Changeset 943f032 in mainline for uspace/lib/ui/src/slider.c

Timestamp:

2021-08-13T22:27:15Z (3 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

de0c55a

Parents:

ce0a5af

Message:

Slider text mode

File:

• uspace/lib/ui/src/slider.c (modified) (5 diffs)

uspace/lib/ui/src/slider.c

@@ -38 +38 @@
 #include <gfx/context.h>
 #include <gfx/render.h>
+#include <gfx/text.h>
 #include <io/pos_event.h>
 #include <stdlib.h>
@@ -57 +58 @@
         /** Slider button height */
         ui_slider_btn_h = 23,
+        /** Slider button width in text mode */
+        ui_slider_btn_w_text = 3,
         /** Slider button frame thickness */
         ui_slider_btn_frame_thickness = 1,
@@ -251 +254 @@
 {
         gfx_coord2_t dims;
+        gfx_coord_t w;
 
         gfx_rect_dims(&slider->rect, &dims);
-        return dims.x - ui_slider_btn_w;
-}
-
-/** Paint slider.
- *
- * @param slider Slider
- * @return EOK on success or an error code
- */
-errno_t ui_slider_paint(ui_slider_t *slider)
+        w = slider->res->textmode ? ui_slider_btn_w_text :
+            ui_slider_btn_w;
+        return dims.x - w;
+}
+
+/** Paint slider in graphics mode.
+ *
+ * @param slider Slider
+ * @return EOK on success or an error code
+ */
+errno_t ui_slider_paint_gfx(ui_slider_t *slider)
 {
         gfx_coord2_t pos;
@@ -315 +321 @@
 }
 
+/** Paint slider in text mode.
+ *
+ * @param slider Slider
+ * @return EOK on success or an error code
+ */
+errno_t ui_slider_paint_text(ui_slider_t *slider)
+{
+        gfx_coord2_t pos;
+        gfx_text_fmt_t fmt;
+        gfx_coord_t w, i;
+        char *buf;
+        errno_t rc;
+
+        /* Paint slider groove */
+
+        pos = slider->rect.p0;
+
+        gfx_text_fmt_init(&fmt);
+        fmt.color = slider->res->wnd_text_color;
+        fmt.halign = gfx_halign_left;
+        fmt.valign = gfx_valign_top;
+
+        w = slider->rect.p1.x - slider->rect.p0.x;
+        buf = malloc(w + 1);
+        if (buf == NULL)
+                return ENOMEM;
+
+        for (i = 0; i < w; i++)
+                buf[i] = '=';
+        buf[w] = '\0';
+
+        rc = gfx_puttext(slider->res->font, &pos, &fmt, buf);
+        free(buf);
+        if (rc != EOK)
+                goto error;
+
+        /* Paint slider button */
+
+        pos.x += slider->pos;
+
+        rc = gfx_puttext(slider->res->font, &pos, &fmt,
+            "[O]");
+        if (rc != EOK)
+                goto error;
+
+        rc = gfx_update(slider->res->gc);
+        if (rc != EOK)
+                goto error;
+
+        return EOK;
+error:
+        return rc;
+}
+
+/** Paint slider.
+ *
+ * @param slider Slider
+ * @return EOK on success or an error code
+ */
+errno_t ui_slider_paint(ui_slider_t *slider)
+{
+        if (slider->res->textmode)
+                return ui_slider_paint_text(slider);
+        else
+                return ui_slider_paint_gfx(slider);
+}
+
 /** Clear slider button.
  *
@@ -324 +397 @@
         gfx_rect_t rect;
         errno_t rc;
+
+        /* No need to clear button in text mode */
+        if (slider->res->textmode)
+                return EOK;
 
         ui_slider_btn_rect(slider, &rect);