Changeset d63623f in mainline for uspace/lib/ui/src/entry.c

Timestamp:

2021-07-16T17:45:12Z (3 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

4afb6c9

Parents:

61bf9dd9

Message:

Seeking in entry text using mouse

File:

• uspace/lib/ui/src/entry.c (modified) (7 diffs)

uspace/lib/ui/src/entry.c

@@ -256 +256 @@
 {
         ui_resource_t *res;
+        ui_entry_geom_t geom;
         gfx_text_fmt_t fmt;
         gfx_coord2_t pos;
-        gfx_coord_t hpad;
-        gfx_coord_t vpad;
-        gfx_coord_t width;
         gfx_rect_t inside;
         errno_t rc;
@@ -266 +264 @@
         res = ui_window_get_res(entry->window);
 
-        if (res->textmode) {
-                hpad = ui_entry_hpad_text;
-                vpad = ui_entry_vpad_text;
-        } else {
-                hpad = ui_entry_hpad;
-                vpad = ui_entry_vpad;
-        }
+        ui_entry_get_geom(entry, &geom);
 
         if (res->textmode == false) {
@@ -293 +285 @@
                 goto error;
 
-        width = gfx_text_width(res->font, entry->text);
-
-        switch (entry->halign) {
-        case gfx_halign_left:
-        case gfx_halign_justify:
-                pos.x = inside.p0.x + hpad;
-                break;
-        case gfx_halign_center:
-                pos.x = (inside.p0.x + inside.p1.x) / 2 - width / 2;
-                break;
-        case gfx_halign_right:
-                pos.x = inside.p1.x - hpad - 1 - width;
-                break;
-        }
-
-        pos.y = inside.p0.y + vpad;
+        pos = geom.text_pos;
 
         gfx_text_fmt_init(&fmt);
@@ -347 +324 @@
 error:
         return rc;
+}
+
+/** Find position in text entry.
+ *
+ * @param entry Text entry
+ * @param fpos Position for which we need to find text offset
+ * @return Corresponding byte offset in entry text
+ */
+size_t ui_entry_find_pos(ui_entry_t *entry, gfx_coord2_t *fpos)
+{
+        ui_resource_t *res;
+        ui_entry_geom_t geom;
+        gfx_text_fmt_t fmt;
+
+        res = ui_window_get_res(entry->window);
+
+        ui_entry_get_geom(entry, &geom);
+
+        gfx_text_fmt_init(&fmt);
+        fmt.halign = gfx_halign_left;
+        fmt.valign = gfx_valign_top;
+
+        return gfx_text_find_pos(res->font, &geom.text_pos, &fmt,
+            entry->text, fpos);
 }
 
@@ -567 +568 @@
 
                 if (gfx_pix_inside_rect(&pos, &entry->rect)) {
-                        ui_entry_activate(entry);
+                        entry->pos = ui_entry_find_pos(entry, &pos);
+                        if (entry->active)
+                                ui_entry_paint(entry);
+                        else
+                                ui_entry_activate(entry);
 
                         return ui_claimed;
@@ -604 +609 @@
 }
 
+/** Get text entry geometry.
+ *
+ * @param entry Text entry
+ * @param geom Structure to fill in with computed geometry
+ */
+void ui_entry_get_geom(ui_entry_t *entry, ui_entry_geom_t *geom)
+{
+        gfx_coord_t hpad;
+        gfx_coord_t vpad;
+        gfx_coord_t width;
+        ui_resource_t *res;
+
+        res = ui_window_get_res(entry->window);
+
+        if (res->textmode) {
+                hpad = ui_entry_hpad_text;
+                vpad = ui_entry_vpad_text;
+        } else {
+                hpad = ui_entry_hpad;
+                vpad = ui_entry_vpad;
+        }
+
+        if (res->textmode == false) {
+                ui_paint_get_inset_frame_inside(res, &entry->rect,
+                    &geom->interior_rect);
+        } else {
+                geom->interior_rect = entry->rect;
+        }
+
+        width = gfx_text_width(res->font, entry->text);
+
+        switch (entry->halign) {
+        case gfx_halign_left:
+        case gfx_halign_justify:
+                geom->text_pos.x = geom->interior_rect.p0.x + hpad;
+                break;
+        case gfx_halign_center:
+                geom->text_pos.x = (geom->interior_rect.p0.x +
+                    geom->interior_rect.p1.x) / 2 - width / 2;
+                break;
+        case gfx_halign_right:
+                geom->text_pos.x = geom->interior_rect.p1.x - hpad - 1 - width;
+                break;
+        }
+
+        geom->text_pos.y = geom->interior_rect.p0.y + vpad;
+}
+
 /** Activate text entry.
  *
@@ -618 +671 @@
 
         entry->active = true;
-        entry->pos = str_size(entry->text);
         (void) ui_entry_paint(entry);