1 | // |
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2 | // paneldlg.cc |
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3 | // |
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4 | // Dialog boxes with multiple pages and a selector panel. |
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5 | // |
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6 | // Copyright (C) 2002 Mark R. Shinwell |
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7 | // |
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8 | // This program is free software; you can redistribute it and/or modify |
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9 | // it under the terms of the GNU General Public License as published by |
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10 | // the Free Software Foundation; either version 2 of the License, or |
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11 | // (at your option) any later version. |
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12 | // |
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13 | // This program is distributed in the hope that it will be useful, |
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14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | // GNU General Public License for more details. |
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17 | // |
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18 | // You should have received a copy of the GNU General Public License |
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19 | // along with this program; if not, write to the Free Software |
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20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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21 | // |
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22 | |
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23 | #ifdef HAVE_CONFIG_H |
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24 | #include <config.h> |
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25 | #endif |
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26 | |
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27 | #include "paneldlg.h" |
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28 | |
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29 | #include <assert.h> |
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30 | |
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31 | static const wxWindowID ID_PAGE_BASE = 100; |
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32 | static const wxWindowID ID_PAGE_BASE_IMG = 150; |
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33 | static const wxWindowID ID_PAGE_BASE_PANEL = 200; |
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34 | static const wxWindowID ID_PAGE_BASE_IMG_END = ID_PAGE_BASE_PANEL - 1; |
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35 | |
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36 | static const int PAGE_ICON_HEAD_FOOT = 12; |
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37 | static const int PAGE_ICON_HEIGHT = 75; |
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38 | static const int PAGE_PANEL_WIDTH = int((48 + (2*PAGE_ICON_HEAD_FOOT)) * 4.0/3.0); |
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39 | static const int EDGE_MARGIN = 4; |
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40 | static const int EDGE_MARGIN_V = 3; |
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41 | static const int SCROLLED_WIN_WIDTH = 16 + PAGE_PANEL_WIDTH; |
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42 | static const int DIALOG_WIDTH = 500; |
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43 | static const int DIALOG_HEIGHT = PAGE_ICON_HEIGHT*4 + PAGE_ICON_HEAD_FOOT; |
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44 | |
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45 | BEGIN_EVENT_TABLE(PanelDlg, wxDialog) |
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46 | EVT_COMMAND_RANGE(ID_PAGE_BASE_IMG, ID_PAGE_BASE_IMG_END, wxEVT_COMMAND_BUTTON_CLICKED, PanelDlg::OnPageChange) |
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47 | END_EVENT_TABLE() |
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48 | |
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49 | PanelDlg::PanelDlg(wxWindow* parent, wxWindowID id, const wxString& title) : wxDialog(parent, id, title) |
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50 | { |
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51 | } |
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52 | |
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53 | PanelDlg::~PanelDlg() |
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54 | { |
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55 | } |
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56 | |
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57 | void PanelDlg::PositionPage() |
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58 | { |
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59 | // Position the current page on the dialog. |
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60 | |
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61 | wxSize button_size = wxButton::GetDefaultSize(); |
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62 | |
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63 | m_CurrentPage->SetSizeHints(-1, -1, |
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64 | DIALOG_WIDTH - EDGE_MARGIN*5 - SCROLLED_WIN_WIDTH, |
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65 | DIALOG_HEIGHT - EDGE_MARGIN_V*8 - button_size.GetHeight()); |
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66 | m_CurrentPage->SetSize(SCROLLED_WIN_WIDTH + EDGE_MARGIN*3, EDGE_MARGIN_V*2, |
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67 | DIALOG_WIDTH - EDGE_MARGIN*5 - SCROLLED_WIN_WIDTH, |
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68 | DIALOG_HEIGHT - EDGE_MARGIN_V*8 - button_size.GetHeight()); |
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69 | } |
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70 | |
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71 | void PanelDlg::OnPageChange(wxCommandEvent& event) |
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72 | { |
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73 | // The user has requested a change of page. |
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74 | |
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75 | // Identify the new page. |
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76 | int page = event.GetId() - ID_PAGE_BASE_IMG; |
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77 | assert(page >= 0 && page < m_Pages.size()); |
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78 | list<PanelDlgPage*>::iterator iter = m_Pages.begin(); |
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79 | for (int x = 0; x < page; x++) iter++; |
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80 | PanelDlgPage* page_ptr = *iter; |
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81 | assert(page_ptr); |
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82 | |
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83 | if (page_ptr == m_CurrentPage) return; |
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84 | |
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85 | // Remove the current page from display. |
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86 | m_CurrentPage->Hide(); |
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87 | |
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88 | // Display the new page. |
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89 | m_CurrentPage = page_ptr; |
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90 | m_CurrentPage->Show(); |
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91 | PositionPage(); |
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92 | } |
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93 | |
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94 | void PanelDlg::SetPages(list<PanelDlgPage*> pages) |
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95 | { |
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96 | assert(pages.size() >= 1); |
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97 | |
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98 | m_Pages = pages; |
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99 | |
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100 | // Create the left-hand page button panel. |
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101 | wxScrolledWindow* scrolled_win = new wxScrolledWindow(this, 3000, wxDefaultPosition, wxDefaultSize, |
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102 | wxVSCROLL | wxSUNKEN_BORDER); |
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103 | wxPanel* page_panel = new wxPanel(scrolled_win, 2000); |
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104 | |
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105 | // Get the background colour and calculate a "darker" version of it. |
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106 | wxColour col = page_panel->GetBackgroundColour(); |
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107 | |
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108 | unsigned char r = (unsigned char)(double(col.Red()) * 0.5); |
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109 | unsigned char g = (unsigned char)(double(col.Green()) * 0.5); |
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110 | unsigned char b = (unsigned char)(double(col.Blue()) * 0.5); |
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111 | |
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112 | col.Set(r, g, b); |
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113 | |
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114 | // Fill the page button panel. |
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115 | wxBoxSizer* page_panel_sizer = new wxBoxSizer(wxVERTICAL); |
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116 | list<PanelDlgPage*>::iterator iter = pages.begin(); |
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117 | int page_num = 0; |
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118 | while (iter != pages.end()) { |
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119 | PanelDlgPage* page = *iter++; |
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120 | |
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121 | // Get the text and icon for this button. |
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122 | const wxString& text = page->GetName(); |
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123 | const wxBitmap& icon = page->GetIcon(); |
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124 | |
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125 | // Create the button and label together inside a panel. |
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126 | wxPanel* panel = new wxPanel(page_panel, ID_PAGE_BASE_PANEL + page_num); |
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127 | wxBoxSizer* panel_sizer = new wxBoxSizer(wxVERTICAL); |
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128 | wxBitmapButton* img_button = new wxBitmapButton(panel, ID_PAGE_BASE_IMG + page_num, icon, |
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129 | wxPoint(0, 0), wxSize(48, 48)); |
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130 | wxStaticText* label = new wxStaticText(panel, ID_PAGE_BASE + page_num, text); |
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131 | page_panel_sizer->Add(8, PAGE_ICON_HEAD_FOOT); // add a spacer |
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132 | panel_sizer->Add(img_button, 0, wxALIGN_CENTER, 4); |
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133 | panel_sizer->Add(label, 0, wxALIGN_CENTER, 4); |
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134 | panel->SetAutoLayout(true); |
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135 | panel->SetSizer(panel_sizer); |
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136 | panel->SetSize(PAGE_PANEL_WIDTH - 8, PAGE_ICON_HEIGHT - PAGE_ICON_HEAD_FOOT); |
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137 | |
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138 | page_panel_sizer->Add(panel, 0 /* not vertically stretchable */, wxALIGN_CENTER); |
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139 | panel->SetBackgroundColour(col); |
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140 | |
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141 | page_num++; |
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142 | } |
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143 | page_panel_sizer->Add(8, PAGE_ICON_HEAD_FOOT); // add a spacer |
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144 | page_panel->SetAutoLayout(true); |
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145 | page_panel->SetSizer(page_panel_sizer); |
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146 | int height = PAGE_ICON_HEAD_FOOT + (page_num * PAGE_ICON_HEIGHT); |
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147 | page_panel->SetSizeHints(PAGE_PANEL_WIDTH, height); |
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148 | page_panel->SetSize(PAGE_PANEL_WIDTH, height); |
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149 | scrolled_win->SetScrollbars(0, height / page_num, 0, page_num); |
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150 | scrolled_win->SetSize(EDGE_MARGIN, EDGE_MARGIN, SCROLLED_WIN_WIDTH, DIALOG_HEIGHT - EDGE_MARGIN_V*2); |
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151 | |
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152 | // Darken the background colour for the page selector panel. |
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153 | page_panel->SetBackgroundColour(col); |
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154 | |
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155 | // Create the OK/Cancel button panel. |
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156 | wxSize button_size = wxButton::GetDefaultSize(); |
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157 | wxButton* close_button = new wxButton(this, wxID_CANCEL, "Close", |
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158 | wxPoint(DIALOG_WIDTH - button_size.GetWidth() - EDGE_MARGIN*4, |
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159 | DIALOG_HEIGHT - button_size.GetHeight() - EDGE_MARGIN_V*4)); |
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160 | close_button->SetDefault(); |
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161 | |
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162 | // Retrieve the panel for the first page and put it in the correct place. |
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163 | PanelDlgPage* first_page = *(pages.begin()); |
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164 | assert(first_page); |
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165 | m_CurrentPage = first_page; |
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166 | PositionPage(); |
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167 | m_CurrentPage->Show(); |
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168 | |
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169 | // Set a reasonable size and centre the dialog with respect to the parent window. |
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170 | SetSize(DIALOG_WIDTH, DIALOG_HEIGHT); |
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171 | CentreOnParent(); |
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172 | } |
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173 | |
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