| 1 | #include <stdio.h> |
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| 2 | #include <string.h> |
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| 3 | |
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| 4 | #include <arbdb.h> |
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| 5 | #include <arbdbt.h> |
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| 6 | |
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| 7 | #include <aw_root.hxx> |
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| 8 | #include <aw_device.hxx> |
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| 9 | #include <aw_window.hxx> |
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| 10 | #include <awt_canvas.hxx> |
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| 11 | #include <awt.hxx> |
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| 12 | |
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| 13 | #include <algorithm> |
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| 14 | |
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| 15 | using namespace std; |
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| 16 | using namespace AW; |
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| 17 | |
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| 18 | void AWT_motion_event(AW_window *aww, AWT_canvas *ntw, AW_CL cd2); |
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| 19 | void AWT_clip_expose(AW_window *aww,AWT_canvas *ntw, |
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| 20 | int left_border, int right_border, |
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| 21 | int top_border, int bottom_border, |
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| 22 | int hor_overlap, int ver_overlap); |
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| 23 | void AWT_expose_cb(AW_window *dummy,AWT_canvas *ntw, AW_CL cl2); |
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| 24 | void AWT_resize_cb(AW_window *dummy,AWT_canvas *ntw, AW_CL cl2); |
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| 25 | void AWT_focus_cb(AW_window *dummy,AWT_canvas *ntw); |
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| 26 | void AWT_input_event(AW_window *aww, AWT_canvas *ntw, AW_CL cd2); |
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| 27 | void AWT_motion_event(AW_window *aww, AWT_canvas *ntw, AW_CL cd2); |
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| 28 | void AWT_scroll_vert_cb( AW_window *aww, AWT_canvas* ntw, AW_CL cl1); |
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| 29 | void AWT_scroll_hor_cb( AW_window *aww, AWT_canvas* ntw, AW_CL cl1); |
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| 30 | |
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| 31 | |
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| 32 | void AWT_graphic_exports::clear(){ |
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| 33 | zoom_reset = 0; |
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| 34 | resize = 0; |
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| 35 | refresh = 0; |
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| 36 | save = 0; |
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| 37 | structure_change = 0; |
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| 38 | } |
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| 39 | |
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| 40 | void AWT_graphic_exports::init() { |
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| 41 | clear(); |
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| 42 | dont_fit_x = 0; |
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| 43 | dont_fit_y = 0; |
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| 44 | dont_fit_larger = 0; |
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| 45 | dont_scroll = 0; |
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| 46 | } |
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| 47 | |
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| 48 | void AWT_canvas::set_horizontal_scrollbar_position(AW_window *, int pos) { |
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| 49 | int maxpos = int(worldsize.r-rect.r)-1; |
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| 50 | if (pos>maxpos) pos = maxpos; |
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| 51 | if (pos<0) pos = 0; |
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| 52 | aww->set_horizontal_scrollbar_position(pos); |
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| 53 | } |
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| 54 | |
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| 55 | void AWT_canvas::set_vertical_scrollbar_position(AW_window *, int pos) { |
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| 56 | int maxpos = int(worldsize.b-rect.b)-1; |
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| 57 | if (pos>maxpos) pos = maxpos; |
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| 58 | if (pos<0) pos = 0; |
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| 59 | aww->set_vertical_scrollbar_position(pos); |
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| 60 | } |
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| 61 | |
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| 62 | void |
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| 63 | AWT_canvas::set_scrollbars( ) |
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| 64 | // |
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| 65 | { |
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| 66 | AW_pos width = this->worldinfo.r - this->worldinfo.l; |
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| 67 | AW_pos height = this->worldinfo.b - this->worldinfo.t; |
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| 68 | |
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| 69 | worldsize.l = 0; |
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| 70 | worldsize.r = width*this->trans_to_fit + |
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| 71 | tree_disp->exports.left_offset + tree_disp->exports.right_offset; |
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| 72 | worldsize.t = 0; |
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| 73 | AW_pos scale = this->trans_to_fit; |
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| 74 | if (tree_disp->exports.dont_fit_y) { |
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| 75 | scale = 1.0; |
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| 76 | } |
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| 77 | worldsize.b = height*scale + tree_disp->exports.top_offset + tree_disp->exports.bottom_offset; |
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| 78 | |
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| 79 | aww->tell_scrolled_picture_size(worldsize); |
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| 80 | |
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| 81 | aww->calculate_scrollbars(); |
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| 82 | |
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| 83 | this->old_hor_scroll_pos = (int)((-this->worldinfo.l - |
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| 84 | this->shift_x_to_fit)* |
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| 85 | this->trans_to_fit + |
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| 86 | tree_disp->exports.left_offset); |
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| 87 | this->set_horizontal_scrollbar_position(this->aww, old_hor_scroll_pos); |
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| 88 | |
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| 89 | this->old_vert_scroll_pos = (int)((-this->worldinfo.t - |
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| 90 | this->shift_y_to_fit)* |
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| 91 | this->trans_to_fit+ |
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| 92 | tree_disp->exports.top_offset); |
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| 93 | |
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| 94 | this->set_vertical_scrollbar_position(this->aww, old_vert_scroll_pos); |
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| 95 | } |
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| 96 | |
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| 97 | void AWT_canvas::init_device(AW_device *device) { |
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| 98 | device->reset(); |
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| 99 | device->shift(AW::Vector(shift_x_to_fit, shift_y_to_fit)); |
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| 100 | device->zoom(this->trans_to_fit); |
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| 101 | } |
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| 102 | |
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| 103 | void AWT_canvas::zoom_reset( void ) |
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| 104 | { |
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| 105 | GB_transaction dummy(this->gb_main); |
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| 106 | |
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| 107 | AW_device *device = aww->get_size_device (AW_MIDDLE_AREA); |
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| 108 | device->set_filter(AW_SIZE); |
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| 109 | device->reset(); |
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| 110 | this->tree_disp->show(device); |
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| 111 | device->get_size_information(&(this->worldinfo)); |
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| 112 | |
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| 113 | AW_pos width = this->worldinfo.r - this->worldinfo.l; |
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| 114 | AW_pos height = this->worldinfo.b - this->worldinfo.t; |
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| 115 | |
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| 116 | device->get_area_size(&(this->rect)); // real world size (no offset) |
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| 117 | |
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| 118 | AW_pos net_window_width = rect.r - rect.l - (tree_disp->exports.left_offset + tree_disp->exports.right_offset); |
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| 119 | AW_pos net_window_height = rect.b - rect.t - (tree_disp->exports.top_offset + tree_disp->exports.bottom_offset); |
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| 120 | |
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| 121 | if (net_window_width<AWT_MIN_WIDTH) net_window_width = AWT_MIN_WIDTH; |
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| 122 | if (net_window_height<AWT_MIN_WIDTH) net_window_height = AWT_MIN_WIDTH; |
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| 123 | |
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| 124 | if (width <EPS) width = EPS; |
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| 125 | AW_pos x_scale = net_window_width/width; |
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| 126 | if (height <EPS) height = EPS; |
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| 127 | AW_pos y_scale = net_window_height/height; |
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| 128 | |
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| 129 | if (tree_disp->exports.dont_fit_larger) { |
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| 130 | if (width>height) { // like dont_fit_x = 1; dont_fit_y = 0; |
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| 131 | x_scale = y_scale; |
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| 132 | } |
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| 133 | else { // like dont_fit_y = 1; dont_fit_x = 0; |
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| 134 | y_scale = x_scale; |
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| 135 | } |
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| 136 | } |
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| 137 | else { |
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| 138 | if (tree_disp->exports.dont_fit_x) { |
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| 139 | if (tree_disp->exports.dont_fit_y) { |
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| 140 | x_scale = y_scale = 1.0; |
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| 141 | } |
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| 142 | else { |
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| 143 | x_scale = y_scale; |
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| 144 | } |
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| 145 | } |
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| 146 | else { |
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| 147 | if (tree_disp->exports.dont_fit_y) { |
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| 148 | y_scale = x_scale; |
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| 149 | } |
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| 150 | else { |
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| 151 | ; |
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| 152 | } |
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| 153 | // if (tree_disp->exports.dont_fit_y) { // Ralf: old version (IMHO wrong) |
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| 154 | // ; |
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| 155 | // }else{ |
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| 156 | // if (y_scale < x_scale) x_scale = y_scale; |
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| 157 | // } |
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| 158 | } |
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| 159 | } |
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| 160 | |
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| 161 | this->trans_to_fit = x_scale; |
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| 162 | |
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| 163 | // complete, upper left corner |
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| 164 | this->shift_x_to_fit = - this->worldinfo.l + tree_disp->exports.left_offset/x_scale; |
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| 165 | this->shift_y_to_fit = - this->worldinfo.t + tree_disp->exports.top_offset/x_scale; |
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| 166 | |
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| 167 | this->old_hor_scroll_pos = 0; |
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| 168 | this->old_vert_scroll_pos = 0; |
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| 169 | |
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| 170 | // scale |
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| 171 | |
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| 172 | this->set_scrollbars(); |
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| 173 | } |
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| 174 | |
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| 175 | void |
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| 176 | AWT_canvas::recalc_size( void ){ |
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| 177 | GB_transaction dummy(this->gb_main); |
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| 178 | AW_device *device = aww->get_size_device (AW_MIDDLE_AREA); |
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| 179 | device->set_filter(AW_SIZE); |
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| 180 | device->reset(); |
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| 181 | |
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| 182 | this->tree_disp->show(device); |
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| 183 | device->get_size_information(&(this->worldinfo)); |
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| 184 | |
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| 185 | device->get_area_size(&(this->rect)); // real world size (no offset) |
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| 186 | this->set_scrollbars(); |
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| 187 | } |
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| 188 | |
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| 189 | void AWT_canvas::zoom(AW_device *device, bool zoomIn, const Rectangle& wanted_part, const Rectangle& current_part) { |
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| 190 | // zooms the device. |
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| 191 | // |
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| 192 | // zoomIn == true -> wanted_part is zoomed to current_part |
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| 193 | // zoomIn == false -> current_part is zoomed to wanted_part |
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| 194 | // |
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| 195 | // If wanted_part is very small -> assume mistake (act like single click) |
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| 196 | // Single click zooms by 10% centering on click position |
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| 197 | |
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| 198 | init_device(device); |
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| 199 | |
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| 200 | AW_pos width = worldinfo.r-worldinfo.l; |
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| 201 | AW_pos height = worldinfo.b-worldinfo.t; |
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| 202 | |
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| 203 | if (width<EPS) width = EPS; |
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| 204 | if (height<EPS) height = EPS; |
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| 205 | |
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| 206 | bool takex = true; |
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| 207 | bool takey = true; |
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| 208 | |
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| 209 | if (tree_disp) { |
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| 210 | if (tree_disp->exports.dont_fit_y) takey = false; |
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| 211 | if (tree_disp->exports.dont_fit_x) takex = false; |
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| 212 | if (tree_disp->exports.dont_fit_larger) { |
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| 213 | if (width>height) takey = false; |
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| 214 | else takex = false; |
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| 215 | } |
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| 216 | } |
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| 217 | |
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| 218 | if (!takex && !takey) { |
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| 219 | aw_message("Zoom does not work in this mode"); |
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| 220 | return; |
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| 221 | } |
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| 222 | |
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| 223 | Rectangle current(device->rtransform(current_part)); |
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| 224 | Rectangle wanted; |
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| 225 | |
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| 226 | bool isClick = false; |
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| 227 | if (takex) { |
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| 228 | if (takey) { |
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| 229 | if (wanted_part.line_vector().length()<40.0) isClick = true; |
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| 230 | } |
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| 231 | else { |
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| 232 | if (wanted_part.width()<30.0) isClick = true; |
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| 233 | } |
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| 234 | } |
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| 235 | else { |
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| 236 | if (wanted_part.height()<30.0) isClick = true; |
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| 237 | } |
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| 238 | |
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| 239 | if (isClick) { // very small part or single click |
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| 240 | // -> zomm by 10 % on click position |
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| 241 | Vector wanted_diagonal = current.diagonal()*0.45; |
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| 242 | |
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| 243 | Position clickPos = device->rtransform(wanted_part.centroid()); |
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| 244 | Position screenCenter = current.centroid(); |
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| 245 | |
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| 246 | Vector center2click(screenCenter, clickPos); |
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| 247 | Vector center2click_zoomed = center2click / 0.9; |
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| 248 | |
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| 249 | Position clickPos_zoomed = screenCenter+center2click_zoomed; |
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| 250 | Vector to_zoomed(clickPos, clickPos_zoomed); |
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| 251 | |
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| 252 | Position zoomedCenter = screenCenter+to_zoomed; |
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| 253 | |
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| 254 | // wanted = Rectangle(clickPos-wanted_diagonal, 2*wanted_diagonal); |
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| 255 | // zoom-rectangle around center |
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| 256 | wanted = Rectangle(zoomedCenter-wanted_diagonal, 2*wanted_diagonal); |
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| 257 | |
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| 258 | |
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| 259 | } |
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| 260 | else { |
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| 261 | wanted = Rectangle(device->rtransform(wanted_part)); |
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| 262 | } |
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| 263 | |
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| 264 | if (!zoomIn) { |
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| 265 | // calculate big rectangle (outside of viewport), which is zoomed into viewport |
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| 266 | |
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| 267 | if (takex && takey) { |
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| 268 | double factor = current.diagonal().length()/wanted.diagonal().length(); |
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| 269 | Vector curr2wanted(current.upper_left_corner(), wanted.upper_left_corner()); |
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| 270 | Rectangle big(current.upper_left_corner()+(curr2wanted*-factor), current.diagonal()*factor); |
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| 271 | |
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| 272 | wanted = big; |
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| 273 | } |
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| 274 | else { |
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| 275 | double factor; |
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| 276 | if (takex) { |
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| 277 | factor = current.width()/wanted.width(); |
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| 278 | } |
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| 279 | else { |
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| 280 | factor = current.height()/wanted.height(); |
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| 281 | awt_assert(takey); |
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| 282 | } |
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| 283 | Vector curr2wanted_start(current.upper_left_corner(), wanted.upper_left_corner()); |
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| 284 | Vector curr2wanted_end(current.lower_right_corner(), wanted.lower_right_corner()); |
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| 285 | Rectangle big(current.upper_left_corner()+(curr2wanted_start*-factor), |
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| 286 | current.lower_right_corner()+(curr2wanted_end*-factor)); |
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| 287 | |
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| 288 | wanted = big; |
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| 289 | } |
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| 290 | } |
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| 291 | |
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| 292 | // scroll |
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| 293 | shift_x_to_fit = takex ? -wanted.start().xpos() : (shift_x_to_fit+worldinfo.l)*trans_to_fit; |
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| 294 | shift_y_to_fit = takey ? -wanted.start().ypos() : (shift_y_to_fit+worldinfo.t)*trans_to_fit; |
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| 295 | |
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| 296 | // scale |
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| 297 | if ((rect.r-rect.l)<EPS) rect.r = rect.l+1; |
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| 298 | if ((rect.b-rect.t)<EPS) rect.b = rect.t+1; |
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| 299 | |
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| 300 | AW_pos max_trans_to_fit; |
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| 301 | if (takex) { |
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| 302 | if (takey) { // take both |
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| 303 | trans_to_fit = max((rect.r-rect.l)/wanted.width(), (rect.b-rect.t)/wanted.height()); |
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| 304 | max_trans_to_fit = 32000.0/max(width, height); |
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| 305 | } |
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| 306 | else { // takex |
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| 307 | trans_to_fit = (rect.r-rect.l)/wanted.width(); |
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| 308 | max_trans_to_fit = 32000.0/width; |
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| 309 | } |
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| 310 | } |
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| 311 | else { // takey |
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| 312 | trans_to_fit = (rect.b-rect.t)/wanted.height(); |
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| 313 | max_trans_to_fit = 32000.0/height; |
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| 314 | } |
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| 315 | if (trans_to_fit > max_trans_to_fit) { |
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| 316 | trans_to_fit = max_trans_to_fit; |
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| 317 | } |
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| 318 | |
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| 319 | // correct scrolling for "dont_fit"-direction |
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| 320 | if (takex == 0) shift_x_to_fit = (shift_x_to_fit/trans_to_fit)-worldinfo.l; |
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| 321 | if (takey == 0) shift_y_to_fit = (shift_y_to_fit/trans_to_fit)-worldinfo.t; |
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| 322 | |
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| 323 | set_scrollbars(); |
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| 324 | } |
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| 325 | |
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| 326 | inline void nt_draw_zoom_box(AW_device *device, int gc, AW_pos x1, AW_pos y1, AW_pos x2, AW_pos y2 ) { |
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| 327 | device->box(gc, false, x1, y1, x2-x1, y2-y1, AWT_F_ALL, 0, 0); |
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| 328 | } |
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| 329 | inline void nt_draw_zoom_box(AW_device *device, AWT_canvas *ntw) { |
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| 330 | nt_draw_zoom_box(device, ntw->drag_gc, |
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| 331 | ntw->zoom_drag_sx, ntw->zoom_drag_sy, |
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| 332 | ntw->zoom_drag_ex, ntw->zoom_drag_ey); |
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| 333 | } |
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| 334 | |
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| 335 | void AWT_clip_expose(AW_window *aww,AWT_canvas *ntw, |
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| 336 | int left_border, int right_border, |
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| 337 | int top_border, int bottom_border, |
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| 338 | int hor_overlap, int ver_overlap) |
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| 339 | { |
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| 340 | AW_device *device = aww->get_device (AW_MIDDLE_AREA); |
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| 341 | device->set_filter(AW_SCREEN); |
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| 342 | device->reset(); |
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| 343 | |
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| 344 | device->set_top_clip_border(top_border); |
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| 345 | device->set_bottom_clip_border(bottom_border); |
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| 346 | device->set_left_clip_border(left_border); |
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| 347 | device->set_right_clip_border(right_border); |
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| 348 | |
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| 349 | device->clear_part(left_border,top_border,right_border-left_border, |
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| 350 | bottom_border-top_border, -1); |
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| 351 | |
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| 352 | GB_transaction dummy(ntw->gb_main); |
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| 353 | |
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| 354 | if (ntw->tree_disp->check_update(ntw->gb_main)>0){ |
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| 355 | ntw->zoom_reset(); |
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| 356 | } |
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| 357 | |
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| 358 | ntw->init_device(device); |
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| 359 | |
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| 360 | if ( hor_overlap> 0.0) { |
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| 361 | device->set_right_clip_border(right_border + hor_overlap); |
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| 362 | } |
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| 363 | if ( hor_overlap< 0.0) { |
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| 364 | device->set_left_clip_border(left_border + hor_overlap); |
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| 365 | } |
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| 366 | if ( ver_overlap> 0.0) { |
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| 367 | device->set_bottom_clip_border(bottom_border + ver_overlap); |
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| 368 | } |
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| 369 | if ( ver_overlap< 0.0) { |
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| 370 | device->set_top_clip_border(top_border + ver_overlap); |
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| 371 | } |
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| 372 | ntw->tree_disp->show(device); |
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| 373 | } |
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| 374 | |
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| 375 | void AWT_expose_cb(AW_window *dummy,AWT_canvas *ntw, AW_CL){ |
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| 376 | AWUSE(dummy); |
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| 377 | ntw->refresh(); |
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| 378 | } |
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| 379 | |
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| 380 | void AWT_canvas::refresh( void ) |
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| 381 | { |
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| 382 | AW_device *device = this->aww->get_device (AW_MIDDLE_AREA); |
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| 383 | device->clear(-1); |
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| 384 | AWT_clip_expose(this->aww, this, this->rect.l, this->rect.r, |
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| 385 | this->rect.t, this->rect.b,0,0); |
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| 386 | } |
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| 387 | |
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| 388 | void AWT_resize_cb(AW_window *dummy,AWT_canvas *ntw, AW_CL) |
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| 389 | { |
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| 390 | AWUSE(dummy); |
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| 391 | ntw->zoom_reset(); |
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| 392 | AWT_expose_cb(ntw->aww, ntw, 0); |
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| 393 | } |
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| 394 | |
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| 395 | |
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| 396 | |
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| 397 | void AWT_focus_cb(AW_window *dummy,AWT_canvas *ntw){ |
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| 398 | AWUSE(dummy); |
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| 399 | if (!ntw->gb_main) return; |
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| 400 | ntw->tree_disp->push_transaction(ntw->gb_main); |
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| 401 | |
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| 402 | int flags = ntw->tree_disp->check_update(ntw->gb_main); |
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| 403 | if (flags){ |
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| 404 | ntw->recalc_size(); |
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| 405 | ntw->refresh(); |
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| 406 | } |
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| 407 | ntw->tree_disp->pop_transaction(ntw->gb_main); |
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| 408 | } |
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| 409 | |
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| 410 | static bool handleZoomEvent(AW_window *aww, AWT_canvas *ntw, AW_device *device, const AW_event& event) { |
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| 411 | bool handled = false; |
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| 412 | bool zoomIn = true; |
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| 413 | |
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| 414 | if (event.button == AWT_M_LEFT) { handled = true; } |
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| 415 | else if (event.button == AWT_M_RIGHT) { handled = true; zoomIn = false; } |
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| 416 | |
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| 417 | if (handled) { |
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| 418 | if (event.type == AW_Mouse_Press) { |
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| 419 | ntw->drag = 1; |
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| 420 | ntw->zoom_drag_sx = ntw->zoom_drag_ex = event.x; |
|---|
| 421 | ntw->zoom_drag_sy = ntw->zoom_drag_ey = event.y; |
|---|
| 422 | } |
|---|
| 423 | else { |
|---|
| 424 | /* delete last box */ |
|---|
| 425 | nt_draw_zoom_box(device, ntw); |
|---|
| 426 | ntw->drag = 0; |
|---|
| 427 | |
|---|
| 428 | Rectangle screen(ntw->rect); |
|---|
| 429 | Rectangle drag(ntw->zoom_drag_sx, ntw->zoom_drag_sy, ntw->zoom_drag_ex, ntw->zoom_drag_ey); |
|---|
| 430 | |
|---|
| 431 | ntw->zoom(device, zoomIn, drag, screen); |
|---|
| 432 | AWT_expose_cb(aww, ntw, 0); |
|---|
| 433 | } |
|---|
| 434 | } |
|---|
| 435 | return handled; |
|---|
| 436 | } |
|---|
| 437 | |
|---|
| 438 | void AWT_input_event(AW_window *aww, AWT_canvas *ntw, AW_CL cd2) |
|---|
| 439 | { |
|---|
| 440 | AWUSE(cd2); |
|---|
| 441 | AW_event event; |
|---|
| 442 | AW_device *device, *click_device; |
|---|
| 443 | |
|---|
| 444 | aww->get_event( &event ); |
|---|
| 445 | device = aww->get_device (AW_MIDDLE_AREA ); |
|---|
| 446 | |
|---|
| 447 | device->set_filter(AW_SCREEN); |
|---|
| 448 | device->reset(); |
|---|
| 449 | |
|---|
| 450 | ntw->tree_disp->exports.clear(); |
|---|
| 451 | if (ntw->gb_main) ntw->tree_disp->push_transaction(ntw->gb_main); |
|---|
| 452 | |
|---|
| 453 | ntw->tree_disp->check_update(ntw->gb_main); |
|---|
| 454 | |
|---|
| 455 | /*** here appear all modes which must be handled right here ***/ |
|---|
| 456 | |
|---|
| 457 | bool event_handled = false; |
|---|
| 458 | |
|---|
| 459 | if (ntw->mode == AWT_MODE_ZOOM) { // zoom mode is identical for all applications, so handle it here |
|---|
| 460 | event_handled = handleZoomEvent(aww, ntw, device, event); |
|---|
| 461 | } |
|---|
| 462 | |
|---|
| 463 | if (!event_handled) { |
|---|
| 464 | click_device = aww->get_click_device (AW_MIDDLE_AREA,event.x, event.y, AWT_CATCH_LINE, AWT_CATCH_TEXT, 0); |
|---|
| 465 | click_device->set_filter(AW_CLICK); |
|---|
| 466 | device->set_filter(AW_SCREEN); |
|---|
| 467 | |
|---|
| 468 | ntw->init_device(click_device); |
|---|
| 469 | ntw->init_device(device); |
|---|
| 470 | |
|---|
| 471 | ntw->tree_disp->show(click_device); |
|---|
| 472 | click_device->get_clicked_line(&ntw->clicked_line); |
|---|
| 473 | click_device->get_clicked_text(&ntw->clicked_text); |
|---|
| 474 | |
|---|
| 475 | ntw->tree_disp->command(device, ntw->mode, |
|---|
| 476 | event.button, event.keymodifier, event.keycode, event.character, |
|---|
| 477 | event.type, event.x, |
|---|
| 478 | event.y, &ntw->clicked_line, |
|---|
| 479 | &ntw->clicked_text ); |
|---|
| 480 | if (ntw->tree_disp->exports.save ) { |
|---|
| 481 | // save it |
|---|
| 482 | GB_ERROR error = ntw->tree_disp->save(ntw->gb_main, 0,0,0); |
|---|
| 483 | if (error) { |
|---|
| 484 | aw_message(error); |
|---|
| 485 | ntw->tree_disp->load(ntw->gb_main, 0,0,0); |
|---|
| 486 | } |
|---|
| 487 | } |
|---|
| 488 | if (ntw->gb_main) { |
|---|
| 489 | ntw->tree_disp->update(ntw->gb_main); |
|---|
| 490 | } |
|---|
| 491 | if (ntw->tree_disp->exports.zoom_reset) { |
|---|
| 492 | ntw->zoom_reset(); |
|---|
| 493 | ntw->refresh(); |
|---|
| 494 | } |
|---|
| 495 | else if (ntw->tree_disp->exports.resize) { |
|---|
| 496 | ntw->recalc_size(); |
|---|
| 497 | ntw->refresh(); |
|---|
| 498 | } |
|---|
| 499 | else if (ntw->tree_disp->exports.refresh) { |
|---|
| 500 | ntw->refresh(); |
|---|
| 501 | } |
|---|
| 502 | } |
|---|
| 503 | |
|---|
| 504 | ntw->zoom_drag_ex = event.x; |
|---|
| 505 | ntw->zoom_drag_ey = event.y; |
|---|
| 506 | if (ntw->gb_main) { |
|---|
| 507 | ntw->tree_disp->pop_transaction(ntw->gb_main); |
|---|
| 508 | } |
|---|
| 509 | } |
|---|
| 510 | |
|---|
| 511 | |
|---|
| 512 | void AWT_canvas::set_dragEndpoint(int dragx, int dragy) { |
|---|
| 513 | bool fit_proportional = false; |
|---|
| 514 | if (tree_disp) { |
|---|
| 515 | bool dont_fit_x = tree_disp->exports.dont_fit_x; |
|---|
| 516 | bool dont_fit_y = tree_disp->exports.dont_fit_y; |
|---|
| 517 | |
|---|
| 518 | if (tree_disp->exports.dont_fit_larger) { |
|---|
| 519 | AW_pos width = worldinfo.r-worldinfo.l; |
|---|
| 520 | AW_pos height = worldinfo.b-worldinfo.t; |
|---|
| 521 | |
|---|
| 522 | if (width>height) { // like dont_fit_x = 1; dont_fit_y = 0; |
|---|
| 523 | dont_fit_x = true; |
|---|
| 524 | } |
|---|
| 525 | else { // like dont_fit_y = 1; dont_fit_x = 0; |
|---|
| 526 | dont_fit_y = true; |
|---|
| 527 | } |
|---|
| 528 | } |
|---|
| 529 | |
|---|
| 530 | if (dont_fit_y) { |
|---|
| 531 | zoom_drag_sy = rect.t; |
|---|
| 532 | zoom_drag_ey = rect.b-1; |
|---|
| 533 | zoom_drag_ex = dragx; |
|---|
| 534 | } |
|---|
| 535 | else if (dont_fit_x) { |
|---|
| 536 | zoom_drag_sx = rect.l; |
|---|
| 537 | zoom_drag_ex = rect.r-1; |
|---|
| 538 | zoom_drag_ey = dragy; |
|---|
| 539 | } |
|---|
| 540 | else { |
|---|
| 541 | fit_proportional = true; |
|---|
| 542 | } |
|---|
| 543 | } |
|---|
| 544 | else { |
|---|
| 545 | fit_proportional = true; |
|---|
| 546 | } |
|---|
| 547 | |
|---|
| 548 | if (fit_proportional) { |
|---|
| 549 | zoom_drag_ex = dragx; |
|---|
| 550 | zoom_drag_ey = dragy; |
|---|
| 551 | |
|---|
| 552 | int drag_sx = zoom_drag_ex-zoom_drag_sx; |
|---|
| 553 | int drag_sy = zoom_drag_ey-zoom_drag_sy; |
|---|
| 554 | |
|---|
| 555 | bool correct_x = false; |
|---|
| 556 | bool correct_y = false; |
|---|
| 557 | double factor; |
|---|
| 558 | |
|---|
| 559 | int scr_sx = rect.r-rect.l; |
|---|
| 560 | int scr_sy = rect.b-rect.t; |
|---|
| 561 | |
|---|
| 562 | if (drag_sx == 0) { |
|---|
| 563 | if (drag_sy != 0) { factor = double(drag_sy)/scr_sy; correct_x = true; } |
|---|
| 564 | } |
|---|
| 565 | else { |
|---|
| 566 | if (drag_sy == 0) { factor = double(drag_sx)/scr_sx; correct_y = true; } |
|---|
| 567 | else { |
|---|
| 568 | double facx = double(drag_sx)/scr_sx; |
|---|
| 569 | double facy = double(drag_sy)/scr_sy; |
|---|
| 570 | |
|---|
| 571 | if (fabs(facx)>fabs(facy)) { factor = facx; correct_y = true; } |
|---|
| 572 | else { factor = facy; correct_x = true; } |
|---|
| 573 | } |
|---|
| 574 | } |
|---|
| 575 | |
|---|
| 576 | if (correct_x) { |
|---|
| 577 | int width = int(scr_sx*factor) * ((drag_sx*drag_sy) < 0 ? -1 : 1); |
|---|
| 578 | zoom_drag_ex = zoom_drag_sx+width; |
|---|
| 579 | } |
|---|
| 580 | else if (correct_y) { |
|---|
| 581 | int height = int(scr_sy*factor) * ((drag_sx*drag_sy) < 0 ? -1 : 1); |
|---|
| 582 | zoom_drag_ey = zoom_drag_sy+height; |
|---|
| 583 | } |
|---|
| 584 | } |
|---|
| 585 | } |
|---|
| 586 | |
|---|
| 587 | void AWT_motion_event(AW_window *aww, AWT_canvas *ntw, AW_CL cd2) { |
|---|
| 588 | AWUSE(cd2); |
|---|
| 589 | AW_event event; |
|---|
| 590 | AW_device *device,*click_device; |
|---|
| 591 | int dx, dy; |
|---|
| 592 | |
|---|
| 593 | device = aww->get_device (AW_MIDDLE_AREA ); |
|---|
| 594 | device->reset(); |
|---|
| 595 | device->set_filter(AW_SCREEN); |
|---|
| 596 | |
|---|
| 597 | if (ntw->gb_main) ntw->tree_disp->push_transaction(ntw->gb_main); |
|---|
| 598 | aww->get_event( &event ); |
|---|
| 599 | |
|---|
| 600 | if (event.button == AWT_M_MIDDLE) { |
|---|
| 601 | // shift display in ALL modes |
|---|
| 602 | dx = event.x - ntw->zoom_drag_ex; |
|---|
| 603 | dy = event.y - ntw->zoom_drag_ey; |
|---|
| 604 | |
|---|
| 605 | ntw->zoom_drag_ex = event.x; |
|---|
| 606 | ntw->zoom_drag_ey = event.y; |
|---|
| 607 | |
|---|
| 608 | |
|---|
| 609 | /* display */ |
|---|
| 610 | ntw->scroll(aww, -dx *3, -dy *3); |
|---|
| 611 | } |
|---|
| 612 | else { |
|---|
| 613 | bool run_command = true; |
|---|
| 614 | |
|---|
| 615 | if (event.button == AWT_M_LEFT || event.button == AWT_M_RIGHT) { |
|---|
| 616 | switch (ntw->mode) { |
|---|
| 617 | case AWT_MODE_ZOOM: |
|---|
| 618 | nt_draw_zoom_box(device, ntw); |
|---|
| 619 | ntw->set_dragEndpoint(event.x, event.y); |
|---|
| 620 | nt_draw_zoom_box(device, ntw); |
|---|
| 621 | run_command = false; |
|---|
| 622 | break; |
|---|
| 623 | |
|---|
| 624 | case AWT_MODE_SWAP2: |
|---|
| 625 | if (event.button == AWT_M_RIGHT) break; |
|---|
| 626 | // fall-through |
|---|
| 627 | case AWT_MODE_MOVE: |
|---|
| 628 | ntw->init_device(device); |
|---|
| 629 | click_device = aww->get_click_device (AW_MIDDLE_AREA, |
|---|
| 630 | event.x, event.y, AWT_CATCH_LINE, |
|---|
| 631 | AWT_CATCH_TEXT, 0); |
|---|
| 632 | click_device->set_filter(AW_CLICK_DRAG); |
|---|
| 633 | ntw->init_device(click_device); |
|---|
| 634 | ntw->tree_disp->show(click_device); |
|---|
| 635 | click_device->get_clicked_line(&ntw->clicked_line); |
|---|
| 636 | click_device->get_clicked_text(&ntw->clicked_text); |
|---|
| 637 | run_command = false; |
|---|
| 638 | break; |
|---|
| 639 | |
|---|
| 640 | default : |
|---|
| 641 | break; |
|---|
| 642 | } |
|---|
| 643 | } |
|---|
| 644 | |
|---|
| 645 | if (run_command) { |
|---|
| 646 | ntw->init_device(device); |
|---|
| 647 | ntw->tree_disp->command(device, ntw->mode, |
|---|
| 648 | event.button, event.keymodifier, event.keycode, event.character, AW_Mouse_Drag, event.x, |
|---|
| 649 | event.y, &ntw->clicked_line, |
|---|
| 650 | &ntw->clicked_text ); |
|---|
| 651 | if (ntw->gb_main) { |
|---|
| 652 | ntw->tree_disp->update(ntw->gb_main); |
|---|
| 653 | } |
|---|
| 654 | } |
|---|
| 655 | } |
|---|
| 656 | |
|---|
| 657 | if (ntw->tree_disp->exports.zoom_reset) { |
|---|
| 658 | ntw->zoom_reset(); |
|---|
| 659 | ntw->refresh(); |
|---|
| 660 | } |
|---|
| 661 | else if (ntw->tree_disp->exports.resize) { |
|---|
| 662 | ntw->recalc_size(); |
|---|
| 663 | ntw->refresh(); |
|---|
| 664 | } |
|---|
| 665 | else if (ntw->tree_disp->exports.refresh) { |
|---|
| 666 | ntw->refresh(); |
|---|
| 667 | } |
|---|
| 668 | |
|---|
| 669 | if (ntw->gb_main) ntw->tree_disp->pop_transaction(ntw->gb_main); |
|---|
| 670 | } |
|---|
| 671 | |
|---|
| 672 | void AWT_canvas::scroll( AW_window *dummy, int dx, int dy, bool dont_update_scrollbars) { |
|---|
| 673 | AWUSE(dummy); |
|---|
| 674 | |
|---|
| 675 | int csx, cdx, cwidth, csy, cdy, cheight; |
|---|
| 676 | AW_device *device; |
|---|
| 677 | if (!dont_update_scrollbars) { |
|---|
| 678 | this->old_hor_scroll_pos += dx; |
|---|
| 679 | this->set_horizontal_scrollbar_position(aww, this->old_hor_scroll_pos); |
|---|
| 680 | this->old_vert_scroll_pos += dy; |
|---|
| 681 | this->set_vertical_scrollbar_position(aww, this->old_vert_scroll_pos); |
|---|
| 682 | } |
|---|
| 683 | device = aww->get_device (AW_MIDDLE_AREA); |
|---|
| 684 | device->set_filter(AW_SCREEN); |
|---|
| 685 | device->reset(); |
|---|
| 686 | int screenwidth = this->rect.r-this->rect.l; |
|---|
| 687 | int screenheight = this->rect.b-this->rect.t; |
|---|
| 688 | |
|---|
| 689 | /* compute move area params */ |
|---|
| 690 | |
|---|
| 691 | if(dx>0){ |
|---|
| 692 | csx = dx; |
|---|
| 693 | cdx = 0; |
|---|
| 694 | cwidth = screenwidth-dx; |
|---|
| 695 | }else{ |
|---|
| 696 | csx = 0; |
|---|
| 697 | cdx = -dx; |
|---|
| 698 | cwidth = screenwidth+dx; |
|---|
| 699 | } |
|---|
| 700 | if(dy>0){ |
|---|
| 701 | csy = dy; |
|---|
| 702 | cdy = 0; |
|---|
| 703 | cheight = screenheight-dy; |
|---|
| 704 | }else{ |
|---|
| 705 | csy = 0; |
|---|
| 706 | cdy = -dy; |
|---|
| 707 | cheight = screenheight+dy; |
|---|
| 708 | } |
|---|
| 709 | |
|---|
| 710 | /* move area */ |
|---|
| 711 | if (!tree_disp->exports.dont_scroll){ |
|---|
| 712 | device->move_region( csx, csy, cwidth, cheight, cdx, cdy); |
|---|
| 713 | /* redraw stripes */ |
|---|
| 714 | this->shift_x_to_fit -= dx/this->trans_to_fit; |
|---|
| 715 | this->shift_y_to_fit -= dy/this->trans_to_fit; |
|---|
| 716 | |
|---|
| 717 | // x-stripe |
|---|
| 718 | if((int)dx>0){ |
|---|
| 719 | AWT_clip_expose(aww, this, screenwidth-dx, screenwidth, |
|---|
| 720 | 0, screenheight, |
|---|
| 721 | -CLIP_OVERLAP , 0); |
|---|
| 722 | } |
|---|
| 723 | if((int)dx<0){ |
|---|
| 724 | AWT_clip_expose(aww, this, 0, -dx, |
|---|
| 725 | 0, screenheight, |
|---|
| 726 | CLIP_OVERLAP,0); |
|---|
| 727 | } |
|---|
| 728 | |
|---|
| 729 | // y-stripe |
|---|
| 730 | if((int)dy>0){ |
|---|
| 731 | AWT_clip_expose(aww, this, 0, screenwidth, |
|---|
| 732 | screenheight-dy, screenheight, |
|---|
| 733 | 0,-CLIP_OVERLAP); |
|---|
| 734 | } |
|---|
| 735 | if((int)dy<0){ |
|---|
| 736 | AWT_clip_expose(aww, this, 0, screenwidth, |
|---|
| 737 | 0, -dy, |
|---|
| 738 | 0, CLIP_OVERLAP); |
|---|
| 739 | } |
|---|
| 740 | }else{ // redraw everything |
|---|
| 741 | /* redraw stripes */ |
|---|
| 742 | this->shift_x_to_fit -= dx/this->trans_to_fit; |
|---|
| 743 | this->shift_y_to_fit -= dy/this->trans_to_fit; |
|---|
| 744 | AWT_expose_cb(aww, this, 0); |
|---|
| 745 | } |
|---|
| 746 | this->refresh(); |
|---|
| 747 | } |
|---|
| 748 | |
|---|
| 749 | void |
|---|
| 750 | AWT_scroll_vert_cb( AW_window *aww, AWT_canvas* ntw, AW_CL cl1) |
|---|
| 751 | { |
|---|
| 752 | AWUSE(cl1); |
|---|
| 753 | int delta_screen_y; |
|---|
| 754 | |
|---|
| 755 | int new_vert = aww->slider_pos_vertical; |
|---|
| 756 | delta_screen_y = (new_vert - ntw->old_vert_scroll_pos) ; |
|---|
| 757 | |
|---|
| 758 | |
|---|
| 759 | ntw->scroll(aww, 0, delta_screen_y, true); |
|---|
| 760 | |
|---|
| 761 | ntw->old_vert_scroll_pos = (int)new_vert; |
|---|
| 762 | |
|---|
| 763 | } |
|---|
| 764 | |
|---|
| 765 | void |
|---|
| 766 | AWT_scroll_hor_cb( AW_window *aww, AWT_canvas* ntw, AW_CL cl1) |
|---|
| 767 | { |
|---|
| 768 | AWUSE(cl1); |
|---|
| 769 | int delta_screen_x; |
|---|
| 770 | |
|---|
| 771 | int new_hor = aww->slider_pos_horizontal; |
|---|
| 772 | delta_screen_x = (new_hor - ntw->old_hor_scroll_pos) ; |
|---|
| 773 | |
|---|
| 774 | ntw->scroll(aww, delta_screen_x, 0, true); |
|---|
| 775 | |
|---|
| 776 | ntw->old_hor_scroll_pos = new_hor; |
|---|
| 777 | } |
|---|
| 778 | |
|---|
| 779 | |
|---|
| 780 | AWT_canvas::AWT_canvas(GBDATA *gb_maini, AW_window *awwi, AWT_graphic *awd, AW_gc_manager &set_gc_manager, const char *user_awari) |
|---|
| 781 | : user_awar(strdup(user_awari)) |
|---|
| 782 | , shift_x_to_fit(0) |
|---|
| 783 | , shift_y_to_fit(0) |
|---|
| 784 | , gb_main(gb_maini) |
|---|
| 785 | , aww(awwi) |
|---|
| 786 | , awr(aww->get_root()) |
|---|
| 787 | , tree_disp(awd) |
|---|
| 788 | , gc_manager(tree_disp->init_devices(aww, aww->get_device (AW_MIDDLE_AREA), this, (AW_CL)0)) |
|---|
| 789 | , drag_gc(aww->main_drag_gc) |
|---|
| 790 | , mode(AWT_MODE_NONE) |
|---|
| 791 | { |
|---|
| 792 | tree_disp->drag_gc = drag_gc; |
|---|
| 793 | set_gc_manager = gc_manager; |
|---|
| 794 | |
|---|
| 795 | memset((char *)&clicked_line,0,sizeof(clicked_line)); |
|---|
| 796 | memset((char *)&clicked_text,0,sizeof(clicked_text)); |
|---|
| 797 | |
|---|
| 798 | AWT_resize_cb(aww, this, 0); |
|---|
| 799 | |
|---|
| 800 | aww->set_expose_callback (AW_MIDDLE_AREA, (AW_CB)AWT_expose_cb, (AW_CL)this, 0); |
|---|
| 801 | aww->set_resize_callback (AW_MIDDLE_AREA,(AW_CB)AWT_resize_cb, (AW_CL)this, 0); |
|---|
| 802 | aww->set_input_callback (AW_MIDDLE_AREA,(AW_CB)AWT_input_event,(AW_CL)this, 0 ); |
|---|
| 803 | aww->set_focus_callback ((AW_CB)AWT_focus_cb,(AW_CL)this, 0 ); |
|---|
| 804 | |
|---|
| 805 | aww->set_motion_callback (AW_MIDDLE_AREA,(AW_CB)AWT_motion_event,(AW_CL)this, 0 ); |
|---|
| 806 | aww->set_horizontal_change_callback((AW_CB)AWT_scroll_hor_cb,(AW_CL)this, 0 ); |
|---|
| 807 | aww->set_vertical_change_callback((AW_CB)AWT_scroll_vert_cb,(AW_CL)this, 0 ); |
|---|
| 808 | } |
|---|
| 809 | |
|---|
| 810 | // -------------------- |
|---|
| 811 | // AWT_graphic |
|---|
| 812 | // -------------------- |
|---|
| 813 | |
|---|
| 814 | AWT_graphic::AWT_graphic(void) { |
|---|
| 815 | exports.init(); |
|---|
| 816 | } |
|---|
| 817 | AWT_graphic::~AWT_graphic(void) { |
|---|
| 818 | } |
|---|
| 819 | |
|---|
| 820 | void AWT_graphic::pop_transaction(GBDATA *gb_main) { |
|---|
| 821 | GB_pop_transaction(gb_main); |
|---|
| 822 | } |
|---|
| 823 | void AWT_graphic::push_transaction(GBDATA *gb_main) { |
|---|
| 824 | GB_push_transaction(gb_main); |
|---|
| 825 | } |
|---|
| 826 | |
|---|
| 827 | void AWT_graphic::command(AW_device *, AWT_COMMAND_MODE, int, AW_key_mod, AW_key_code, char, |
|---|
| 828 | AW_event_type, AW_pos, AW_pos, AW_clicked_line *, AW_clicked_text *) |
|---|
| 829 | { |
|---|
| 830 | } |
|---|
| 831 | |
|---|
| 832 | void AWT_graphic::text(AW_device */*device*/, char */*text*/) { |
|---|
| 833 | } |
|---|
| 834 | |
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| 835 | // -------------------------- |
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| 836 | // AWT_nonDB_graphic |
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| 837 | // -------------------------- |
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| 838 | |
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| 839 | AWT_nonDB_graphic::~AWT_nonDB_graphic() {} |
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| 840 | |
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| 841 | GB_ERROR AWT_nonDB_graphic::load(GBDATA *, const char *, AW_CL, AW_CL) { |
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| 842 | return "AWT_nonDB_graphic cannot be loaded"; |
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| 843 | } |
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| 844 | |
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| 845 | GB_ERROR AWT_nonDB_graphic::save(GBDATA *, const char *, AW_CL, AW_CL) { |
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| 846 | return "AWT_nonDB_graphic cannot be saved"; |
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| 847 | } |
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| 848 | |
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| 849 | int AWT_nonDB_graphic::check_update(GBDATA *) { |
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| 850 | #if defined(DEBUG) |
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| 851 | printf("AWT_nonDB_graphic can't be check for update\n"); |
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| 852 | #endif // DEBUG |
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| 853 | return -1; |
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| 854 | } |
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| 855 | void AWT_nonDB_graphic::update(GBDATA *) { |
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| 856 | #if defined(DEBUG) |
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| 857 | printf("AWT_nonDB_graphic can't be updated\n"); |
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| 858 | #endif // DEBUG |
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| 859 | } |
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| 860 | |
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