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Minor improvements to the spinbox widget

spinbox_widget
Joel Bodenmann 2016-11-13 16:29:30 +01:00
parent f7ddad3689
commit e611e25a0d
2 changed files with 30 additions and 25 deletions
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9
src/gwin/gwin_spinbox.c
View File

@ -13,8 +13,7 @@
// This widget uses partial redraw by using the widget flags to indicate which
// portions of the widget needs to be redrawn.
#include "gfx.h"
#include "gwin_spinbox.h"
#include "gwin_class.h"
#include "stdlib.h"
#include "string.h"
@ -31,8 +30,12 @@
#define gw2obj ((GSpinboxObject *)gw)
#define gw2ButtonSize (gw->g.height)
// Macros to assist in calculations
#define FIELD_WIDTH(gw) (gw->g.width - 2*gw->g.height)
// Function to convert number to string, add decimal mark and sign
// Parameter *s initially points to end of buffer
// Parameter s initially points to end of buffer
// ToDo: Improve this function. Need some serious clean-up & proper error detection/prevention/handling.
char* fmtNum(int value, char* s, short placesOrTxtlen, const char* mark)
{
uint8_t places = 0;

46
src/gwin/gwin_spinbox.h
View File

@ -53,6 +53,7 @@
#define GSPINBOX_TXT 0x02 // Flag for text spinbox code flow
#define GSPINBOX_NUM 0x04 // Flag for numeric spinbox code flow
#define GSPINBOX_UPDOWN 0x08 // Increment/decrement flag
/** @} */
/**
* @brief A spinbox event
@ -112,16 +113,16 @@ GHandle gwinGSpinboxTxtCreate(GDisplay* g, GSpinboxObject* wt, GWidgetInit* pIni
* @details A Spinbox widget is a rectangular box which can contain text or numeric data and allows the user to select
* different numeric/text values with the use of mouse/touchpanel, (up/down arrows, keyboard & dial controls not supported).
*
* @param[in] g The GDisplay on which the Spinbox should be displayed
* @param[in] wt The Spinbox structure to initialise. If this is NULL, the structure is dynamically allocated.
* @param[in] pInit The initialisation parameters to use.
* @param[in] init The initial spinbox value.
* @param[in] min The minimum spinbox value.
* @param[in] max The maximum spinbox value.
* @param[in] step The increment value.
* @param[in] mark The mark character separator, (decimal point, comma, colon etc).
* @param[in] places The number of places after the mark, (0 will prevent any mark displayed).
* @param[in] units The units string, (blank for no units).
* @param[in] g The GDisplay on which the Spinbox should be displayed
* @param[in] wt The Spinbox structure to initialise. If this is NULL, the structure is dynamically allocated.
* @param[in] pInit The initialisation parameters to use.
* @param[in] init The initial spinbox value.
* @param[in] min The minimum spinbox value.
* @param[in] max The maximum spinbox value.
* @param[in] step The increment value.
* @param[in] mark The mark character separator, (decimal point, comma, colon etc).
* @param[in] places The number of places after the mark, (0 will prevent any mark displayed).
* @param[in] units The units string, (blank for no units).
*
* @return NULL if there is no resultant drawing area, otherwise the widget handle.
*
@ -131,6 +132,19 @@ GHandle gwinGSpinboxTxtCreate(GDisplay* g, GSpinboxObject* wt, GWidgetInit* pIni
GHandle gwinGSpinboxNumCreate(GDisplay* g, GSpinboxObject* wt, GWidgetInit* pInit, int init, int min, int max, int step, const char* mark, short places, const char* units, short fieldWidth);
#define gwinSpinboxNumCreate(wt, pInit, init, min, max, step, mark, places, units, fieldWidth) gwinGSpinboxNumCreate(GDISP, wt, pInit, init, min, max, step, mark, places, units, fieldWidth)
/**
* @brief Set the spinbox minimum and maximum values.
*
* @param[in] gh The window handle (must be a spinbox window)
* @param[in] min The minimum value
* @param[in] max The maximum value
* @param[in] step The value to increment
* @note Sets the minimum, maximum and step values, returns if min > max.
*
* @api
*/
void gwinSpinboxSetParams(GHandle gh, int initial, int min, int max, int step, const char* decimalmark, short placesOrTxtlen, const char* units);
/**
* @defgroup Renderings_Spinbox Renderings
*
@ -156,18 +170,6 @@ GHandle gwinGSpinboxNumCreate(GDisplay* g, GSpinboxObject* wt, GWidgetInit* pIni
*/
void gwinSpinboxDefaultDraw(GWidgetObject* gw, void* param);
/**
* @brief Set the spinbox minimum and maximum values.
*
* @param[in] gh The window handle (must be a spinbox window)
* @param[in] min The minimum value
* @param[in] max The maximum value
* @param[in] step The value to increment
* @note Sets the minimum, maximum and step values, returns if min > max.
*
* @api
*/
void gwinSpinboxSetParams (GHandle gh, int initial, int min, int max, int step, const char* decimalmark, short placesOrTxtlen, const char* units);
/** @} */