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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2023 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include "pch.h" |
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30 | |
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31 | #include "table.h" |
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32 | #include "container.h" |
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33 | #include "util.h" |
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34 | #include "icons.h" |
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35 | |
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36 | #include "../common/context.h" |
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37 | #include "../common/object.h" |
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38 | #include "../common/types.h" |
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39 | |
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40 | #include <winrt/Microsoft.UI.Xaml.Data.h> |
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41 | #include <winrt/Microsoft.UI.Xaml.Media.h> |
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42 | #include <winrt/Microsoft.UI.Xaml.Input.h> |
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43 | #include <winrt/Windows.UI.Core.h> |
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44 | #include <winrt/Windows.ApplicationModel.h> |
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45 | #include <winrt/Windows.ApplicationModel.DataTransfer.h> |
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46 | |
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47 | using namespace winrt; |
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48 | using namespace Microsoft::UI::Xaml; |
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49 | using namespace Microsoft::UI::Xaml::Controls; |
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50 | using namespace Windows::UI::Xaml::Interop; |
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51 | using namespace winrt::Windows::Foundation; |
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52 | using namespace winrt::Microsoft::UI::Xaml::Controls::Primitives; |
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53 | using namespace winrt::Microsoft::UI::Xaml::Media; |
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54 | using namespace winrt::Windows::UI::Xaml::Input; |
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55 | |
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56 | static UINT ui_double_click_time = GetDoubleClickTime(); |
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57 | |
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58 | extern "C" void reg_table_destructor(UiContext * ctx, UiTable * table) { |
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59 | // TODO: |
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60 | } |
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61 | |
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62 | static void textblock_set_str(TextBlock& t, const char* str) { |
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63 | if (str) { |
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64 | wchar_t* wstr = str2wstr(str, nullptr); |
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65 | t.Text(winrt::hstring(wstr)); |
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66 | free(wstr); |
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67 | } |
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68 | } |
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69 | |
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70 | static void textblock_set_int(TextBlock& t, int i) { |
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71 | wchar_t buf[16]; |
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72 | swprintf(buf, 16, L"%d", i); |
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73 | t.Text(winrt::hstring(buf)); |
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74 | } |
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75 | |
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76 | UIEXPORT UIWIDGET ui_table_create(UiObject* obj, UiListArgs args) { |
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77 | if (!args.model) { |
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78 | return nullptr; |
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79 | } |
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80 | |
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81 | UiObject* current = uic_current_obj(obj); |
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82 | |
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83 | // create widgets and wrapper obj |
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84 | ScrollViewer scrollW = ScrollViewer(); |
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85 | Grid grid = Grid(); |
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86 | scrollW.Content(grid); |
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87 | UiTable* uitable = new UiTable(obj, scrollW, grid); |
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88 | reg_table_destructor(current->ctx, uitable); |
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89 | |
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90 | uitable->getvalue = args.model->getvalue ? args.model->getvalue : args.getvalue; |
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91 | uitable->onselection = args.onselection; |
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92 | uitable->onselectiondata = args.onselectiondata; |
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93 | uitable->onactivate = args.onactivate; |
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94 | uitable->onactivatedata = args.onactivatedata; |
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95 | uitable->ondragstart = args.ondragstart; |
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96 | uitable->ondragstartdata = args.ondragstartdata; |
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97 | uitable->ondragcomplete = args.ondragcomplete; |
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98 | uitable->ondrop = args.ondrop; |
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99 | uitable->ondropdata = args.ondropsdata; |
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100 | |
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101 | // grid styling |
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102 | winrt::Windows::UI::Color bg = { 255, 255, 255, 255 }; // test color |
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103 | SolidColorBrush brush = SolidColorBrush(bg); |
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104 | grid.Background(brush); |
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105 | |
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106 | // add columns from args.model |
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107 | uitable->add_header(args.model); |
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108 | |
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109 | // bind var |
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110 | UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.list, args.varname, UI_VAR_LIST); |
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111 | if (var) { |
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112 | UiList* list = (UiList*)var->value; |
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113 | list->update = ui_table_update; |
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114 | list->getselection = ui_table_selection; |
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115 | list->obj = uitable; |
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116 | uitable->update(list, 0); |
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117 | } |
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118 | |
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119 | // create toolkit wrapper object and register destructor |
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120 | UIElement elm = scrollW; |
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121 | UiWidget* widget = new UiWidget(elm); |
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122 | ui_context_add_widget_destructor(current->ctx, widget); |
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123 | |
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124 | // add scrollW to current container |
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125 | UI_APPLY_LAYOUT1(current, args); |
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126 | |
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127 | current->container->Add(scrollW, false); |
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128 | |
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129 | return widget; |
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130 | } |
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131 | |
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132 | extern "C" void ui_table_update(UiList * list, int i) { |
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133 | UiTable* table = (UiTable*)list->obj; |
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134 | table->clear(); |
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135 | table->update(list, i); |
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136 | } |
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137 | |
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138 | extern "C" UiListSelection ui_table_selection(UiList * list) { |
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139 | UiTable* table = (UiTable*)list->obj; |
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140 | return table->uiselection(); |
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141 | } |
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142 | |
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143 | UiTable::UiTable(UiObject *obj, winrt::Microsoft::UI::Xaml::Controls::ScrollViewer scrollW, winrt::Microsoft::UI::Xaml::Controls::Grid grid) { |
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144 | this->obj = obj; |
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145 | |
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146 | this->scrollw = scrollw; |
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147 | this->grid = grid; |
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148 | |
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149 | winrt::Windows::UI::Color highlightBg = { 255, 234, 234, 234 }; |
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150 | highlightBrush = SolidColorBrush(highlightBg); |
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151 | |
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152 | winrt::Windows::UI::Color defaultBg = { 0, 0, 0, 0 }; // default |
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153 | defaultBrush = SolidColorBrush(defaultBg); |
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154 | |
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155 | winrt::Windows::UI::Color selectedBg = { 255, 204, 232, 255 }; // test color |
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156 | selectedBrush = SolidColorBrush(selectedBg); |
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157 | |
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158 | winrt::Windows::UI::Color selectedFg = { 255, 0, 90, 158 }; // test color |
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159 | selectedBorderBrush = SolidColorBrush(selectedFg); |
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160 | |
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161 | grid.KeyDown( |
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162 | winrt::Microsoft::UI::Xaml::Input::KeyEventHandler( |
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163 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::KeyRoutedEventArgs const& args) { |
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164 | // key event for hanling the table cursor or enter |
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165 | }) |
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166 | ); |
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167 | } |
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168 | |
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169 | UiTable::~UiTable() { |
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170 | ui_model_free(NULL, model); |
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171 | } |
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172 | |
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173 | void UiTable::add_header(UiModel* model) { |
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174 | this->model = ui_model_copy(NULL, model); |
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175 | |
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176 | GridLength gl; |
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177 | gl.Value = 0; |
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178 | gl.GridUnitType = GridUnitType::Auto; |
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179 | |
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180 | // add header row definition |
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181 | auto headerRowDef = RowDefinition(); |
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182 | headerRowDef.Height(gl); |
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183 | grid.RowDefinitions().Append(headerRowDef); |
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184 | |
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185 | winrt::Windows::UI::Color borderColor = { 63, 0, 0, 0 }; |
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186 | SolidColorBrush borderBrush = SolidColorBrush(borderColor); |
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187 | |
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188 | |
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189 | for (int i = 0; i < model->columns;i++) { |
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190 | char* title = model->titles[i]; |
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191 | UiModelType type = model->types[i]; |
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192 | |
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193 | // add grid column definition |
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194 | auto colDef = ColumnDefinition(); |
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195 | colDef.Width(gl); |
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196 | grid.ColumnDefinitions().Append(colDef); |
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197 | |
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198 | // header column border |
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199 | Border headerBorder = Border(); |
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200 | Thickness border = { 0,0,1,0 }; |
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201 | headerBorder.BorderThickness(border); |
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202 | headerBorder.BorderBrush(borderBrush); |
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203 | |
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204 | // add text |
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205 | auto hLabel = TextBlock(); |
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206 | textblock_set_str(hLabel, title); |
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207 | Thickness cellpadding = { 10,4,4,4 }; |
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208 | hLabel.Padding(cellpadding); |
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209 | hLabel.VerticalAlignment(VerticalAlignment::Stretch); |
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210 | |
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211 | // event handler for highlighting and column resizing |
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212 | headerBorder.PointerPressed( |
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213 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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214 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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215 | // the last column doesn't need resize capabilities |
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216 | if (i + 1 < model->columns) { |
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217 | double width = headerBorder.ActualWidth(); |
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218 | auto point = args.GetCurrentPoint(headerBorder); |
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219 | auto position = point.Position(); |
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220 | if (position.X + 4 >= width) { |
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221 | this->resize = true; |
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222 | this->resizedCol = headerBorder; |
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223 | } |
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224 | } |
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225 | }) |
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226 | ); |
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227 | headerBorder.PointerReleased( |
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228 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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229 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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230 | this->resize = false; |
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231 | }) |
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232 | ); |
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233 | headerBorder.PointerMoved( |
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234 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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235 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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236 | if (this->resize) { |
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237 | auto point = args.GetCurrentPoint(this->resizedCol); |
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238 | auto position = point.Position(); |
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239 | if (position.X > 1) { |
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240 | this->resizedCol.Width(position.X); |
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241 | } |
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242 | } |
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243 | }) |
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244 | ); |
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245 | headerBorder.PointerEntered( |
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246 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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247 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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248 | // TODO: background |
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249 | }) |
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250 | ); |
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251 | headerBorder.PointerExited( |
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252 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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253 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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254 | // TODO: background |
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255 | }) |
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256 | ); |
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257 | |
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258 | |
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259 | |
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260 | // add controls |
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261 | headerBorder.Child(hLabel); |
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262 | |
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263 | grid.SetColumn(headerBorder, i); |
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264 | grid.SetRow(headerBorder, 0); |
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265 | grid.Children().Append(headerBorder); |
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266 | |
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267 | UiTableColumn h; |
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268 | h.header = headerBorder; |
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269 | header.push_back(h); |
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270 | } |
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271 | |
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272 | maxrows = 1; |
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273 | } |
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274 | |
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275 | static ULONG64 getsystime() { |
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276 | SYSTEMTIME st; |
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277 | GetSystemTime(&st); |
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278 | return st.wYear * 10000000000000 + |
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279 | st.wMonth * 100000000000 + |
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280 | st.wDay * 1000000000 + |
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281 | st.wHour * 10000000 + |
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282 | st.wMinute * 100000 + |
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283 | st.wSecond * 1000 + |
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284 | st.wMilliseconds; |
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285 | } |
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286 | |
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287 | void UiTable::update(UiList* list, int i) { |
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288 | if (getvalue == nullptr) { |
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289 | return; |
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290 | } |
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291 | |
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292 | Thickness b1 = { 1, 1, 0, 1 }; // first col |
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293 | Thickness b2 = { 0, 1, 0, 1 }; // middle |
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294 | Thickness b3 = { 0, 1, 1, 1 }; // last col |
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295 | |
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296 | GridLength gl; |
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297 | gl.Value = 0; |
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298 | gl.GridUnitType = GridUnitType::Auto; |
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299 | |
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300 | // iterate model |
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301 | int row = 1; |
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302 | void* elm = list->first(list); |
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303 | while (elm) { |
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304 | if (row >= maxrows) { |
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305 | auto rowdef = RowDefinition(); |
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306 | rowdef.Height(gl); |
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307 | grid.RowDefinitions().Append(rowdef); |
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308 | maxrows = row; |
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309 | } |
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310 | |
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311 | Thickness cellpadding = { 10,0,4,0 }; |
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312 | |
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313 | // model column, usually the same as col, however UI_ICON_TEXT uses two columns in the model |
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314 | int model_col = 0; |
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315 | for (int col = 0; col < header.size(); col++, model_col++) { |
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316 | // create ui elements with the correct cell border |
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317 | // dependeing on the column |
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318 | Border cellBorder = Border(); |
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319 | cellBorder.Background(defaultBrush); |
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320 | cellBorder.BorderBrush(defaultBrush); |
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321 | if (col == 0) { |
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322 | cellBorder.BorderThickness(b1); |
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323 | } |
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324 | else if (col + 1 == header.size()) { |
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325 | cellBorder.BorderThickness(b3); |
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326 | } |
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327 | else { |
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328 | cellBorder.BorderThickness(b2); |
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329 | } |
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330 | |
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331 | // dnd |
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332 | if (ondragstart) { |
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333 | cellBorder.CanDrag(true); |
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334 | cellBorder.DragStarting([this](IInspectable const& sender, DragStartingEventArgs args) { |
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335 | UiDnD dnd; |
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336 | dnd.evttype = 0; |
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337 | dnd.dndstartargs = args; |
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338 | dnd.dndcompletedargs = { nullptr }; |
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339 | dnd.drageventargs = { nullptr }; |
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340 | dnd.data = args.Data(); |
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341 | |
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342 | UiListDnd dndevt; |
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343 | dndevt.selection = uiselection(); |
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344 | dndevt.dnd = &dnd; |
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345 | |
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346 | UiEvent evt; |
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347 | evt.obj = this->obj; |
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348 | evt.window = evt.obj->window; |
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349 | evt.document = obj->ctx->document; |
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350 | evt.eventdata = &dndevt; |
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351 | evt.intval = 0; |
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352 | |
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353 | this->ondragstart(&evt, this->ondragstartdata); |
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354 | |
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355 | if (dndevt.selection.rows) { |
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356 | free(dndevt.selection.rows); |
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357 | } |
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358 | }); |
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359 | cellBorder.DropCompleted([this](IInspectable const& sender, DropCompletedEventArgs args) { |
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360 | UiDnD dnd; |
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361 | dnd.evttype = 1; |
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362 | dnd.dndstartargs = { nullptr }; |
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363 | dnd.dndcompletedargs = args; |
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364 | dnd.drageventargs = { nullptr }; |
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365 | dnd.data = { nullptr }; |
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366 | |
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367 | UiListDnd dndevt; |
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368 | dndevt.selection = uiselection(); |
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369 | dndevt.dnd = &dnd; |
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370 | |
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371 | UiEvent evt; |
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372 | evt.obj = this->obj; |
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373 | evt.window = evt.obj->window; |
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374 | evt.document = obj->ctx->document; |
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375 | evt.eventdata = &dndevt; |
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376 | evt.intval = 0; |
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377 | |
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378 | if (this->ondragcomplete) { |
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379 | this->ondragcomplete(&evt, this->ondragcompletedata); |
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380 | } |
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381 | if (dndevt.selection.rows) { |
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382 | free(dndevt.selection.rows); |
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383 | } |
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384 | }); |
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385 | } |
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386 | if (ondrop) { |
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387 | cellBorder.AllowDrop(true); |
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388 | cellBorder.Drop(DragEventHandler([this](winrt::Windows::Foundation::IInspectable const& sender, DragEventArgs const& args){ |
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389 | UiDnD dnd; |
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390 | dnd.evttype = 2; |
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391 | dnd.dndstartargs = { nullptr }; |
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392 | dnd.dndcompletedargs = { nullptr }; |
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393 | dnd.drageventargs = args; |
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394 | dnd.dataview = args.DataView(); |
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395 | |
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396 | UiListDnd dndevt; |
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397 | dndevt.selection = uiselection(); |
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398 | dndevt.dnd = &dnd; |
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399 | |
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400 | UiEvent evt; |
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401 | evt.obj = this->obj; |
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402 | evt.window = evt.obj->window; |
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403 | evt.document = obj->ctx->document; |
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404 | evt.eventdata = &dndevt; |
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405 | evt.intval = 0; |
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406 | |
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407 | this->ondrop(&evt, this->ondropdata); |
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408 | |
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409 | if (dndevt.selection.rows) { |
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410 | free(dndevt.selection.rows); |
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411 | } |
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412 | })); |
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413 | cellBorder.DragOver(DragEventHandler([this](winrt::Windows::Foundation::IInspectable const& sender, DragEventArgs const& args){ |
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414 | args.AcceptedOperation(winrt::Windows::ApplicationModel::DataTransfer::DataPackageOperation::Copy); |
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415 | })); |
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416 | } |
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417 | |
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418 | // set the cell value |
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419 | // depending on the type, we create different cell controls |
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420 | UiModelType type = model->types[col]; |
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421 | switch (type) { |
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422 | case UI_STRING_FREE: |
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423 | case UI_STRING: { |
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424 | TextBlock cell = TextBlock(); |
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425 | cell.Padding(cellpadding); |
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426 | cell.VerticalAlignment(VerticalAlignment::Stretch); |
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427 | char *val = (char*)getvalue(elm, model_col); |
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428 | textblock_set_str(cell, val); |
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429 | cellBorder.Child(cell); |
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430 | if (type == UI_STRING_FREE && val) { |
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431 | free(val); |
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432 | } |
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433 | |
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434 | break; |
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435 | } |
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436 | case UI_INTEGER: { |
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437 | TextBlock cell = TextBlock(); |
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438 | cell.Padding(cellpadding); |
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439 | cell.VerticalAlignment(VerticalAlignment::Stretch); |
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440 | int *value = (int*)getvalue(elm, model_col); |
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441 | if (value) { |
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442 | textblock_set_int(cell, *value); |
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443 | } |
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444 | cellBorder.Child(cell); |
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445 | break; |
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446 | } |
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447 | case UI_ICON: { |
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448 | UiIcon* iconConstr = (UiIcon*)getvalue(elm, model_col); |
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449 | if (iconConstr) { |
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450 | IconElement icon = iconConstr->getIcon(); |
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451 | cellBorder.Child(icon); |
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452 | } |
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453 | break; |
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454 | } |
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455 | case UI_ICON_TEXT_FREE: |
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456 | case UI_ICON_TEXT: { |
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457 | StackPanel cellPanel = StackPanel(); |
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458 | cellPanel.Spacing(2); |
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459 | cellPanel.Padding(cellpadding); |
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460 | cellPanel.VerticalAlignment(VerticalAlignment::Stretch); |
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461 | |
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462 | cellPanel.Orientation(Orientation::Horizontal); |
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463 | UiIcon* iconConstr = (UiIcon*)getvalue(elm, model_col++); |
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464 | char* str = (char*)getvalue(elm, model_col); |
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465 | if (iconConstr) { |
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466 | IconElement icon = iconConstr->getIcon(); |
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467 | cellPanel.Children().Append(icon); |
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468 | } |
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469 | TextBlock cell = TextBlock(); |
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470 | textblock_set_str(cell, str); |
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471 | cellPanel.Children().Append(cell); |
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472 | cellBorder.Child(cellPanel); |
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473 | if (type == UI_ICON_TEXT_FREE && str) { |
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474 | free(str); |
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475 | } |
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476 | break; |
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477 | } |
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478 | } |
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479 | |
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480 | // event handler |
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481 | cellBorder.PointerPressed( |
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482 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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483 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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484 | winrt::Windows::System::VirtualKeyModifiers modifiers = args.KeyModifiers(); |
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485 | bool update_selection = true; |
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486 | |
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487 | if (modifiers == winrt::Windows::System::VirtualKeyModifiers::Control) { |
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488 | // add/remove current row |
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489 | if (!is_row_selected(row)) { |
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490 | row_background(row, selectedBrush, selectedBorderBrush); |
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491 | selection.push_back(row); |
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492 | } |
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493 | else { |
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494 | row_background(row, highlightBrush, highlightBrush); |
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495 | remove_from_selection(row); |
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496 | } |
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497 | } |
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498 | else if (modifiers == winrt::Windows::System::VirtualKeyModifiers::None || selection.size() == 0) { |
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499 | // no modifier or shift is pressed but there is no selection |
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500 | if (selection.size() > 0) { |
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501 | change_rows_bg(selection, defaultBrush, defaultBrush); |
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502 | } |
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503 | |
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504 | row_background(row, selectedBrush, selectedBorderBrush); |
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505 | selection = { row }; |
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506 | if (modifiers == winrt::Windows::System::VirtualKeyModifiers::None) { |
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507 | SYSTEMTIME st; |
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508 | GetSystemTime(&st); |
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509 | |
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510 | ULONG64 now = getsystime(); |
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511 | ULONG64 tdiff = now - lastPointerPress; |
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512 | if (tdiff < ui_double_click_time && onactivate != nullptr) { |
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513 | // two pointer presse events in short time and we have an onactivate handler |
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514 | update_selection = false; // we don't want an additional selection event |
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515 | lastPointerPress = 0; // reset double-click |
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516 | |
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517 | int selectedrow = row - 1; // subtract header row |
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518 | |
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519 | UiListSelection selection; |
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520 | selection.count = 1; |
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521 | selection.rows = &selectedrow; |
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522 | |
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523 | UiEvent evt; |
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524 | evt.obj = obj; |
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525 | evt.window = obj->window; |
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526 | evt.document = obj->ctx->document; |
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527 | evt.eventdata = &selection; |
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528 | evt.intval = selectedrow; |
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529 | onactivate(&evt, onactivatedata); |
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530 | } |
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531 | else { |
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532 | lastPointerPress = now; |
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533 | } |
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534 | } |
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535 | } |
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536 | else if (modifiers == winrt::Windows::System::VirtualKeyModifiers::Shift) { |
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537 | // select everything between the first selection and the current row |
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538 | std::sort(selection.begin(), selection.end()); |
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539 | int first = selection.front(); |
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540 | int last = row; |
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541 | if (first > row) { |
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542 | last = first; |
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543 | first = row; |
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544 | } |
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545 | |
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546 | // clear previous selection |
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547 | change_rows_bg(selection, defaultBrush, defaultBrush); |
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548 | |
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549 | // create new selection |
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550 | std::vector<int> newselection; |
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551 | for (int s = first; s <= last; s++) { |
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552 | newselection.push_back(s); |
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553 | } |
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554 | selection = newselection; |
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555 | change_rows_bg(selection, selectedBrush, selectedBorderBrush); |
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556 | } |
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557 | |
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558 | if (update_selection) { |
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559 | call_handler(onselection, onselectiondata); |
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560 | } |
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561 | }) |
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562 | ); |
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563 | cellBorder.PointerReleased( |
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564 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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565 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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566 | |
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567 | }) |
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568 | ); |
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569 | cellBorder.PointerEntered( |
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570 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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571 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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572 | if (!is_row_selected(row)) { |
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573 | row_background(row, highlightBrush, highlightBrush); |
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574 | } |
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575 | }) |
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576 | ); |
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577 | cellBorder.PointerExited( |
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578 | winrt::Microsoft::UI::Xaml::Input::PointerEventHandler( |
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579 | [=](IInspectable const& sender, winrt::Microsoft::UI::Xaml::Input::PointerRoutedEventArgs const& args) { |
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580 | if (!is_row_selected(row)) { |
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581 | row_background(row, defaultBrush, defaultBrush); |
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582 | } |
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583 | }) |
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584 | ); |
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585 | |
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586 | grid.SetColumn(cellBorder, col); |
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587 | grid.SetRow(cellBorder, row); |
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588 | grid.Children().Append(cellBorder); |
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589 | } |
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590 | |
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591 | row++; |
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592 | elm = list->next(list); |
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593 | } |
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594 | } |
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595 | |
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596 | void UiTable::clear() { |
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597 | for (int i = grid.Children().Size()-1; i >= 0; i--) { |
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598 | FrameworkElement elm = grid.Children().GetAt(i).as<FrameworkElement>(); |
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599 | int child_row = grid.GetRow(elm); |
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600 | if (child_row > 0) { |
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601 | grid.Children().RemoveAt(i); |
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602 | } |
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603 | } |
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604 | |
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605 | // TODO: should we clean row definitions? |
203
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606 | } |
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607 | |
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608 | void UiTable::row_background(int row, winrt::Microsoft::UI::Xaml::Media::Brush brush, winrt::Microsoft::UI::Xaml::Media::Brush borderBrush) { |
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609 | Thickness b1 = { 1, 1, 0, 1 }; // first col |
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610 | Thickness b2 = { 0, 1, 0, 1 }; // middle |
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611 | Thickness b3 = { 0, 1, 1, 1 }; // last col |
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612 | |
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613 | for (auto child : grid.Children()) { |
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614 | FrameworkElement elm = child.as<FrameworkElement>(); |
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615 | int child_row = grid.GetRow(elm); |
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616 | if (child_row == row) { |
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617 | Border b = elm.as<Border>(); |
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618 | b.Background(brush); |
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619 | b.BorderBrush(borderBrush); |
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620 | } |
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621 | } |
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622 | } |
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623 | |
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624 | void UiTable::change_rows_bg(std::vector<int> rows, winrt::Microsoft::UI::Xaml::Media::Brush brush, winrt::Microsoft::UI::Xaml::Media::Brush borderBrush) { |
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625 | std::for_each(rows.cbegin(), rows.cend(), [&](const int& row) {row_background(row, brush, borderBrush); }); |
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626 | } |
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627 | |
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628 | bool UiTable::is_row_selected(int row) { |
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629 | return std::find(selection.begin(), selection.end(), row) != selection.end() ? true : false; |
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630 | } |
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631 | |
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632 | void UiTable::remove_from_selection(int row) { |
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633 | selection.erase(std::remove(selection.begin(), selection.end(), row), selection.end()); |
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634 | selection.shrink_to_fit(); |
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635 | } |
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636 | |
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637 | UiListSelection UiTable::uiselection() { |
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638 | std::sort(selection.begin(), selection.end()); |
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639 | |
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640 | UiListSelection selobj; |
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641 | selobj.count = selection.size(); |
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642 | selobj.rows = nullptr; |
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643 | if (selobj.count > 0) { |
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644 | selobj.rows = (int*)calloc(selobj.count, sizeof(int)); |
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645 | memcpy(selobj.rows, selection.data(), selobj.count * sizeof(int)); |
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646 | for (int i = 0; i < selobj.count; i++) { |
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647 | selobj.rows[i]--; |
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648 | } |
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649 | } |
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650 | return selobj; |
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651 | } |
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652 | |
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653 | void UiTable::call_handler(ui_callback cb, void* cbdata) { |
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654 | if (!cb) { |
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655 | return; |
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656 | } |
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657 | |
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658 | UiListSelection selobj = uiselection(); |
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659 | |
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660 | UiEvent evt; |
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661 | evt.obj = obj; |
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662 | evt.window = obj->window; |
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663 | evt.document = obj->ctx->document; |
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664 | evt.eventdata = &selobj; |
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665 | evt.intval = 0; |
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666 | cb(&evt, cbdata); |
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667 | |
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668 | if (selobj.rows) { |
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669 | free(selobj.rows); |
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670 | } |
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671 | } |