# Release Notes for # STM32 Embedded GUI Library Copyright © 2012 STMicroelectronics
## Contents STM32 Embedded GUI Library update history License ## STM32 Embedded GUI Library update history ### V2.1.0 / 31-July-2012 Main Changes All source files: license disclaimer text update and add link to the License file on ST Internet Enhancement for the STM32 Demonstration Builder application Slidebar widget: add Set_SlidebarValue(GL_Page_TypeDef* pPage, uint16_t ID, uint8_t position) method Radio widget: add GetRadioOptionChecked(GL_Page_TypeDef* pPage, uint16_t ID) method slidebar widget: create method add a parameter to make the control readonly/modifiable GL_PageControls_TypeDef* NewSlidebar (uint16_t ID, const uint8_t* label, GL_Direction direction, GL_bool ReadOnly, void (*pEventHandler)(void)) Checkbox Add CheckBox_IsChecked(GL_Page_TypeDef* pPage , uint16_t id) method Create method to add a parameter to make the control readonly/modifiable In the GL_Page_TypeDef structure, add: Page_ID: as unique page identifier to be set during the page creation: Create_PageObj(page, UID) void (*CustomPreDraw) (void) handler: to allow user to launch some initialization task before drawing the page void (*CustomPostDraw) (void) handler: to allow user to launch more custom graphical task after drawing the page Label : add transparency argument Additional composite widgets were added in separate file: gl_ext.c example: calendar control ### V2.0.0 / 11-July-2011 Main Changes Object IDs replaced by integer types instead of using char types Abstraction of SetObjVisible routine for all the GUI objects Optimized version with 2D objects (configured by the preprocessor defines "USE_2D_OBJECTS" or "USE_3D_OBJECTS") ### V1.0.0 / 07-February-2011 Main Changes Created First official release ## License Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this package except in compliance with the License. You may obtain a copy of the License at: http://www.st.com/software_license_agreement_liberty_v2 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. For complete documentation on STM32 Microcontrollers visit www.st.com/STM32