firmware/src/graphics/niche/InkHUD/Applets/Examples/NewMsgExample/NewMsgExampleApplet.cpp
2025-03-24 22:25:14 +13:00

53 lines
1.8 KiB
C++

#ifdef MESHTASTIC_INCLUDE_INKHUD
#include "./NewMsgExampleApplet.h"
using namespace NicheGraphics;
// We configured the Module API to call this method when we receive a new text message
ProcessMessage InkHUD::NewMsgExampleApplet::handleReceived(const meshtastic_MeshPacket &mp)
{
// Abort if applet fully deactivated
// Don't waste time: we wouldn't be rendered anyway
if (!isActive())
return ProcessMessage::CONTINUE;
// Check that this is an incoming message
// Outgoing messages (sent by us) will also call handleReceived
if (!isFromUs(&mp)) {
// Store the sender's nodenum
// We need to keep this information, so we can re-use it anytime render() is called
haveMessage = true;
fromWho = mp.from;
// Tell InkHUD that we have something new to show on the screen
requestUpdate();
}
// Tell Module API to continue informing other firmware components about this message
// We're not the only component which is interested in new text messages
return ProcessMessage::CONTINUE;
}
// All drawing happens here
// We can trigger a render by calling requestUpdate()
// Render might be called by some external source
// We should always be ready to draw
void InkHUD::NewMsgExampleApplet::onRender()
{
printAt(0, 0, "Example: NewMsg", LEFT, TOP); // Print top-left corner of text at (0,0)
int16_t centerX = X(0.5); // Same as width() / 2
int16_t centerY = Y(0.5); // Same as height() / 2
if (haveMessage) {
printAt(centerX, centerY, "New Message", CENTER, BOTTOM);
printAt(centerX, centerY, "From: " + hexifyNodeNum(fromWho), CENTER, TOP);
} else {
printAt(centerX, centerY, "No Message", CENTER, MIDDLE); // Place center of string at (centerX, centerY)
}
}
#endif