265 lines
11 KiB
C
265 lines
11 KiB
C
#ifndef _GUISLICE_EX_XRAMP_H_
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#define _GUISLICE_EX_XRAMP_H_
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#include "GUIslice.h"
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// =======================================================================
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// GUIslice library extension: Ramp gauge
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// - Calvin Hass
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// - https://www.impulseadventure.com/elec/guislice-gui.html
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// - https://github.com/ImpulseAdventure/GUIslice
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// =======================================================================
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//
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// The MIT License
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//
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// Copyright 2016-2020 Calvin Hass
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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// =======================================================================
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/// \file XRamp.h
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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// ============================================================================
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// Extended Element: Ramp Gauge
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// - Demonstration of a gradient ramp (green-yellow-red) visual
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// control similar to certain linear tachometers.
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// - The ramp rises up and to the right according to the
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// current value.
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// - Note that this element is mainly intended as a demonstration
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// example. Additional APIs would be recommended to make it
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// more configurable.
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// ============================================================================
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// Define unique identifier for extended element type
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// - Select any number above GSLC_TYPE_BASE_EXTEND
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#define GSLC_TYPEX_RAMP GSLC_TYPE_BASE_EXTEND + 62
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// Extended element data structures
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// - These data structures are maintained in the gslc_tsElem
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// structure via the pXData pointer
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/// Extended data for Gauge element
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typedef struct {
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// Range config
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int16_t nMin; ///< Minimum control value
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int16_t nMax; ///< Maximum control value
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// Current value
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int16_t nVal; ///< Current control value
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// Previous value
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int16_t nValLast; ///< Last value
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bool bValLastValid; ///< Last value valid?
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// Appearance config
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} gslc_tsXRamp;
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///
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/// Create a Ramp Gauge Element
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/// - Draws a gauge element that represents a proportion (nVal)
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/// between nMin and nMax.
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///
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/// \param[in] pGui: Pointer to GUI
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/// \param[in] nElemId: Element ID to assign (0..16383 or GSLC_ID_AUTO to autogen)
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/// \param[in] nPage: Page ID to attach element to
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/// \param[in] pXData: Ptr to extended element data structure
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/// \param[in] rElem: Rectangle coordinates defining gauge size
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/// \param[in] nMin: Minimum value of gauge for nVal comparison
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/// \param[in] nMax: Maximum value of gauge for nVal comparison
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/// \param[in] nVal: Starting value of gauge
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/// \param[in] colGauge: Color for the gauge indicator
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/// \param[in] bVert: Flag to indicate vertical vs horizontal action
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/// (true = vertical, false = horizontal)
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///
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/// \return Pointer to Element reference or NULL if failure
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///
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gslc_tsElemRef* gslc_ElemXRampCreate(gslc_tsGui* pGui,int16_t nElemId,int16_t nPage,
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gslc_tsXRamp* pXData,gslc_tsRect rElem,int16_t nMin,int16_t nMax,int16_t nVal,gslc_tsColor colGauge,bool bVert);
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///
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/// Update a Gauge element's current value
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/// - Note that min & max values are assigned in create()
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///
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/// \param[in] pGui: Pointer to GUI
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/// \param[in] pElemRef: Pointer to Element reference
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/// \param[in] nVal: New value to show in gauge
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///
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/// \return none
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///
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void gslc_ElemXRampSetVal(gslc_tsGui* pGui,gslc_tsElemRef* pElemRef,int16_t nVal);
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///
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/// Draw a gauge element on the screen
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/// - Called from gslc_ElemDraw()
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///
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/// \param[in] pvGui: Void ptr to GUI (typecast to gslc_tsGui*)
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/// \param[in] pvElemRef: Void ptr to Element reference (typecast to gslc_tsElemRef*)
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/// \param[in] eRedraw: Redraw mode
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///
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/// \return true if success, false otherwise
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///
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bool gslc_ElemXRampDraw(void* pvGui,void* pvElemRef,gslc_teRedrawType eRedraw);
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///
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/// Helper function to draw a gauge with style: ramp
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/// - Called from gslc_ElemXRampDraw()
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///
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/// \param[in] pGui: Ptr to GUI
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/// \param[in] pElemRef: Ptr to Element reference
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/// \param[in] eRedraw: Redraw status
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///
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/// \return true if success, false otherwise
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///
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bool gslc_ElemXRampDrawHelp(gslc_tsGui* pGui,gslc_tsElemRef* pElemRef,gslc_teRedrawType eRedraw);
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// ============================================================================
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// ------------------------------------------------------------------------
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// Read-only element macros
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// ------------------------------------------------------------------------
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// Macro initializers for Read-Only Elements in Flash/PROGMEM
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//
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/// \def gslc_ElemXRampCreate_P(pGui,nElemId,nPage,nX,nY,nW,nH,
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/// nMin_,nMax_,nVal_,colFrame_,colFill_)
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///
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/// Create a Gauge Element in Flash
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///
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/// \param[in] pGui: Pointer to GUI
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/// \param[in] nElemId: Unique element ID to assign
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/// \param[in] nPage: Page ID to attach element to
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/// \param[in] nX: X coordinate of element
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/// \param[in] nY: Y coordinate of element
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/// \param[in] nW: Width of element
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/// \param[in] nH: Height of element
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/// \param[in] nMin_: Minimum value of gauge for nVal comparison
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/// \param[in] nMax_: Maximum value of gauge for nVal comparison
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/// \param[in] nVal_: Starting value of gauge
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/// \param[in] colFrame_: Color for the gauge frame
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/// \param[in] colFill_: Color for the gauge background fill
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///
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/// \return none
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///
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#if (GSLC_USE_PROGMEM)
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#define gslc_ElemXRampCreate_P(pGui,nElemId,nPage,nX,nY,nW,nH,\
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nMin_,nMax_,nVal_,colFrame_,colFill_) \
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static const uint8_t nFeatures##nElemId = GSLC_ELEM_FEA_VALID | \
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GSLC_ELEM_FEA_GLOW_EN | GSLC_ELEM_FEA_FILL_EN; \
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static gslc_tsXRamp sGauge##nElemId; \
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sGauge##nElemId.nMin = nMin_; \
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sGauge##nElemId.nMax = nMax_; \
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sGauge##nElemId.nVal = nVal_; \
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sGauge##nElemId.nValLast = nVal_; \
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sGauge##nElemId.bValLastValid = false; \
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static const gslc_tsElem sElem##nElemId PROGMEM = { \
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nElemId, \
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nFeatures##nElemId, \
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GSLC_TYPEX_RAMP, \
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(gslc_tsRect){nX,nY,nW,nH}, \
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GSLC_GROUP_ID_NONE, \
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colFrame_,colFill_,colFrame_,colFill_, \
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(gslc_tsImgRef){NULL,NULL,GSLC_IMGREF_NONE,NULL}, \
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(gslc_tsImgRef){NULL,NULL,GSLC_IMGREF_NONE,NULL}, \
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NULL, \
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NULL, \
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0, \
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(gslc_teTxtFlags)(GSLC_TXT_DEFAULT), \
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GSLC_COL_WHITE, \
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GSLC_COL_WHITE, \
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GSLC_ALIGN_MID_MID, \
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0, \
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0, \
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NULL, \
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(void*)(&sGauge##nElemId), \
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NULL, \
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&gslc_ElemXRampDraw, \
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NULL, \
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NULL, \
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}; \
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gslc_ElemAdd(pGui,nPage,(gslc_tsElem*)&sElem##nElemId, \
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(gslc_teElemRefFlags)(GSLC_ELEMREF_SRC_PROG | GSLC_ELEMREF_VISIBLE | GSLC_ELEMREF_REDRAW_FULL));
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#else
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#define gslc_ElemXRampCreate_P(pGui,nElemId,nPage,nX,nY,nW,nH,\
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nMin_,nMax_,nVal_,colFrame_,colFill_) \
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static const uint8_t nFeatures##nElemId = GSLC_ELEM_FEA_VALID | \
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GSLC_ELEM_FEA_GLOW_EN | GSLC_ELEM_FEA_FILL_EN; \
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static gslc_tsXRamp sGauge##nElemId; \
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sGauge##nElemId.nMin = nMin_; \
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sGauge##nElemId.nMax = nMax_; \
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sGauge##nElemId.nVal = nVal_; \
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sGauge##nElemId.nValLast = nVal_; \
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sGauge##nElemId.bValLastValid = false; \
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static const gslc_tsElem sElem##nElemId = { \
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nElemId, \
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nFeatures##nElemId, \
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GSLC_TYPEX_RAMP, \
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(gslc_tsRect){nX,nY,nW,nH}, \
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GSLC_GROUP_ID_NONE, \
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colFrame_,colFill_,colFrame_,colFill_, \
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(gslc_tsImgRef){NULL,NULL,GSLC_IMGREF_NONE,NULL}, \
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(gslc_tsImgRef){NULL,NULL,GSLC_IMGREF_NONE,NULL}, \
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NULL, \
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NULL, \
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0, \
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(gslc_teTxtFlags)(GSLC_TXT_DEFAULT), \
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GSLC_COL_WHITE, \
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GSLC_COL_WHITE, \
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GSLC_ALIGN_MID_MID, \
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0, \
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0, \
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NULL, \
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(void*)(&sGauge##nElemId), \
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NULL, \
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&gslc_ElemXRampDraw, \
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NULL, \
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NULL, \
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}; \
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gslc_ElemAdd(pGui,nPage,(gslc_tsElem*)&sElem##nElemId, \
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(gslc_teElemRefFlags)(GSLC_ELEMREF_SRC_CONST | GSLC_ELEMREF_VISIBLE | GSLC_ELEMREF_REDRAW_FULL));
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#endif
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // _GUISLICE_EX_XRAMP_H_
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