elist.cc

   1 // elist.cc
   2 //
   3
   4 #include "elist.h"
   5 #include <stdio.h>
   6
   7 //----------------------------------------------------------------------
   8
   9 /// Constructs a list displaying \p rctdl
  10 CTodoList::CTodoList (void)
  11 : CListbox (),
  12   m_pTodos (NULL),
  13   m_CopiedId (0)
  14 {
  15 }
  16
  17 /// Sets the list to display.
  18 void CTodoList::SetList (pctodolist_t pl)
  19 {
  20     m_pTodos = pl;
  21     if (m_pTodos)
  22         SetListSize (pl->size());
  23 }
  24
  25 /// Sets internal variables when the document is updated.
  26 void CTodoList::OnUpdate (void)
  27 {
  28     CListbox::OnUpdate();
  29     SetList (&Document()->List());
  30     SetSelection (Document()->Selection());
  31 }
  32
  33 /// Draws list item \p ii at \p pos onto \p gc.
  34 void CTodoList::OnDrawItem (CGC& gc, rcpos_t pos, uint32_t ii)
  35 {
  36     CListbox::OnDrawItem (gc, pos, ii);
  37     if (!m_pTodos)
  38         return;
  39     const CTodoEntry& e ((*m_pTodos)[ii]);
  40     char progBuf [5];
  41     gc.Char (pos, "+ "[!e.HasSublist()]);
  42     snprintf (progBuf, 5, "%3u%%", e.Progress());
  43     gc.Text (pos[0] + 1, pos[1], e.Progress() ? progBuf : "    ");
  44     static const EColor c_PriorityColors [2][CTodoEntry::priority_Last] = {
  45         { lightred, yellow, green, cyan, lightblue },
  46         { lightred, yellow, lightgreen, lightcyan, lightblue }
  47     };
  48     gc.FgColor (c_PriorityColors [ii == Selection()][e.Priority()]);
  49     gc.Text (pos[0] + 6, pos[1], e.Text());
  50 }
  51
  52 /// Causes the current entry to be edited.
  53 inline void CTodoList::EditEntry (void)
  54 {
  55     SetFlag (f_OffersFocus);
  56 }
  57
  58 /// Processes keystroke \p key.
  59 void CTodoList::OnKey (wchar_t key)
  60 {
  61     CListbox::OnKey (key);
  62     pdoc_t pDoc = Document();
  63     bool bReadOnly = pDoc->Flag (CDocument::f_ReadOnly);
  64
  65     if (pDoc->Selection() != Selection())
  66         pDoc->SetSelection (Selection());
  67
  68     // Item navigation keys are always available.
  69     if (key == kv_Left || key == 'h')
  70         pDoc->LeaveCurrentEntry();
  71     else if (key == 'o')
  72         pDoc->ToggleCompleteVisible();
  73     else if (key == 'S') {      // If read-only, get an error here.
  74         pDoc->Save();
  75         Commit();
  76     } else if (key == 'q') {
  77         if (pDoc->Flag (CDocument::f_Changed)) {
  78             int rv = MessageBox ("There are unsaved changes. Save now?", MB_YesNoCancel);
  79             if (rv == mbrv_Cancel)
  80                 return;
  81             else if (rv != mbrv_No)
  82                 pDoc->Save();
  83         }
  84         Close();
  85     }
  86
  87     // Modification operations that are valid without a selection
  88     if (!bReadOnly) {
  89         if (key == 'v' && m_CopiedId)
  90             pDoc->PasteLinkToEntry (m_CopiedId);
  91         else if (key == 'n') {
  92             pDoc->SetSelection (pDoc->ListSize() - 1);
  93             pDoc->AppendEntry();
  94             EditEntry();
  95         }
  96     }
  97
  98     // Everything below this requires a selection (that is, a non-empty list)
  99     if (pDoc->Selection() >= pDoc->ListSize())
 100         return;
 101
 102     // Navigation is available even if read-only
 103     if (key == kv_Right || key == 'l' || key == kv_Enter)
 104         pDoc->EnterCurrentEntry();
 105
 106     // Modification operations on the current entry.
 107     if (!bReadOnly) {
 108         if (key == kv_Space)    // Toggle complete flag
 109             pDoc->MarkEntryComplete();
 110         else if (key == kv_Delete || key == 'D')
 111             pDoc->RemoveCurrentEntry();
 112         else if (key == 'e')
 113             EditEntry();
 114         else if (key == 'c')
 115             m_CopiedId = pDoc->CurrentEntry().Id();
 116         else if (key >= '1' && key <= '5')
 117             pDoc->SetCurrentEntryPriority (CTodoEntry::EPriority (key - '1'));
 118         else if (key == kv_Insert || key == 'i') {
 119             pDoc->AppendEntry();
 120             EditEntry();
 121         }
 122     }
 123 }
 124