Changeset 47728678 in mainline for uspace/lib/ui/src/pbutton.c

Timestamp:

2020-10-13T09:24:56Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f6df5a3

Parents:

f80690a

git-author:

Jiri Svoboda <jiri@…> (2020-10-12 21:24:39)

git-committer:

Jiri Svoboda <jiri@…> (2020-10-13 09:24:56)

Message:

Push button - first light

Introduced ui_resource_t class to hold common UI resources such as font,
colors, etc. We don't want every button to load its own copy of the font.

File:

• uspace/lib/ui/src/pbutton.c (modified) (3 diffs)

uspace/lib/ui/src/pbutton.c

@@ -35 +35 @@
 
 #include <errno.h>
+#include <gfx/color.h>
+#include <gfx/context.h>
+#include <gfx/render.h>
+#include <gfx/text.h>
 #include <stdlib.h>
+#include <str.h>
 #include <ui/pbutton.h>
 #include "../private/pbutton.h"
+#include "../private/resource.h"
 
 /** Create new push button.
  *
+ * @param resource UI resource
  * @param caption Caption
  * @param rpbutton Place to store pointer to new push button
  * @return EOK on success, ENOMEM if out of memory
  */
-errno_t ui_pbutton_create(const char *caption, ui_pbutton_t **rpbutton)
+errno_t ui_pbutton_create(ui_resource_t *resource, const char *caption,
+    ui_pbutton_t **rpbutton)
 {
         ui_pbutton_t *pbutton;
@@ -53 +61 @@
                 return ENOMEM;
 
-        (void) caption;
+        pbutton->caption = str_dup(caption);
+        if (pbutton->caption == NULL) {
+                free(pbutton);
+                return ENOMEM;
+        }
+
+        pbutton->res = resource;
         *rpbutton = pbutton;
         return EOK;
@@ -70 +84 @@
 }
 
+/** Set button rectangle.
+ *
+ * @param pbutton Button
+ * @param rect New button rectanle
+ */
+void ui_pbutton_set_rect(ui_pbutton_t *pbutton, gfx_rect_t *rect)
+{
+        pbutton->rect = *rect;
+}
+
+/** Paint push button.
+ *
+ * @param pbutton Push button
+ * @return EOK on success or an error code
+ */
+errno_t ui_pbutton_paint(ui_pbutton_t *pbutton)
+{
+        gfx_color_t *color = NULL;
+        gfx_coord2_t pos;
+        gfx_text_fmt_t fmt;
+        errno_t rc;
+
+        rc = gfx_color_new_rgb_i16(0xc8c8, 0xc8c8, 0xc8c8, &color);
+        if (rc != EOK)
+                goto error;
+
+        rc = gfx_set_color(pbutton->res->gc, color);
+        if (rc != EOK)
+                goto error;
+
+        rc = gfx_fill_rect(pbutton->res->gc, &pbutton->rect);
+        if (rc != EOK)
+                goto error;
+
+        gfx_color_delete(color);
+
+        rc = gfx_color_new_rgb_i16(0, 0, 0, &color);
+        if (rc != EOK)
+                goto error;
+
+        rc = gfx_set_color(pbutton->res->gc, color);
+        if (rc != EOK)
+                goto error;
+
+        /* Center of button rectangle */
+        pos.x = (pbutton->rect.p0.x + pbutton->rect.p1.x) / 2;
+        pos.y = (pbutton->rect.p0.y + pbutton->rect.p1.y) / 2;
+
+        gfx_text_fmt_init(&fmt);
+        fmt.halign = gfx_halign_center;
+        fmt.valign = gfx_valign_center;
+
+        rc = gfx_puttext(pbutton->res->font, &pos, &fmt, pbutton->caption);
+        if (rc != EOK)
+                goto error;
+
+        gfx_color_delete(color);
+
+        return EOK;
+error:
+        if (color != NULL)
+                gfx_color_delete(color);
+        return rc;
+}
+
 /** @}
  */