---|
[1648] | 796 | } |
---|
| 797 | } |
---|
| 798 | } |
---|
| 799 | break; |
---|
| 800 | } |
---|
| 801 | default: |
---|
| 802 | break; |
---|
[1579] | 803 | } |
---|
[1648] | 804 | } |
---|
[1579] | 805 | return false; |
---|
[1550] | 806 | } |
---|
| 807 | |
---|
[1643] | 808 | void GraphDisplayerCanvas::deleteItem(Node node_to_delete) |
---|
[1510] | 809 | { |
---|
[1512] | 810 | delete(nodetextmap[node_to_delete]); |
---|
[1510] | 811 | delete(nodesmap[node_to_delete]); |
---|
[1849] | 812 | (mytab.mapstorage).graph.erase(node_to_delete); |
---|
[1510] | 813 | } |
---|
| 814 | |
---|
[1643] | 815 | void GraphDisplayerCanvas::deleteItem(Edge edge_to_delete) |
---|
[1510] | 816 | { |
---|
[1512] | 817 | delete(edgetextmap[edge_to_delete]); |
---|
[1510] | 818 | delete(edgesmap[edge_to_delete]); |
---|
[1849] | 819 | (mytab.mapstorage).graph.erase(edge_to_delete); |
---|
[1510] | 820 | } |
---|
| 821 | |
---|
[1524] | 822 | void GraphDisplayerCanvas::textReposition(xy<double> new_place) |
---|
[1510] | 823 | { |
---|
| 824 | new_place+=(xy<double>(10,10)); |
---|
[1579] | 825 | edgetextmap[forming_edge]->property_x().set_value(new_place.x); |
---|
| 826 | edgetextmap[forming_edge]->property_y().set_value(new_place.y); |
---|
[1510] | 827 | } |
---|
| 828 | |
---|
[1524] | 829 | void GraphDisplayerCanvas::toggleEdgeActivity(BrokenEdge* active_bre, bool on) |
---|
[1510] | 830 | { |
---|
| 831 | if(on) |
---|
| 832 | { |
---|
[1579] | 833 | if(forming_edge!=INVALID) |
---|
[1510] | 834 | { |
---|
[1599] | 835 | std::cerr << "ERROR!!!! Valid edge found!" << std::endl; |
---|
[1510] | 836 | } |
---|
| 837 | else |
---|
| 838 | { |
---|
[1849] | 839 | for (EdgeIt i((mytab.mapstorage).graph); i!=INVALID; ++i) |
---|
[1510] | 840 | { |
---|
| 841 | if(edgesmap[i]==active_bre) |
---|
| 842 | { |
---|
[1579] | 843 | forming_edge=i; |
---|
[1510] | 844 | } |
---|
| 845 | } |
---|
| 846 | } |
---|
| 847 | } |
---|
| 848 | else |
---|
| 849 | { |
---|
[1579] | 850 | if(forming_edge!=INVALID) |
---|
[1510] | 851 | { |
---|
[1579] | 852 | forming_edge=INVALID; |
---|
[1510] | 853 | } |
---|
| 854 | else |
---|
| 855 | { |
---|
[1599] | 856 | std::cerr << "ERROR!!!! Invalid edge found!" << std::endl; |
---|
[1510] | 857 | } |
---|
| 858 | } |
---|
| 859 | } |
---|