draw: move padding stuff inside textbox

This is only used by textbox.

Signed-off-by: Julien Danjou <julien@danjou.info>

draw.c

@@ -201,41 +201,32 @@ draw_context_init(draw_context_t *d, int phys_screen,
  * \param wrap Wrap mode.
  * \param align Text alignment.
  * \param valign Vertical text alignment.
- * \param margin Margin to respect when drawing text.
  * \param area Area to draw to.
  * \param ext Text extents.
  */
 void
 draw_text(draw_context_t *ctx, draw_text_context_t *data,
           PangoEllipsizeMode ellip, PangoWrapMode wrap,
-          alignment_t align, alignment_t valign, padding_t *margin, area_t area, area_t *ext)
+          alignment_t align, alignment_t valign, area_t area, area_t *ext)
 {
-    int x, y;
-
     pango_layout_set_text(ctx->layout, data->text, data->len);
     pango_layout_set_width(ctx->layout,
-                           pango_units_from_double(area.width
-                                                   - (margin->left
-                                                      + margin->right)));
-    pango_layout_set_height(ctx->layout, pango_units_from_double(area.height)
-                                         - (margin->top + margin->bottom));
+                           pango_units_from_double(area.width));
+    pango_layout_set_height(ctx->layout, pango_units_from_double(area.height));
     pango_layout_set_ellipsize(ctx->layout, ellip);
     pango_layout_set_wrap(ctx->layout, wrap);
     pango_layout_set_attributes(ctx->layout, data->attr_list);
     pango_layout_set_font_description(ctx->layout, globalconf.font->desc);
 
-    x = area.x + margin->left;
-    y = area.y + margin->top;
-
     /* only honors alignment if enough space */
     if(ext->width < area.width)
         switch(align)
         {
           case AlignCenter:
-            x += (area.width - ext->width) / 2;
+            area.x += (area.width - ext->width) / 2;
             break;
           case AlignRight:
-            x += area.width - ext->width;
+            area.x += area.width - ext->width;
             break;
           default:
             break;
@@ -244,16 +235,16 @@ draw_text(draw_context_t *ctx, draw_text_context_t *data,
     switch(valign)
     {
       case AlignCenter:
-        y += (area.height - ext->height) / 2;
+        area.y += (area.height - ext->height) / 2;
         break;
       case AlignBottom:
-        y += area.height - ext->height;
+        area.y += area.height - ext->height;
         break;
       default:
         break;
     }
 
-    cairo_move_to(ctx->cr, x, y);
+    cairo_move_to(ctx->cr, area.x, area.y);
 
     cairo_set_source_rgba(ctx->cr,
                           ctx->fg.red / 65535.0,

draw.h

@@ -1,7 +1,7 @@
 /*
  * draw.h - draw functions header
  *
- * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
+ * Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -31,19 +31,6 @@
 #include "color.h"
 #include "common/array.h"
 
-/** Padding type */
-typedef struct
-{
-    /** Padding at top */
-    int top;
-    /** Padding at bottom */
-    int bottom;
-    /** Padding at left */
-    int left;
-    /** Padding at right */
-    int right;
-} padding_t;
-
 typedef enum
 {
     AlignLeft   = (0),
@@ -159,7 +146,7 @@ typedef struct
 } draw_text_context_t;
 
 bool draw_text_context_init(draw_text_context_t *, const char *, ssize_t);
-void draw_text(draw_context_t *, draw_text_context_t *, PangoEllipsizeMode, PangoWrapMode, alignment_t, alignment_t, padding_t *, area_t, area_t *);
+void draw_text(draw_context_t *, draw_text_context_t *, PangoEllipsizeMode, PangoWrapMode, alignment_t, alignment_t, area_t, area_t *);
 void draw_rectangle(draw_context_t *, area_t, float, bool, const color_t *);
 void draw_rectangle_gradient(draw_context_t *, area_t, float, bool, vector_t,
                              const color_t *, const color_t *, const color_t *);

luaa.h

@@ -181,47 +181,6 @@ luaA_warn(lua_State *L, const char *fmt, ...)
     fprintf(stderr, "\n");
 }
 
-/** Get an optional padding table from a Lua table.
- * \param L The Lua VM state.
- * \param idx The table index on the stack.
- * \param dpadding The default padding value to use.
- */
-static inline padding_t
-luaA_getopt_padding(lua_State *L, int idx, padding_t *dpadding)
-{
-    padding_t padding;
-
-    luaA_checktable(L, idx);
-
-    padding.right = luaA_getopt_number(L, idx, "right", dpadding->right);
-    padding.left = luaA_getopt_number(L, idx, "left", dpadding->left);
-    padding.top = luaA_getopt_number(L, idx, "top", dpadding->top);
-    padding.bottom = luaA_getopt_number(L, idx, "bottom", dpadding->bottom);
-
-    return padding;
-}
-
-
-/** Push a padding structure into a table on the Lua stack.
- * \param L The Lua VM state.
- * \param padding The padding struct pointer.
- * \return The number of elements pushed on stack.
- */
-static inline int
-luaA_pushpadding(lua_State *L, padding_t *padding)
-{
-    lua_createtable(L, 0, 4);
-    lua_pushnumber(L, padding->right);
-    lua_setfield(L, -2, "right");
-    lua_pushnumber(L, padding->left);
-    lua_setfield(L, -2, "left");
-    lua_pushnumber(L, padding->top);
-    lua_setfield(L, -2, "top");
-    lua_pushnumber(L, padding->bottom);
-    lua_setfield(L, -2, "bottom");
-    return 1;
-}
-
 void luaA_init(xdgHandle *);
 bool luaA_parserc(xdgHandle *, const char *, bool);
 void luaA_on_timer(EV_P_ ev_timer *, int);

widgets/textbox.c

@@ -1,7 +1,7 @@
 /*
  * textbox.c - text box widget
  *
- * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
+ * Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,6 +24,19 @@
 #include "luaa.h"
 #include "common/tokenize.h"
 
+/** Padding type */
+typedef struct
+{
+    /** Padding at top */
+    int top;
+    /** Padding at bottom */
+    int bottom;
+    /** Padding at left */
+    int left;
+    /** Padding at right */
+    int right;
+} padding_t;
+
 /** The textbox private data structure */
 typedef struct
 {
@@ -54,6 +67,47 @@ typedef struct
     alignment_t bg_align;
 } textbox_data_t;
 
+/** Get an optional padding table from a Lua table.
+ * \param L The Lua VM state.
+ * \param idx The table index on the stack.
+ * \param dpadding The default padding value to use.
+ */
+static inline padding_t
+luaA_getopt_padding(lua_State *L, int idx, padding_t *dpadding)
+{
+    padding_t padding;
+
+    luaA_checktable(L, idx);
+
+    padding.right = luaA_getopt_number(L, idx, "right", dpadding->right);
+    padding.left = luaA_getopt_number(L, idx, "left", dpadding->left);
+    padding.top = luaA_getopt_number(L, idx, "top", dpadding->top);
+    padding.bottom = luaA_getopt_number(L, idx, "bottom", dpadding->bottom);
+
+    return padding;
+}
+
+
+/** Push a padding structure into a table on the Lua stack.
+ * \param L The Lua VM state.
+ * \param padding The padding struct pointer.
+ * \return The number of elements pushed on stack.
+ */
+static inline int
+luaA_pushpadding(lua_State *L, padding_t *padding)
+{
+    lua_createtable(L, 0, 4);
+    lua_pushnumber(L, padding->right);
+    lua_setfield(L, -2, "right");
+    lua_pushnumber(L, padding->left);
+    lua_setfield(L, -2, "left");
+    lua_pushnumber(L, padding->top);
+    lua_setfield(L, -2, "top");
+    lua_pushnumber(L, padding->bottom);
+    lua_setfield(L, -2, "bottom");
+    return 1;
+}
+
 static area_t
 textbox_extents(lua_State *L, widget_t *widget)
 {
@@ -122,7 +176,12 @@ textbox_draw(widget_t *widget, draw_context_t *ctx, area_t geometry, wibox_t *p)
         }
     }
 
-    draw_text(ctx, &d->data, d->ellip, d->wrap, d->align, d->valign, &d->margin, geometry, &d->extents);
+    geometry.x += d->margin.left;
+    geometry.y += d->margin.top;
+    geometry.width -= d->margin.left + d->margin.right;
+    geometry.height -= d->margin.top + d->margin.bottom;
+
+    draw_text(ctx, &d->data, d->ellip, d->wrap, d->align, d->valign, geometry, &d->extents);
 }
 
 /** Delete a textbox widget.