Improve the text box entry keyboard controls

pygame_gui/core/text/text_box_layout.py

@@ -96,7 +96,7 @@ def __init__(self,
             self._add_row_to_layout(current_row, True)
 
         self.edit_buffer = 2
-        self.cursor_text_row = None
+        self.cursor_text_row: Optional[TextBoxLayoutRow] = None
         self.last_horiz_cursor_row_pos = 0
 
         self.selection_colour = pygame.Color(128, 128, 200, 255)
@@ -585,6 +585,29 @@ def vert_align_bottom_all_rows(self, y_padding):
             row.vert_align_items_to_row()
             new_y -= row.height
 
+    def set_cursor_to_end_of_current_row(self):
+        """
+        Set the edit cursor position in the text layout to the end of the current row and returns the overall
+        position in the text
+
+        :return: the overall position of the cursor in the text layout, after setting it to the end of the current row
+        """
+        if self.cursor_text_row is not None:
+            is_last_row = self.cursor_text_row == self.layout_rows[-1]
+            self.cursor_text_row.set_cursor_to_end(is_last_row)
+        return self.get_cursor_index()
+
+    def set_cursor_to_start_of_current_row(self):
+        """
+        Set the edit cursor position in the text layout to the end of the current row and returns the overall
+        position in the text
+
+        :return: the overall position of the cursor in the text layout, after setting it to the end of the current row
+        """
+        if self.cursor_text_row is not None:
+            self.cursor_text_row.set_cursor_to_start()
+        return self.get_cursor_index()
+
     def set_cursor_position(self, cursor_pos):
         """
         Set the edit cursor position in the text layout.

pygame_gui/core/text/text_box_layout_row.py

@@ -470,6 +470,23 @@
 
         self._setup_offset_position_from_edit_cursor()
 
+    def set_cursor_to_end(self, is_last_row):
+        end_pos = self.letter_count
+        # we need to ignore the trailing space on line-wrapped rows,
+        # or we will spill over to the row below
+        if not is_last_row and len(self.items) > 0:
+            last_chunk = self.items[-1]
+            if (isinstance(last_chunk, TextLineChunkFTFont) and
+                    (len(last_chunk.text) > 0 and last_chunk.text[-1] == " ")):
+                end_pos -= 1
+            if isinstance(last_chunk, LineBreakLayoutRect):
+                end_pos -= 1
+        end_pos = max(0, end_pos)
+        self.set_cursor_position(end_pos)
+
+    def set_cursor_to_start(self):
+        self.set_cursor_position(0)
+
     def get_cursor_index(self) -> int:
         """
         Get the current character index of the cursor

pygame_gui/core/ui_element.py

@@ -556,11 +556,19 @@ def _update_absolute_rect_position_from_anchors(self, recalculate_margins=False)
 
         self.rect.left = new_left
         self.rect.top = new_top
-        new_height = new_bottom - new_top
-        new_width = new_right - new_left
+        if self.dynamic_height:
+            new_height = new_bottom - new_top
+        else:
+            new_height = max(0, new_bottom - new_top)
+
+        if self.dynamic_width:
+            new_width = new_right - new_left
+        else:
+            new_width = max(0, new_right - new_left)
+
         new_width, new_height = self._get_clamped_to_minimum_dimensions((new_width, new_height))
         if (new_height != self.relative_rect.height) or (new_width != self.relative_rect.width):
-            self._set_dimensions((new_width, new_height))
+            self.set_dimensions((new_width, new_height))
 
     def _update_relative_rect_position_from_anchors(self, recalculate_margins=False):
         """
@@ -764,7 +772,7 @@ def set_minimum_dimensions(self, dimensions: Union[pygame.math.Vector2,
                 (self.rect.height < self.minimum_dimensions[1])):
             new_width = max(self.minimum_dimensions[0], self.rect.width)
             new_height = max(self.minimum_dimensions[1], self.rect.height)
-            self._set_dimensions((new_width, new_height))
+            self.set_dimensions((new_width, new_height))
 
     def set_dimensions(self, dimensions: Union[pygame.math.Vector2,
                                                Tuple[int, int],
@@ -800,9 +808,9 @@ def set_dimensions(self, dimensions: Union[pygame.math.Vector2,
             self._set_dimensions(dimensions, clamp_to_container)
 
     def _set_dimensions(self, dimensions: Union[pygame.math.Vector2,
-                                               Tuple[int, int],
-                                               Tuple[float, float]],
-                       clamp_to_container: bool = False):
+                                                Tuple[int, int],
+                                                Tuple[float, float]],
+                        clamp_to_container: bool = False):
         """
         Method to directly set the dimensions of an element.
         Dimensions must be positive values.

pygame_gui/data/default_theme.json

@@ -231,6 +231,13 @@
             "rect_width": "170"
         }
     },
+    "file_dialog.button.tool_tip":
+    {
+        "misc":
+        {
+            "rect_width": "-1"
+        }
+    },
     "vertical_scroll_bar":
     {
         "prototype": "#default_shape_style"

pygame_gui/elements/ui_text_box.py

@@ -588,7 +588,7 @@ def parse_html_into_style_data(self):
                                              text_direction=self.parser.default_style['direction'])
         self.text_box_layout.set_cursor_colour(self.text_cursor_colour)
         self.parser.empty_layout_queue()
-        if not self.dynamic_height:
+        if self.dynamic_height:
             self.text_box_layout.view_rect.height = self.text_box_layout.layout_rect.height
 
         self._align_all_text_rows()