diff options
Diffstat (limited to 'blenderkit/bl_ui_widgets/bl_ui_button.py')
| -rw-r--r-- | blenderkit/bl_ui_widgets/bl_ui_button.py | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/blenderkit/bl_ui_widgets/bl_ui_button.py b/blenderkit/bl_ui_widgets/bl_ui_button.py new file mode 100644 index 00000000..ce26c54e --- /dev/null +++ b/blenderkit/bl_ui_widgets/bl_ui_button.py @@ -0,0 +1,192 @@ +from . bl_ui_widget import * + +import blf +import bpy + +class BL_UI_Button(BL_UI_Widget): + + def __init__(self, x, y, width, height): + super().__init__(x, y, width, height) + self._text_color = (1.0, 1.0, 1.0, 1.0) + self._hover_bg_color = (0.5, 0.5, 0.5, 1.0) + self._select_bg_color = (0.7, 0.7, 0.7, 1.0) + + self._text = "Button" + self._text_size = 16 + self._textpos = (x, y) + + self.__state = 0 + self.__image = None + self.__image_size = (24, 24) + self.__image_position = (4, 2) + + @property + def text_color(self): + return self._text_color + + @text_color.setter + def text_color(self, value): + self._text_color = value + + @property + def text(self): + return self._text + + @text.setter + def text(self, value): + self._text = value + + @property + def text_size(self): + return self._text_size + + @text_size.setter + def text_size(self, value): + self._text_size = value + + @property + def hover_bg_color(self): + return self._hover_bg_color + + @hover_bg_color.setter + def hover_bg_color(self, value): + self._hover_bg_color = value + + @property + def select_bg_color(self): + return self._select_bg_color + + @select_bg_color.setter + def select_bg_color(self, value): + self._select_bg_color = value + + def set_image_size(self, imgage_size): + self.__image_size = imgage_size + + def set_image_position(self, image_position): + self.__image_position = image_position + + def set_image(self, rel_filepath): + try: + self.__image = bpy.data.images.load(rel_filepath, check_existing=True) + self.__image.gl_load() + except: + pass + + def update(self, x, y): + super().update(x, y) + self._textpos = [x, y] + + def draw(self): + if not self.visible: + return + + area_height = self.get_area_height() + + self.shader.bind() + + self.set_colors() + + bgl.glEnable(bgl.GL_BLEND) + + self.batch_panel.draw(self.shader) + + self.draw_image() + + bgl.glDisable(bgl.GL_BLEND) + + # Draw text + self.draw_text(area_height) + + def set_colors(self): + color = self._bg_color + text_color = self._text_color + + # pressed + if self.__state == 1: + color = self._select_bg_color + + # hover + elif self.__state == 2: + color = self._hover_bg_color + + self.shader.uniform_float("color", color) + + def draw_text(self, area_height): + blf.size(0, self._text_size, 72) + size = blf.dimensions(0, self._text) + + textpos_y = area_height - self._textpos[1] - (self.height + size[1]) / 2.0 + blf.position(0, self._textpos[0] + (self.width - size[0]) / 2.0, textpos_y + 1, 0) + + r, g, b, a = self._text_color + blf.color(0, r, g, b, a) + + blf.draw(0, self._text) + + def draw_image(self): + if self.__image is not None: + try: + y_screen_flip = self.get_area_height() - self.y_screen + + off_x, off_y = self.__image_position + sx, sy = self.__image_size + + # bottom left, top left, top right, bottom right + vertices = ( + (self.x_screen + off_x, y_screen_flip - off_y), + (self.x_screen + off_x, y_screen_flip - sy - off_y), + (self.x_screen + off_x + sx, y_screen_flip - sy - off_y), + (self.x_screen + off_x + sx, y_screen_flip - off_y)) + + self.shader_img = gpu.shader.from_builtin('2D_IMAGE') + self.batch_img = batch_for_shader(self.shader_img, 'TRI_FAN', + { "pos" : vertices, + "texCoord": ((0, 1), (0, 0), (1, 0), (1, 1)) + },) + + # send image to gpu if it isn't there already + if self.__image.gl_load(): + raise Exception() + + bgl.glActiveTexture(bgl.GL_TEXTURE0) + bgl.glBindTexture(bgl.GL_TEXTURE_2D, self.__image.bindcode) + + self.shader_img.bind() + self.shader_img.uniform_int("image", 0) + self.batch_img.draw(self.shader_img) + return True + except: + pass + + return False + + def set_mouse_down(self, mouse_down_func): + self.mouse_down_func = mouse_down_func + + def mouse_down(self, x, y): + if self.is_in_rect(x,y): + self.__state = 1 + try: + self.mouse_down_func(self) + except Exception as e: + print(e) + + return True + + return False + + def mouse_move(self, x, y): + if self.is_in_rect(x,y): + if(self.__state != 1): + + # hover state + self.__state = 2 + else: + self.__state = 0 + + def mouse_up(self, x, y): + if self.is_in_rect(x,y): + self.__state = 2 + else: + self.__state = 0
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