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https://github.com/ultimatepp/ultimatepp.git
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92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
#include "Local.h"
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NAMESPACE_UPP
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struct DrawDragRectInfo {
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Rect rect1, rect2, clip;
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int n;
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int type;
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int animation;
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};
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void DrawDragLine(SystemDraw& w, bool horz, int x, int y, int len, int n, const int *pattern, int animation)
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{
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if(len <= 0)
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return;
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if(horz)
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w.Clip(x, y, len, n);
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else
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w.Clip(x, y, n, len);
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(horz ? x : y) -= animation;
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len += animation;
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bool ch = false;
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while(len > 0) {
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int segment = pattern[ch];
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int d = segment + pattern[2];
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if(horz) {
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w.DrawRect(x, y, segment, n, InvertColor());
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x += d;
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}
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else {
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w.DrawRect(x, y, n, segment, InvertColor());
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y += d;
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}
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len -= d;
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ch = !ch;
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}
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w.End();
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}
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void DrawDragFrame(SystemDraw& w, const Rect& r, int n, const int *pattern, int animation)
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{
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DrawDragLine(w, true, r.left, r.top, r.GetWidth(), n, pattern, animation);
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DrawDragLine(w, false, r.left, r.top + n, r.GetHeight() - 2 * n, n, pattern, animation);
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DrawDragLine(w, false, r.right - n, r.top + n, r.GetHeight() - 2 * n, n, pattern, animation);
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DrawDragLine(w, true, r.left, r.bottom - n, r.GetWidth(), n, pattern, animation);
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}
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void DrawDragRect(Ctrl& q, const DrawDragRectInfo& f)
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{
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SystemDraw w;
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Ctrl::PaintScene(w);
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w.Clip(f.clip);
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static int dashes[3][3] = {
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{ 32, 32, 0 },
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{ 1, 1, 1 },
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{ 5, 1, 2 },
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};
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const int *dash = dashes[minmax(f.type, 0, 2)];
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DrawDragFrame(w, f.rect1, f.n, dash, f.animation);
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DrawDragFrame(w, f.rect2, f.n, dash, f.animation);
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w.End();
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Ctrl::PaintCaretCursor(w);
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SDL_GL_SwapWindow(screen.win);
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}
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void DrawDragRect(Ctrl& q, const Rect& rect1, const Rect& rect2, const Rect& clip, int n,
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Color color, int type, int animation)
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{
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Ctrl *top = q.GetTopCtrl();
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if(top) {
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Point off = q.GetScreenView().TopLeft();
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DrawDragRectInfo f;
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f.rect1 = rect1.Offseted(off);
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f.rect2 = rect2.Offseted(off);
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f.clip = (clip & q.GetSize()).Offseted(off);
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f.n = n;
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f.type = type;
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f.animation = animation;
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DrawDragRect(*top, f);
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}
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}
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void FinishDragRect(Ctrl& q)
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{
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SystemDraw w;
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Ctrl::PaintScene(w);
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Ctrl::PaintCaretCursor(w);
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SDL_GL_SwapWindow(screen.win);
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}
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END_UPP_NAMESPACE
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