X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=render%2Ffont.c;h=b9a17b48786c744d62e5a7bcec372288e1660bd5;hb=069e9607fa433190307bb8242294a109e88165de;hp=96498c650064c0fd0cf751aaacc9442321775580;hpb=feb6bc632f4eebf2edb9590a17c77523507e228f;p=chaz%2Fopenbox

diff --git a/render/font.c b/render/font.c
index 96498c65..b9a17b48 100644
--- a/render/font.c
+++ b/render/font.c
@@ -1,21 +1,29 @@
-#include "../kernel/openbox.h"
 #include "font.h"
-
-#include "../kernel/gettext.h"
+#include "color.h"
+#include "mask.h"
+#include "theme.h"
+#include "kernel/geom.h"
+#include "kernel/gettext.h"
 #define _(str) gettext(str)
 
 #include <X11/Xft/Xft.h>
 #include <glib.h>
-#include "../kernel/geom.h"
+#include <string.h>
+
+#define ELIPSES "..."
+#define ELIPSES_LENGTH(font, shadow, offset) \
+    (font->elipses_length + (shadow ? offset : 0))
 
-void font_startup(void)
+static gboolean started = FALSE;
+
+static void font_startup(void)
 {
 #ifdef DEBUG
     int version;
 #endif /* DEBUG */
     if (!XftInit(0)) {
         g_warning(_("Couldn't initialize Xft.\n"));
-        exit(3);
+        exit(EXIT_FAILURE);
     }
 #ifdef DEBUG
     version = XftGetVersion();
@@ -25,99 +33,154 @@ void font_startup(void)
 #endif
 }
 
-static void measure_height(ObFont *f)
+static void measure_font(RrFont *f)
 {
     XGlyphInfo info;
-    char *str;
-
-    /* XXX add some extended UTF8 characters in here? */
-    str = "12345678900-qwertyuiopasdfghjklzxcvbnm"
-        "!@#$%^&*()_+QWERTYUIOPASDFGHJKLZXCVBNM"
-        "`~[]\\;',./{}|:\"<>?";
 
-    XftTextExtentsUtf8(ob_display, f->xftfont,
-                       (FcChar8*)str, strlen(str), &info);
-    f->height = (signed) info.height;
+    /* measure an elipses */
+    XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
+                       (FcChar8*)ELIPSES, strlen(ELIPSES), &info);
+    f->elipses_length = (signed) info.xOff;
 }
 
-ObFont *font_open(char *fontstring)
+RrFont *RrFontOpen(const RrInstance *inst, char *fontstring)
 {
-    ObFont *out;
+    RrFont *out;
     XftFont *xf;
+
+    if (!started) {
+        font_startup();
+        started = TRUE;
+    }
     
-    if ((xf = XftFontOpenName(ob_display, ob_screen, fontstring))) {
-        out = g_new(ObFont, 1);
+    if ((xf = XftFontOpenName(RrDisplay(inst), RrScreen(inst), fontstring))) {
+        out = g_new(RrFont, 1);
+        out->inst = inst;
         out->xftfont = xf;
-        measure_height(out);
+        measure_font(out);
         return out;
     }
     g_warning(_("Unable to load font: %s\n"), fontstring);
     g_warning(_("Trying fallback font: %s\n"), "sans");
 
-    if ((xf = XftFontOpenName(ob_display, ob_screen, "sans"))) {
-        out = g_new(ObFont, 1);
+    if ((xf = XftFontOpenName(RrDisplay(inst), RrScreen(inst), "sans"))) {
+        out = g_new(RrFont, 1);
+        out->inst = inst;
         out->xftfont = xf;
-        measure_height(out);
+        measure_font(out);
         return out;
     }
     g_warning(_("Unable to load font: %s\n"), "sans");
-    g_warning(_("Aborting!.\n"));
 
-    exit(3); /* can't continue without a font */
+    return NULL;
 }
 
-void font_close(ObFont *f)
+void RrFontClose(RrFont *f)
 {
-    XftFontClose(ob_display, f->xftfont);
-    g_free(f);
+    if (f) {
+        XftFontClose(RrDisplay(f->inst), f->xftfont);
+        g_free(f);
+    }
 }
 
-int font_measure_string(ObFont *f, char *str, int shadow, int offset)
+static void font_measure_full(const RrFont *f, const gchar *str,
+                              gint shadow, gint offset, gint *x, gint *y)
 {
     XGlyphInfo info;
 
-    XftTextExtentsUtf8(ob_display, f->xftfont,
-                       (FcChar8*)str, strlen(str), &info);
+    XftTextExtentsUtf8(RrDisplay(f->inst), f->xftfont,
+                       (const FcChar8*)str, strlen(str), &info);
 
-    return (signed) info.xOff + (shadow ? offset : 0);
+    *x = (signed) info.xOff + (shadow ? ABS(offset) : 0);
+    *y = info.height + (shadow ? ABS(offset) : 0);
 }
 
-int font_height(ObFont *f, int shadow, int offset)
+int RrFontMeasureString(const RrFont *f, const gchar *str,
+                        gint shadow, gint offset)
 {
-    return f->height + (shadow ? offset : 0);
+    gint x, y;
+    font_measure_full (f, str, shadow, offset, &x, &y);
+    return x;
 }
 
-int font_max_char_width(ObFont *f)
+int RrFontHeight(const RrFont *f, gint shadow, gint offset)
+{
+    return f->xftfont->ascent + f->xftfont->descent + (shadow ? offset : 0);
+}
+
+int RrFontMaxCharWidth(const RrFont *f)
 {
     return (signed) f->xftfont->max_advance_width;
 }
 
-void font_draw(XftDraw *d, TextureText *t, Rect *position)
+void RrFontDraw(XftDraw *d, RrTextureText *t, Rect *area)
 {
-    int x,y,w,h;
+    gint x,y,w,h;
     XftColor c;
+    GString *text;
+    gint mw, em, mh;
+    size_t l;
+    gboolean shortened = FALSE;
+
+    /* center vertically */
+    y = area->y +
+        (area->height - RrFontHeight(t->font, t->shadow, t->offset)) / 2;
+    w = area->width;
+    h = area->height;
+
+    text = g_string_new(t->string);
+    l = g_utf8_strlen(text->str, -1);
+    font_measure_full(t->font, text->str, t->shadow, t->offset, &mw, &mh);
+    while (l && mw > area->width) {
+        shortened = TRUE;
+        /* remove a character from the middle */
+        text = g_string_erase(text, l-- / 2, 1);
+        em = ELIPSES_LENGTH(t->font, t->shadow, t->offset);
+        /* if the elipses are too large, don't show them at all */
+        if (em > area->width)
+            shortened = FALSE;
+        font_measure_full(t->font, text->str, t->shadow, t->offset, &mw, &mh);
+        mw += em;
+    }
+    if (shortened) {
+        text = g_string_insert(text, (l + 1) / 2, ELIPSES);
+        l += 3;
+    }
+    if (!l) return;
+
+    switch (t->justify) {
+    case RR_JUSTIFY_LEFT:
+        x = area->x;
+        break;
+    case RR_JUSTIFY_RIGHT:
+        x = area->x + (w - mw);
+        break;
+    case RR_JUSTIFY_CENTER:
+        x = area->x + (w - mw) / 2;
+        break;
+    }
 
-    x = position->x;
-    y = position->y;
-    w = position->width;
-    h = position->height;
-
-    /* accomidate for areas bigger/smaller than Xft thinks the font is tall */
-    y -= (2 * (t->font->xftfont->ascent + t->font->xftfont->descent) -
-          (t->font->height + h) - 1) / 2;
-
-    x += 3; /* XXX figure out X with justification */
+    l = strlen(text->str); /* number of bytes */
 
     if (t->shadow) {
-        c.color.red = 0;
-        c.color.green = 0;
-        c.color.blue = 0;
-        c.color.alpha = t->tint | t->tint << 8; /* transparent shadow */
-        c.pixel = BlackPixel(ob_display, ob_screen);
-  
+        if (t->tint >= 0) {
+            c.color.red = 0;
+            c.color.green = 0;
+            c.color.blue = 0;
+            c.color.alpha = 0xffff * t->tint / 100; /* transparent shadow */
+            c.pixel = BlackPixel(RrDisplay(t->font->inst),
+                                 RrScreen(t->font->inst));
+        } else {
+            c.color.red = 0xffff * -t->tint / 100;
+            c.color.green = 0xffff * -t->tint / 100;
+            c.color.blue = 0xffff * -t->tint / 100;
+            c.color.alpha = 0xffff * -t->tint / 100; /* transparent shadow */
+            c.pixel = WhitePixel(RrDisplay(t->font->inst),
+                                 RrScreen(t->font->inst));
+        }  
         XftDrawStringUtf8(d, &c, t->font->xftfont, x + t->offset,
                           t->font->xftfont->ascent + y + t->offset,
-                          (FcChar8*)t->string, strlen(t->string));
+                          (FcChar8*)text->str, l);
     }  
     c.color.red = t->color->r | t->color->r << 8;
     c.color.green = t->color->g | t->color->g << 8;
@@ -127,6 +190,6 @@ void font_draw(XftDraw *d, TextureText *t, Rect *position)
                      
     XftDrawStringUtf8(d, &c, t->font->xftfont, x,
                       t->font->xftfont->ascent + y,
-                      (FcChar8*)t->string, strlen(t->string));
+                      (FcChar8*)text->str, l);
     return;
 }