11 KiB
Panel and Its Derived Class
Brief Introduction of Panel Class Control
This class of control is the container class controls that accommodate other classes of controls, which are generally combination control class and main window class.
The class inheritance relation of panel and its derived class is as follows:
mPanel
- Control name:
NCSCTRL_PANEL - English name: Panel
- Brief introduction: Container of other controls, mainly used for carrying out grouped operation to the controls. Through grouping the controls into the panel control, a group of controls can be conveniently displayed or hidden.
- Schematic diagram:
Panel must exist in MainWnd, DialogBox, another Panel control or other
controls. Besides other controls, it can contain content such as texts and
images etc.
Style of mPanel
It is inherited from the style of mWidget.
Property of mPanel
It is inherited from the property of mWidget.
Event of mPanel
It is inherited from the event of mWidget.
Method of mPanel
It is inherited from the method of mWidget.
The class does not have newly added methods
Renderer of mPanel
It is inherited from the renderer of mWidget.
mPanel does not have newly added renderer method
Example of mPanel
This example demonstrates how to use panel to group multiple controls to the users.
Figure p2c6-1 Output of panel Program
List 1 panel.c
%INCLUDE{"%ATTACHURL%/panel.c.txt"}%
mCombobox
- Control name:
NCSCTRL_COMBOBOX - English name: Combobox
- Brief introduction: An edit box and a list box are integrated. Users can directly key text in the edit box and can select an existing item from the options listed in the list box. Input and selection functions of users can be well completed. Address column in general browser is a good application.
Style of mCombobox
It is inherited from the style of mPanel.
| Style name | miniStudio property name | Explanation |
| NCSS_CMBOX_SIMPLE | Type->Simple | Simple combination box |
| NCSS_CMBOX_DROPDOWNLIST | Type->DropDownList | Dropdown combination box |
| NCSS_CMBOX_SORT | Sort->TRUE | Character string automatic sorting |
| NCSS_CMBOX_EDITNOBORDER | EditHasBorder->FALSE | The edit box does not have border |
| NCSS_CMBOX_EDITBASELINE | EditHasBaseLine->TRUE | The edit box displays underlined characters |
| NCSS_CMBOX_READONLY | ReadOnly | Content displayed by the edit box is read only |
| NCSS_CMBOX_UPPERCASE | Case->Upper | All the display content of the edit box is converted to capital letter display |
| NCSS_CMBOX_LOWERCASE | Case->Lower | All the display content of the edit box is converted to lowercase letter display |
| NCSS_CMBOX_AUTOFOCUS | AutoFocus->TRUE | The control gets focus and automatically transfers to the edit box |
Property of mCombobox
It is inherited from the property of mPanel.
| Property name | miniStudio property name | Type | RW | Explanation |
| NCSP_COMB_DROPDOWNHEIGHT | DropDownHeight | int | RW | Height of the dropdown list |
| NCSP_COMB_ITEMHEIGHT | ItemHeight | int | RW | Height of the list item |
| NCSP_COMB_ITEMCOUNT | ItemCount | int | RO | Number of the list items |
| NCSP_COMB_TEXTLIMIT| TextLimit | int | RW | Limit of the edit box |
| NCSP_COMB_SELECT | -- | int | RW | Selection items index |
Event of mCombobox
It is inherited from the event of mPanel.
| Event ID | Parameter | Explanation |
| NCSN_CMBOX_SELCHANGE | -- | The selected item changes |
| NCSN_CMBOX_SETFOCUS | -- | Get focus |
| NCSN_CMBOX_KILLFOCUS | -- | Lose focus |
| NCSN_CMBOX_EDITCHANGE | -- | Content of the edit box changes |
| NCSN_CMBOX_DROPDOWN | -- | Dropdown list pops up |
| NCSN_CMBOX_CLOSEUP | -- | Dropdown list is closed |
| NCSN_CMBOX_SELECTOK | -- | Select an item when the dropdown list is closed |
| NCSN_CMBOX_SELECTCANCEL | -- | No selection when the dropdown list is closed |
Method of mCombobox
It is inherited from the method of mPanel.
addItem
BOOL addItem(mCombobox *self, const char *item, DWORD addData);
- Parameter:
- item – add the content of selected item
addData– additional data of the item- Explanation:
Add selected items to the dropdown list of combobox - Example:
char *items = {
"first item --- Chinese",
"second item --- German",
"third item -- English"
};
//Add three items to the dropdown list
for (i = 0; i < 3; i++)
{
_c(combo)->addItem(combo, items[i]， 0);
}
removeItem
BOOL removeItem(mCombobox *self, int index);
- Parameter:
- index – index of the items to be deleted
- Explanation:
Delete certain selected item from the dropdown list of combobox - Example:
//Delete the first item of the dropdown list
_c(combo)->removeItem(combo, 0);
setItem
BOOL setItem(mCombobox *self, int index, const char *item);
- Parameter:
- index – index of the items to be modified
- Explanation:
Modify content of certain selected item in the dropdown list of combobox - Example:
//Modify the content of the first item in the dropdown list to "new content"
_c(combo)->setItem(combo, 0, "new content");
getItem
const char* getItem(mCombobox *self, int index);
- Parameter:
- index – index of the items to get
- Explanation:
Get content of certain selected item in the dropdown list of combobox - Example:
const char *item_1 = _c(combo)->getItem(combo, 0);
setAddData
void* setAddData(mCombobox *self, int index, DWORD addData);
- Parameter:
- index – index of the items to set additional data
addData– information of additional data- Explanation:
Set additional data of certain selected item in the dropdown list of combobox - Example:
PBITMAP pbmp;
LoadBitmap (......);
_c(combo)->setAddData(combo, 0, (DWORD)pbmp);
getAddData
DWORD getAddData(mCombobox *self, int index);
- Parameter:
- index – index of the items to get additional data
- Explanation:
Get additional data of certain selected item in the dropdown list of combobox - Example:
DWORD add = _c(combo)->getAddData(combo, 0);
Renderers of mCombobox
They are inherited from the renderers of mPanel.
mCombobox Classic Renderer
| Property name | miniStudio property name | Type | Schematic diagram | Explanation |
| NCS_BGC_3DBODY | ColorBg3DBody | DWORD(ARGB) | | Draw color of the dropdown button |
| NCS_FGC_WINDOW | ColorFgWindow | DWORD(ARGB) | | Draw color of the arrow of the dropdown button |
mCombobox Fashion Renderer
| Property name | miniStudio property name | Type | Schematic diagram | Explanation |
| NCS_BGC_3DBODY | ColorBg3DBody | DWORD(ARGB) | | Draw color of the dropdown button |
| NCS_FGC_WINDOW | ColorFgWindow | DWORD(ARGB) | | Draw color of the arrow of the dropdown button |
| NCS_METRICS_3DBODY_ROUNDX | RoundX | int | | Round corner x radius of the dropdown button |
| NCS_METRICS_3DBODY_ROUNDY | RoundY | int | | Round corner y radius of the dropdown button |
| NCS_MODE_BGC | GradientMode | int | | Drawing mode of the gradual change effect (horizontal gradual change or vertical gradual change) |
mCombobox Skin Renderer
Refer to [Appendix B](MStudioMGNCSV1dot0PGENAppB][Image Specification]] in the Specification for the Image Resource Used by Skin Renderer ([[MStudioMGNCSV1dot0PGENAppB)).
mCombobox Flat Renderer
| Property name | miniStudio property name | Type | Schematic diagram | Explanation |
| NCS_BGC_3DBODY | ColorBg3DBody | DWORD(ARGB) | | Draw color of the dropdown button |
| NCS_FGC_WINDOW | ColorFgWindow | DWORD(ARGB) | | Draw color of the arrow of the dropdown button |
Example of mCombobox
List 1 combobox.c
%INCLUDE{"%ATTACHURL%/combobox"}%
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