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1 files changed, 87 insertions, 0 deletions

diff --git a/guifs.h b/guifs.h
new file mode 100644
index 0000000..6b5ef53
--- /dev/null
+++ b/guifs.h
@@ -0,0 +1,87 @@
+enum {
+	Pbackground,
+	Pmax,
+};
+
+enum {
+	Gnone,
+	Gcontainer,
+	Gmax,
+};
+typedef struct Colour Colour;
+typedef union PropVal PropVal;
+typedef struct PropSpec PropSpec;
+typedef struct Prop Prop;
+typedef struct GuiSpec GuiSpec;
+typedef struct GuiElement GuiElement;
+
+struct Colour {
+	Image *image;
+	ulong code;
+};
+
+union PropVal {
+	Colour *colour;
+};
+
+struct PropSpec {
+	char *name;
+	PropVal (*def)(void);
+	char *(*print)(PropVal);
+	char *(*parse)(char *, PropVal *);
+};
+
+struct Prop {
+	int tag;
+	PropVal val;
+	Qid qid;
+};
+
+struct GuiSpec {
+	char *name;
+	void (*draw)(GuiElement *);
+	void (*layout)(GuiElement *, Rectangle);
+	int nprops;
+	int proptags[];
+};
+
+struct GuiElement {
+	int type;
+	int id;
+
+	Qid qid;
+	Qid qclone;
+	Qid qevent;
+	Qid qtype;
+	Qid qprops;
+
+	int nchildren;
+	GuiElement **children;
+
+	GuiElement *parent;
+
+	int nprops;
+	Prop *props;
+
+	Rectangle rect;
+	
+};
+
+extern GuiElement *root;
+extern PropSpec propspecs[Pmax];
+extern GuiSpec guispecs[Gmax];
+
+void *emalloc(ulong);
+
+Colour *mkcolour(ulong);
+void initgraphics(void);
+void layout(GuiElement *, Rectangle);
+void updategui(int);
+void drawnone(GuiElement *);
+void drawcontainer(GuiElement *);
+
+void layoutnone(GuiElement *, Rectangle);
+void layoutcontainer(GuiElement *, Rectangle);
+
+PropVal getprop(GuiElement *, int);
+void setprop(GuiElement *, int, PropVal);
\ No newline at end of file