basic draw.c structure - dwm - dynamic window manager
HTML git clone https://git.parazyd.org/dwm
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DIR README
DIR LICENSE
---
DIR commit d456617f0eb93df0ec8eb81ff6e04ca988c09c60
DIR parent 61fe833a062b0e027ec48ed7c7adeb2ed63089d3
HTML Author: anselm@garbe.us <unknown>
Date: Sun, 18 Nov 2012 12:04:29 +0100
basic draw.c structure
Diffstat:
M Makefile | 2 +-
A draw.c | 139 ++++++++++++++++++++++++++++++
M draw.h | 14 +++++++++-----
3 files changed, 149 insertions(+), 6 deletions(-)
---
DIR diff --git a/Makefile b/Makefile
@@ -3,7 +3,7 @@
include config.mk
-SRC = dwm.c
+SRC = draw.c dwm.c
OBJ = ${SRC:.c=.o}
all: options dwm
DIR diff --git a/draw.c b/draw.c
@@ -0,0 +1,139 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdlib.h>
+#include <X11/Xlib.h>
+
+#include "draw.h"
+
+Draw *
+draw_create(Display *dpy, Window win, unsigned int w, unsigned int h) {
+ Draw *draw = (Draw *)calloc(1, sizeof(Draw));
+ draw->w = w;
+ draw->h = h;
+ /* TODO: drawable creation */
+ /* TODO: gc allocation */
+ return draw;
+}
+
+void
+draw_resize(Draw *draw, unsigned int w, unsigned int h) {
+ if(!draw)
+ return;
+ draw->w = w;
+ draw->h = h;
+ /* TODO: resize drawable */
+}
+
+void
+draw_free(Draw *draw) {
+ /* TODO: deallocate DDCs */
+ /* TODO: deallocate drawable */
+ free(draw);
+}
+
+DDC *
+dc_create(Draw *draw) {
+ DDC *dc = (DDC *)calloc(1, sizeof(DDC));
+ dc->draw = draw;
+ dc->next = draw->dc;
+ draw->dc = dc;
+ return dc;
+}
+
+void
+dc_free(DDC *dc) {
+ DDC **tdc;
+
+ if(!dc)
+ return;
+ /* remove from dc list */
+ for(tdc = &dc->draw->dc; *tdc && *tdc != dc; tdc = &(*tdc)->next);
+ *tdc = dc->next;
+ /* TODO: deallocate any resources of this dc, if needed */
+ free(dc);
+}
+
+Fnt *
+font_create(const char *fontname) {
+ Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
+ /* TODO: allocate actual font */
+ return font;
+}
+
+void
+font_free(Fnt *font) {
+ if(!font)
+ return;
+ /* TODO: deallocate any font resources */
+ free(font);
+}
+
+Col *
+col_create(const char *colname) {
+ Col *col = (Col *)calloc(1, sizeof(Col));
+ /* TODO: allocate color */
+ return col;
+}
+
+void
+col_free(Col *col) {
+ if(!col)
+ return;
+ /* TODO: deallocate any color resource */
+ free(col);
+}
+
+void
+dc_setfont(DDC *dc, Fnt *font) {
+ if(!dc || !font)
+ return;
+ dc->font = font;
+}
+
+void
+dc_setfg(DDC *dc, Col *col) {
+ if(!dc || !col)
+ return;
+ dc->fg = col;
+}
+
+void
+dc_setbg(DDC *dc, Col *col) {
+ if(!dc || !col)
+ return;
+ dc->bg = col;
+}
+
+void
+dc_setfill(DDC *dc, Bool fill) {
+ if(!dc)
+ return;
+ dc->fill = fill;
+}
+
+void
+dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
+ if(!dc)
+ return;
+ /* TODO: draw the rectangle */
+}
+
+void
+dc_drawtext(DDC *dc, int x, int y, const char *text) {
+ if(!dc)
+ return;
+ /* TODO: draw the text */
+}
+
+void
+dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
+ if(!dc)
+ return;
+ /* TODO: map the dc contents in the region */
+}
+
+void
+dc_getextents(DDC *dc, const char *text, TextExtents *extents) {
+ if(!dc || !extents)
+ return;
+ /* TODO: get extents */
+}
DIR diff --git a/draw.h b/draw.h
@@ -1,13 +1,16 @@
/* See LICENSE file for copyright and license details. */
+typedef struct _DDC DDC;
+
/* X11 types - begin */
+typedef struct _XDraw Draw;
struct _XDraw {
unsigned int w, h;
Display *dpy;
Drawable drawable;
GC gc;
+ DDC *dc;
};
-typedef struct _XDraw Draw;
struct _XCol {
unsigned long rgb;
@@ -24,13 +27,14 @@ struct _XFont {
typedef struct _XFont Fnt;
/* X11 types - end */
-typedef struct {
+struct _DDC {
Draw *draw;
Col *fg;
Col *bg;
Fnt *font;
Bool fill;
-} DDC;
+ DDC *next;
+};
typedef struct {
unsigned int w;
@@ -60,8 +64,8 @@ void col_free(Col *col);
/* Drawing context manipulation */
void dc_setfont(DDC *dc, Fnt *font);
-void dc_setfg(DDC *dc, Col col);
-void dc_setbg(DDC *dc, Col col);
+void dc_setfg(DDC *dc, Col *col);
+void dc_setbg(DDC *dc, Col *col);
void dc_setfill(DDC *dc, Bool fill);
/* Drawing functions */