Implemented 'skins' and 'themes'

skins.c

@@ -0,0 +1,201 @@
+/*
+ * skins.c: The optical appearance of the OSD
+ *
+ * See the main source file 'vdr.c' for copyright information and
+ * how to reach the author.
+ *
+ * $Id: skins.c 1.1 2004/05/15 12:34:38 kls Exp $
+ */
+
+#include "skins.h"
+#include "interface.h"
+#include "status.h"
+#include "tools.h"
+
+// --- cSkinDisplay ----------------------------------------------------------
+
+cSkinDisplay *cSkinDisplay::current = NULL;
+
+cSkinDisplay::cSkinDisplay(void)
+{
+  current = this;
+  editableWidth = 100; //XXX
+}
+
+cSkinDisplay::~cSkinDisplay()
+{
+  current = NULL;
+}
+
+// --- cSkinDisplayMenu ------------------------------------------------------
+
+cSkinDisplayMenu::cSkinDisplayMenu(void)
+{
+  SetTabs(0);
+}
+
+void cSkinDisplayMenu::SetTabs(int Tab1, int Tab2, int Tab3, int Tab4, int Tab5)
+{
+  tabs[0] = 0;
+  tabs[1] = Tab1 ? tabs[0] + Tab1 : 0;
+  tabs[2] = Tab2 ? tabs[1] + Tab2 : 0;
+  tabs[3] = Tab3 ? tabs[2] + Tab3 : 0;
+  tabs[4] = Tab4 ? tabs[3] + Tab4 : 0;
+  tabs[5] = Tab5 ? tabs[4] + Tab5 : 0;
+  for (int i = 1; i < MaxTabs; i++)
+      tabs[i] *= 12;//XXX average character width of font used for items!!!
+}
+
+void cSkinDisplayMenu::Scroll(bool Up, bool Page)
+{
+  textScroller.Scroll(Up, Page);
+}
+
+const char *cSkinDisplayMenu::GetTabbedText(const char *s, int Tab)
+{
+  if (!s)
+     return NULL;
+  static char buffer[1000];
+  const char *a = s;
+  const char *b = strchrnul(a, '\t');
+  while (*b && Tab-- > 0) {
+        a = b + 1;
+        b = strchrnul(a, '\t');
+        }
+  if (!*b)
+     return (Tab <= 0) ? a : NULL;
+  unsigned int n = b - a;
+  if (n >= sizeof(buffer))
+     n = sizeof(buffer) - 1;
+  strncpy(buffer, a, n);
+  buffer[n] = 0;
+  return buffer;
+}
+
+// --- cSkinDisplayReplay::cProgressBar --------------------------------------
+
+cSkinDisplayReplay::cProgressBar::cProgressBar(int Width, int Height, int Current, int Total, const cMarks *Marks, tColor ColorSeen, tColor ColorRest, tColor ColorSelected, tColor ColorMark, tColor ColorCurrent)
+:cBitmap(Width, Height, 2)
+{
+  total = Total;
+  if (total > 0) {
+     int p = Pos(Current);
+     DrawRectangle(0, 0, p, Height - 1, ColorSeen);
+     DrawRectangle(p + 1, 0, Width - 1, Height - 1, ColorRest);
+     if (Marks) {
+        bool Start = true;
+        for (const cMark *m = Marks->First(); m; m = Marks->Next(m)) {
+            int p1 = Pos(m->position);
+            if (Start) {
+               const cMark *m2 = Marks->Next(m);
+               int p2 = Pos(m2 ? m2->position : total);
+               int h = Height / 3;
+               DrawRectangle(p1, h, p2, Height - h, ColorSelected);
+               }
+            Mark(p1, Start, m->position == Current, ColorMark, ColorCurrent);
+            Start = !Start;
+            }
+        }
+     }
+}
+
+void cSkinDisplayReplay::cProgressBar::Mark(int x, bool Start, bool Current, tColor ColorMark, tColor ColorCurrent)
+{
+  DrawRectangle(x, 0, x, Height() - 1, ColorMark);
+  const int d = Height() / (Current ? 3 : 9);
+  for (int i = 0; i < d; i++) {
+      int h = Start ? i : Height() - 1 - i;
+      DrawRectangle(x - d + i, h, x + d - i, h, Current ? ColorCurrent : ColorMark);
+      }
+}
+
+// --- cSkinDisplayReplay ----------------------------------------------------
+
+cSkinDisplayReplay::cSkinDisplayReplay(void)
+{
+  marks = NULL;
+}
+
+void cSkinDisplayReplay::SetMarks(const cMarks *Marks)
+{
+  marks = Marks;
+}
+
+// --- cSkin -----------------------------------------------------------------
+
+cSkin::cSkin(const char *Name, cTheme *Theme)
+{
+  name = strdup(Name);
+  theme = Theme;
+  if (theme)
+     cThemes::Save(name, theme);
+  Skins.Add(this);
+}
+
+cSkin::~cSkin()
+{
+  free(name);
+}
+
+// --- cSkins ----------------------------------------------------------------
+
+cSkins Skins;
+
+cSkins::cSkins(void)
+{
+  displayMessage = NULL;
+}
+
+cSkins::~cSkins()
+{
+  delete displayMessage;
+}
+
+bool cSkins::SetCurrent(const char *Name)
+{
+  if (Name) {
+     for (cSkin *Skin = First(); Skin; Skin = Next(Skin)) {
+         if (strcmp(Skin->Name(), Name) == 0) {
+            current = Skin;
+            return true;
+            }
+         }
+     }
+  current = First();
+  return current != NULL;
+}
+
+eKeys cSkins::Message(eMessageType Type, const char *s, int Seconds)
+{
+  switch (Type) {
+    case mtInfo:  isyslog("info: %s", s); break;
+    case mtError: esyslog("ERROR: %s", s); break;
+    default: ;
+    }
+  if (!cSkinDisplay::Current() && !displayMessage)
+     displayMessage = Current()->DisplayMessage();
+  cSkinDisplay::Current()->SetMessage(Type, s);
+  cSkinDisplay::Current()->Flush();
+  cStatus::MsgOsdStatusMessage(s);
+  eKeys k = kNone;
+  if (Type != mtStatus) {
+     k = Interface->Wait(Seconds);
+     if (displayMessage) {
+        delete displayMessage;
+        displayMessage = NULL;
+        }
+     else
+        cSkinDisplay::Current()->SetMessage(Type, NULL);
+     }
+  else if (!s && displayMessage) {
+     delete displayMessage;
+     displayMessage = NULL;
+     }
+  return k;
+}
+
+void cSkins::Flush(void)
+{
+  if (cSkinDisplay::Current())
+     cSkinDisplay::Current()->Flush();
+}