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Added scroll to sliders

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This commit is contained in:
Ryzerth
2021-02-07 12:30:25 +01:00
parent c26855d07e
commit 9def1843b2
10 changed files with 198 additions and 16 deletions
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12
core/src/gui/main_window.cpp
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@ -32,6 +32,10 @@
#include <gui/dialogs/loading_screen.h>
#include <options.h>
#include <gui/colormaps.h>
#include <gui/widgets/scroll_behavior.h>
#include <gui/widgets/file_select.h>
FileSelect fileSelect("%ROOT/recordings", "Alllll\0*.*\0Text\0*.TXT\0");
// const int FFTSizes[] = {
// 65536,
@ -553,6 +557,7 @@ void drawWindow() {
}
ImGui::Checkbox("Show demo window", &demoWindow);
ImGui::Checkbox("Experimental zoom", &experimentalZoom);
fileSelect.render("##_testfile");
ImGui::Spacing();
}
@ -584,7 +589,8 @@ void drawWindow() {
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - (ImGui::CalcTextSize("Zoom").x / 2.0));
ImGui::Text("Zoom");
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - 10);
if (ImGui::VSliderFloat("##_7_", ImVec2(20.0, 150.0), &bw, gui::waterfall.getBandwidth(), 1000.0, "", (experimentalZoom ? 2.0 : 1.0))) {
if (ImGui::VSliderFloat("##_7_", ImVec2(20.0, 150.0), &bw, gui::waterfall.getBandwidth(), 1000.0, "", (experimentalZoom ? 2.0 : 1.0)) ||
ImGui::AllowScrollwheel<float>(bw, 20, gui::waterfall.getBandwidth(), 1000.0)) {
gui::waterfall.setViewBandwidth(bw);
if (vfo != NULL) {
gui::waterfall.setViewOffset(vfo->centerOffset); // center vfo on screen
@ -596,7 +602,7 @@ void drawWindow() {
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - (ImGui::CalcTextSize("Max").x / 2.0));
ImGui::Text("Max");
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - 10);
if (ImGui::VSliderFloat("##_8_", ImVec2(20.0, 150.0), &fftMax, 0.0, -100.0, "")) {
if (ImGui::VSliderFloat("##_8_", ImVec2(20.0, 150.0), &fftMax, 0.0, -100.0, "") || ImGui::AllowScrollwheel<float>(fftMax, 20, -100, 0)) {
fftMax = std::max<float>(fftMax, fftMin + 10);
core::configManager.aquire();
core::configManager.conf["max"] = fftMax;
@ -608,7 +614,7 @@ void drawWindow() {
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - (ImGui::CalcTextSize("Min").x / 2.0));
ImGui::Text("Min");
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - 10);
if (ImGui::VSliderFloat("##_9_", ImVec2(20.0, 150.0), &fftMin, 0.0, -100.0, "")) {
if (ImGui::VSliderFloat("##_9_", ImVec2(20.0, 150.0), &fftMin, 0.0, -100.0, "") || ImGui::AllowScrollwheel<float>(fftMin, 20, -100, 0)) {
fftMin = std::min<float>(fftMax - 10, fftMin);
core::configManager.aquire();
core::configManager.conf["min"] = fftMin;

114
core/src/gui/widgets/file_select.cpp Normal file
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@ -0,0 +1,114 @@
#include <gui/widgets/file_select.h>
#include <regex>
#include <options.h>
#include <filesystem>
FileSelect::FileSelect(std::string defaultPath, char* filter) {
path = defaultPath;
strcpy(_filter, filter);
pathValid = std::filesystem::is_regular_file(path);
strcpy(strPath, path.c_str());
}
void FileSelect::render(std::string id) {
#ifdef _WIN32
float menuColumnWidth = ImGui::GetContentRegionAvailWidth();
float buttonWidth = ImGui::CalcTextSize("...").x + 20.0f;
bool lastPathValid = pathValid;
if (!lastPathValid) {
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.0f, 0.0f, 1.0f));
}
ImGui::SetNextItemWidth(menuColumnWidth - buttonWidth);
if (ImGui::InputText(id.c_str(), strPath, 2047)) {
path = std::string(strPath);
std::string expandedPath = expandString(strPath);
if (!std::filesystem::is_regular_file(expandedPath)) {
pathValid = false;
}
else {
pathValid = true;
_pathChanged = true;
}
}
if (!lastPathValid) {
ImGui::PopStyleColor();
}
ImGui::SameLine();
if (ImGui::Button(("..." + id + "_winselect").c_str(), ImVec2(buttonWidth - 8.0f, 0)) && !dialogOpen) {
dialogOpen = true;
if (workerThread.joinable()) { workerThread.join(); }
workerThread = std::thread(&FileSelect::windowsWorker, this);
}
#else
bool lastPathValid = pathValid;
if (!lastPathValid) {
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.0f, 0.0f, 0.0f, 1.0f));
}
if (ImGui::InputText(id.c_str(), strPath, 2047)) {
path = std::string(strPath);
std::string expandedPath = expandString(strPath);
if (!std::filesystem::is_regular_file(expandedPath)) {
pathValid = false;
}
else {
pathValid = true;
_pathChanged = true;
}
}
if (!lastPathValid) {
ImGui::PopStyleColor();
}
#endif
}
std::string FileSelect::expandString(std::string input) {
input = std::regex_replace(input, std::regex("%ROOT%"), options::opts.root);
return std::regex_replace(input, std::regex("//"), "/");
}
bool FileSelect::pathIsValid() {
return pathValid;
}
bool FileSelect::pathChanged() {
if (_pathChanged) {
_pathChanged = false;
return true;
}
return false;
}
#ifdef _WIN32
void FileSelect::windowsWorker() {
OPENFILENAMEA ofn; // common dialog box structure
char szFile[2048]; // buffer for file name
HWND hwnd; // owner window
HANDLE hf; // file handle
// Initialize OPENFILENAME
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = GetFocus();
ofn.lpstrFile = (LPSTR)szFile;
// Set lpstrFile[0] to '\0' so that GetOpenFileName does not
// use the contents of szFile to initialize itself.
ofn.lpstrFile[0] = '\0';
ofn.nMaxFile = sizeof(szFile);
ofn.lpstrFilter = (LPCSTR)_filter;
ofn.nFilterIndex = 1;
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_EXTENSIONDIFFERENT;
// Display the Open dialog box.
if (GetOpenFileNameA(&ofn)==TRUE) {
strcpy(strPath, szFile);
_pathChanged = true;
}
pathValid = std::filesystem::is_regular_file(strPath);
dialogOpen = false;
}
#endif

34
core/src/gui/widgets/file_select.h Normal file
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@ -0,0 +1,34 @@
#pragma once
#include <imgui.h>
#include <imgui_internal.h>
#include <stdint.h>
#include <string>
#ifdef _WIN32
#include <Windows.h>
#include <thread>
#endif
class FileSelect {
public:
FileSelect(std::string defaultPath, char* filter = "All\0*.*");
void render(std::string id);
bool pathIsValid();
bool pathChanged();
std::string expandString(std::string input);
std::string path = "";
private:
#ifdef _WIN32
void windowsWorker();
std::thread workerThread;
#endif
char _filter[2048];
bool pathValid = false;
bool dialogOpen = false;
char strPath[2048];
bool _pathChanged = false;
};

21
core/src/gui/widgets/scroll_behavior.h Normal file
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@ -0,0 +1,21 @@
#pragma once
#include <algorithm>
namespace ImGui {
template<class T>
inline bool AllowScrollwheel(T& value, int stepCount, T min, T max) {
if(!ImGui::IsItemHovered()) { return false; }
T lastVal = value;
T step = (max - min) / (T)stepCount;
value = std::clamp<T>(value + ((T)ImGui::GetIO().MouseWheel * step), (min < max) ? min : max, (max > min) ? max : min);
return (value != lastVal);
}
template<class T>
inline bool AllowScrollwheelStSz(T& value, T step, T min, T max) {
if(!ImGui::IsItemHovered()) { return false; }
T lastVal = value;
value = std::clamp<T>(value + ((T)ImGui::GetIO().MouseWheel * step), (min < max) ? min : max, (max > min) ? max : min);
return (value != lastVal);
}
}

4
core/src/gui/widgets/stepped_slider.cpp
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@ -1,6 +1,7 @@
#include <gui/widgets/stepped_slider.h>
#include <imgui.h>
#include <imgui_internal.h>
#include <gui/widgets/scroll_behavior.h>
namespace ImGui {
bool SliderFloatWithSteps(const char* label, float* v, float v_min, float v_max, float v_step, const char* display_format) {
@ -14,7 +15,8 @@ namespace ImGui {
// Map from [v_min,v_max] to [0,N]
const int countValues = int((v_max-v_min)/v_step);
int v_i = int((*v - v_min)/v_step);
const bool value_changed = ImGui::SliderInt(label, &v_i, 0, countValues, text_buf);
bool value_changed = ImGui::SliderInt(label, &v_i, 0, countValues, text_buf);
value_changed |= ImGui::AllowScrollwheelStSz<int>(v_i, 1, 0, countValues);
// Remap from [0,N] to [v_min,v_max]
*v = v_min + float(v_i) * v_step;

3
core/src/signal_path/sink.cpp
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@ -3,6 +3,7 @@
#include <imgui/imgui.h>
#include <gui/style.h>
#include <gui/icons.h>
#include <gui/widgets/scroll_behavior.h>
#include <core.h>
#define CONCAT(a, b) ((std::string(a) + b).c_str())
@ -216,7 +217,7 @@ void SinkManager::showVolumeSlider(std::string name, std::string prefix, float w
ImGui::SetNextItemWidth(width - height - 8);
ImGui::SetCursorPosY(ypos + ((height - sliderHeight) / 2.0f) + btwBorder);
if (ImGui::SliderFloat((prefix + name).c_str(), &stream->guiVolume, 0.0f, 1.0f, "")) {
if (ImGui::SliderFloat((prefix + name).c_str(), &stream->guiVolume, 0.0f, 1.0f, "") || ImGui::AllowScrollwheel<float>(stream->guiVolume, 20, 0, 1)) {
stream->setVolume(stream->guiVolume);
core::configManager.aquire();
saveStreamConfig(name);