AN3128 datasheet(40/105 Pages) STMICROELECTRONICS

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Multi-input embedded GUI library firmware

AN3128

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Doc ID 16918 Rev 5

Example:

/* Declares and initiates a Page Object */

GL_Page_TypeDef page1;

Create_PageObj( &page1 );

/* Declares and initiates a Label Object and add it with specified coordinates to a

Page Object */

GL_PageControls_TypeDef* pageLabel = NewLabel("pageLabel", "Graphic Library",

GL_HORIZONTAL, GL_FONT_BIG, GL_Blue);

AddPageControlObj((uint16_t)((LCD_Width/11)*9),(uint8_t)(LCD_Height/11),pageLabel,

&page1);

/* Modify the label in a "Label Object" */

Set_Label(&page1, "pageLabel", "Graphic Library New")

/* Get the label in a "Label Object" */

Char* label;

Get_Label(&page1, "pageLabel", label)

Figure 14, 15, 16, show, in detail, the Label Object properties and methods which the final

application can use to interact with.

4.1.18

GetComboOptionLabel API global function

Table 23 describes the GetComboOptionLabel function:

Example:

/* Declares and initiates a Page Object */

GL_Page_TypeDef page1;

Create_PageObj( &page1 );

/* Declares and initiates a Label Object and add it with specified coordinates to a

Page Object */

AddPageControlObj((uint16_t)((LCD_Width/11)*9),(uint8_t)(LCD_Height/11),pageLabel,

&page1);

/* Declares and initiates a Combobox object */

GL_PageControls_TypeDef* ComboBoxGrp1 = NewComboBoxGrp("ComboBoxGrp1");

Table 23.

GetComboOptionLabel API function

Name

Description

Function name

GetComboOptionLabel

Function prototype

char* GetComboOptionLabel(GL_Page_TypeDef* pPage, char* objName)

Behavior description

Return the active combo option Label

Input parameter {x}

*pPage: pointer to page structure

objName: name of the object

Output parameter {x}

None

Return value

char* Label: the active combo option Label if the object was found

GL_NULL: if the object was not found

Required preconditions None

Called functions

No API/HAL layer functions

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