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Diffstat (limited to 'nGenEx/Screen.cpp')
| -rw-r--r-- | nGenEx/Screen.cpp | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/nGenEx/Screen.cpp b/nGenEx/Screen.cpp new file mode 100644 index 0000000..f50f8ec --- /dev/null +++ b/nGenEx/Screen.cpp @@ -0,0 +1,161 @@ +/* Project nGenEx
+ Destroyer Studios LLC
+ Copyright © 1997-2004. All Rights Reserved.
+
+ SUBSYSTEM: nGenEx.lib
+ FILE: Screen.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ General Screen class - maintains and displays a list of windows
+*/
+
+#include "MemDebug.h"
+#include "Screen.h"
+#include "Bitmap.h"
+#include "Color.h"
+#include "Window.h"
+#include "Mouse.h"
+#include "Pcx.h"
+#include "Video.h"
+
+// +--------------------------------------------------------------------+
+
+Screen::Screen(Video* v)
+ : width(0), height(0), video(v), clear(0), closed(0)
+{
+ if (video) {
+ width = video->Width();
+ height = video->Height();
+ }
+
+ Mouse::Create(this);
+}
+
+Screen::~Screen()
+{
+ Mouse::Close();
+
+ closed = 1;
+ window_list.destroy();
+}
+
+// +--------------------------------------------------------------------+
+
+bool
+Screen::AddWindow(Window* c)
+{
+ if (!c || closed) return false;
+
+ if (c->X() < 0) return false;
+ if (c->Y() < 0) return false;
+ if (c->X() + c->Width() > Width()) return false;
+ if (c->Y() + c->Height() > Height()) return false;
+
+ if (!window_list.contains(c))
+ window_list.append(c);
+
+ return true;
+}
+
+bool
+Screen::DelWindow(Window* c)
+{
+ if (!c || closed) return false;
+
+ return window_list.remove(c) == c;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Screen::ClearAllFrames(bool clear_all)
+{
+ if (clear_all)
+ clear = -1;
+ else
+ clear = 0;
+}
+
+void
+Screen::ClearNextFrames(int num_frames)
+{
+ if (clear >= 0 && clear < num_frames)
+ clear = num_frames;
+}
+
+// +--------------------------------------------------------------------+
+
+bool
+Screen::SetBackgroundColor(Color c)
+{
+ if (video)
+ return video->SetBackgroundColor(c);
+ else
+ return false;
+}
+
+// +--------------------------------------------------------------------+
+
+bool
+Screen::Resize(int w, int h)
+{
+ // scale all root-level windows to new screen size:
+
+ ListIter<Window> iter = window_list;
+ while (++iter) {
+ Window* win = iter.value();
+
+ double w_x = win->GetRect().x / (double) width;
+ double w_y = win->GetRect().y / (double) height;
+ double w_w = win->GetRect().w / (double) width;
+ double w_h = win->GetRect().h / (double) height;
+
+ Rect r;
+
+ r.x = (int) (w_x * w);
+ r.y = (int) (w_y * h);
+ r.w = (int) (w_w * w);
+ r.h = (int) (w_h * h);
+
+ win->MoveTo(r);
+ }
+
+ width = w;
+ height = h;
+
+ return true;
+}
+
+// +--------------------------------------------------------------------+
+
+bool
+Screen::Refresh()
+{
+ if (clear && !video->ClearAll())
+ return false;
+
+ video->StartFrame();
+
+ ListIter<Window> iter = window_list;
+ while (++iter) {
+ Window* win = iter.value();
+
+ if (win->IsShown()) {
+ win->Paint();
+ }
+ }
+
+ Mouse::Paint();
+
+ video->EndFrame();
+
+ if (clear > 0) clear--;
+ return true;
+}
+
+
+
+
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