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GUI: add touch input primitives

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This commit is contained in:
tildearrow 2022-05-17 12:46:52 -05:00
parent 68c32749ff
commit f96d5b4e81
4 changed files with 262 additions and 29 deletions
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127
src/gui/piano.cpp
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@ -21,6 +21,8 @@
#include "guiConst.h"
#include "imgui.h"
#include "imgui_internal.h"
#include <fmt/printf.h>
#include "IconsFontAwesome4.h"
const float topKeyStarts[5]={
0.9f/7.0f, 2.1f/7.0f, 3.9f/7.0f, 5.0f/7.0f, 6.1f/7.0f
@ -34,6 +36,10 @@ const int bottomKeyNotes[7]={
0, 2, 4, 5, 7, 9, 11
};
const bool isTopKey[12]={
false, true, false, true, false, false, true, false, true, false, true, false
};
// TODO: actually implement a piano!
void FurnaceGUI::drawPiano() {
if (nextWindow==GUI_WINDOW_PIANO) {
@ -44,6 +50,9 @@ void FurnaceGUI::drawPiano() {
if (!pianoOpen) return;
if (ImGui::Begin("Piano",&pianoOpen,(pianoOptions)?0:ImGuiWindowFlags_NoTitleBar)) {
if (ImGui::BeginTable("PianoLayout",pianoOptions?2:1,ImGuiTableFlags_BordersInnerV)) {
int& off=(e->isPlaying() || pianoSharePosition)?pianoOffset:pianoOffsetEdit;
int& oct=(e->isPlaying() || pianoSharePosition)?pianoOctaves:pianoOctavesEdit;
bool view=(pianoView==2)?(!e->isPlaying()):pianoView;
if (pianoOptions) {
ImGui::TableSetupColumn("c0",ImGuiTableColumnFlags_WidthFixed);
}
@ -52,7 +61,42 @@ void FurnaceGUI::drawPiano() {
ImGui::TableNextRow();
if (pianoOptions) {
ImGui::TableNextColumn();
ImGui::Button("Options");
if (ImGui::Button(ICON_FA_ARROW_LEFT "##PianoLeft")) {
off--;
if (off<0) off=0;
}
ImGui::SameLine();
if (ImGui::Button(ICON_FA_ARROW_RIGHT "##PianoRight")) {
off++;
if ((off+oct)>14) off=15-oct;
}
ImGui::SameLine();
ImGui::Button(ICON_FA_ELLIPSIS_V "##PianoOptions");
if (ImGui::BeginPopupContextItem("PianoOptions",ImGuiPopupFlags_MouseButtonLeft)) {
ImGui::Text("Key layout:");
if (ImGui::RadioButton("Automatic",pianoView==2)) {
pianoView=2;
}
if (ImGui::RadioButton("Standard",pianoView==0)) {
pianoView=0;
}
if (ImGui::RadioButton("Continuous",pianoView==1)) {
pianoView=1;
}
ImGui::Checkbox("Share play/edit offset/range",&pianoSharePosition);
ImGui::EndPopup();
}
if (ImGui::Button(ICON_FA_MINUS "##PianoOctaveDown")) {
oct--;
if (oct<1) oct=1;
}
ImGui::SameLine();
if (ImGui::Button(ICON_FA_PLUS "##PianoOctaveUp")) {
oct++;
if (oct>15) oct=15;
if ((off+oct)>14) off=15-oct;
}
}
ImGui::TableNextColumn();
@ -70,36 +114,67 @@ void FurnaceGUI::drawPiano() {
// render piano
//ImGui::ItemSize(size,ImGui::GetStyle().FramePadding.y);
if (ImGui::ItemAdd(rect,ImGui::GetID("pianoDisplay"))) {
int bottomNotes=7*pianoOctaves;
for (int i=0; i<bottomNotes; i++) {
int note=bottomKeyNotes[i%7]+12*((i/7)+pianoOffset);
if (note<0) continue;
if (note>=180) continue;
float pkh=pianoKeyHit[note]*0.5;
ImVec4 color=ImVec4(1.0f-pkh,1.0f-pkh,1.0f-pkh,1.0f);
ImVec2 p0=ImLerp(rect.Min,rect.Max,ImVec2((float)i/bottomNotes,0.0f));
ImVec2 p1=ImLerp(rect.Min,rect.Max,ImVec2((float)(i+1)/bottomNotes,1.0f));
p1.x-=dpiScale;
dl->AddRectFilled(p0,p1,ImGui::ColorConvertFloat4ToU32(color));
}
for (int i=0; i<pianoOctaves; i++) {
ImVec2 op0=ImLerp(rect.Min,rect.Max,ImVec2((float)i/pianoOctaves,0.0f));
ImVec2 op1=ImLerp(rect.Min,rect.Max,ImVec2((float)(i+1)/pianoOctaves,1.0f));
for (int j=0; j<5; j++) {
int note=topKeyNotes[j]+12*(i+pianoOffset);
if (view) {
int notes=oct*12;
for (int i=0; i<notes; i++) {
int note=i+12*off;
if (note<0) continue;
if (note>=180) continue;
float pkh=pianoKeyHit[note]*0.5;
ImVec4 color=ImVec4(pkh,pkh,pkh,1.0f);
ImVec2 p0=ImLerp(op0,op1,ImVec2(topKeyStarts[j]-0.05f,0.0f));
ImVec2 p1=ImLerp(op0,op1,ImVec2(topKeyStarts[j]+0.05f,0.64f));
dl->AddRectFilled(p0,p1,0xff000000);
p0.x+=dpiScale;
ImVec4 color=isTopKey[i%12]?ImVec4(pkh,pkh,pkh,1.0f):ImVec4(1.0f-pkh,1.0f-pkh,1.0f-pkh,1.0f);
ImVec2 p0=ImLerp(rect.Min,rect.Max,ImVec2((float)i/notes,0.0f));
ImVec2 p1=ImLerp(rect.Min,rect.Max,ImVec2((float)(i+1)/notes,1.0f));
p1.x-=dpiScale;
p1.y-=dpiScale;
dl->AddRectFilled(p0,p1,ImGui::ColorConvertFloat4ToU32(color));
if ((i%12)==0) {
String label=fmt::sprintf("%d",(note-60)/12);
ImVec2 pText=ImLerp(p0,p1,ImVec2(0.5f,1.0f));
ImVec2 labelSize=ImGui::CalcTextSize(label.c_str());
pText.x-=labelSize.x*0.5f;
pText.y-=labelSize.y+ImGui::GetStyle().ItemSpacing.y;
dl->AddText(pText,0xff404040,label.c_str());
}
}
} else {
int bottomNotes=7*oct;
for (int i=0; i<bottomNotes; i++) {
int note=bottomKeyNotes[i%7]+12*((i/7)+off);
if (note<0) continue;
if (note>=180) continue;
float pkh=pianoKeyHit[note]*0.5;
ImVec4 color=ImVec4(1.0f-pkh,1.0f-pkh,1.0f-pkh,1.0f);
ImVec2 p0=ImLerp(rect.Min,rect.Max,ImVec2((float)i/bottomNotes,0.0f));
ImVec2 p1=ImLerp(rect.Min,rect.Max,ImVec2((float)(i+1)/bottomNotes,1.0f));
p1.x-=dpiScale;
dl->AddRectFilled(p0,p1,ImGui::ColorConvertFloat4ToU32(color));
if ((i%7)==0) {
String label=fmt::sprintf("%d",(note-60)/12);
ImVec2 pText=ImLerp(p0,p1,ImVec2(0.5f,1.0f));
ImVec2 labelSize=ImGui::CalcTextSize(label.c_str());
pText.x-=labelSize.x*0.5f;
pText.y-=labelSize.y+ImGui::GetStyle().ItemSpacing.y;
dl->AddText(pText,0xff404040,label.c_str());
}
}
for (int i=0; i<oct; i++) {
ImVec2 op0=ImLerp(rect.Min,rect.Max,ImVec2((float)i/oct,0.0f));
ImVec2 op1=ImLerp(rect.Min,rect.Max,ImVec2((float)(i+1)/oct,1.0f));
for (int j=0; j<5; j++) {
int note=topKeyNotes[j]+12*(i+off);
if (note<0) continue;
if (note>=180) continue;
float pkh=pianoKeyHit[note]*0.5;
ImVec4 color=ImVec4(pkh,pkh,pkh,1.0f);
ImVec2 p0=ImLerp(op0,op1,ImVec2(topKeyStarts[j]-0.05f,0.0f));
ImVec2 p1=ImLerp(op0,op1,ImVec2(topKeyStarts[j]+0.05f,0.64f));
dl->AddRectFilled(p0,p1,0xff000000);
p0.x+=dpiScale;
p1.x-=dpiScale;
p1.y-=dpiScale;
dl->AddRectFilled(p0,p1,ImGui::ColorConvertFloat4ToU32(color));
}
}
}