Martino FerrariandClaude Opus 4.6
54d7f63f35
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
89 lines
4.4 KiB
C++
89 lines
4.4 KiB
C++
// SPDX-License-Identifier: MIT
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#include "shortcuts.hpp"
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#include <gdk/gdk.h>
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namespace udpscope {
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namespace {
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/// Bare letters are toggles, Ctrl is for files and windows. Nothing here shadows a key the
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/// plot's own controller handles ('+', '-', 'f', the arrows, Escape).
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constexpr Accel kAccels[] = {
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{GDK_KEY_space, 0, AppAction::PauseToggle, "space", "Pause or resume the display",
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"Acquisition"},
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{GDK_KEY_a, 0, AppAction::TriggerArm, "a", "Arm or disarm the trigger", "Acquisition"},
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{GDK_KEY_t, 0, AppAction::TriggerPanel, "t", "Enable or disable trigger mode", "Acquisition"},
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{GDK_KEY_c, 0, AppAction::CursorsPane, "c", "Enable or disable the cursors", "Panes and editors"},
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{GDK_KEY_m, 0, AppAction::ShowMeasure, "m", "Go to Measure", "Panes and editors"},
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{GDK_KEY_g, 0, AppAction::ShowSignals, "g", "Go to Signals", "Panes and editors"},
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{GDK_KEY_l, 0, AppAction::LayoutEditor, "l", "Show or hide the layout editor",
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"Panes and editors"},
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{GDK_KEY_s, 0, AppAction::SidePanel, "s", "Show or hide the dock",
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"Panes and editors"},
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{GDK_KEY_e, GDK_CONTROL_MASK, AppAction::Export, "<Control>e",
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"Export the visible range", "Files and windows"},
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{GDK_KEY_F1, 0, AppAction::Help, "F1", "Open the documentation", "Files and windows"},
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{GDK_KEY_slash, GDK_CONTROL_MASK, AppAction::Shortcuts, "<Control>slash",
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"Open this shortcut overview", "Files and windows"},
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{GDK_KEY_t, GDK_CONTROL_MASK, AppAction::GuidedTour, "<Control>t",
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"Start the guided tour", "Files and windows"},
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{GDK_KEY_h, GDK_CONTROL_MASK, AppAction::ContextualHelp, "<Control>h",
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"Turn the contextual help on or off", "Files and windows"},
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{GDK_KEY_q, GDK_CONTROL_MASK, AppAction::Quit, "<Control>q", "Quit udpscope",
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"Files and windows"},
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};
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constexpr int kAccelCount = static_cast<int>(sizeof(kAccels) / sizeof(kAccels[0]));
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/// The plot's own interactions, documentation only. The keyboard's modifiers are not the
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/// wheel's: '+' is shift+'=' on common layouts, so Shift could not mean anything there.
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///
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/// A space-separated accelerator is the two-key alternative form the shortcut label draws
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/// as `+ / -`. The mouse rows carry no accelerator at all: neither GTK's accelerator syntax nor
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/// libadwaita's knows a wheel or a drag, and asking either to parse "Wheel" is a parse warning and an
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/// empty cell. The overview draws them from `src/ui/shortcuts.ui`, which gives each one GTK's generic
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/// gesture type and an icon where the keycaps would be. That file is the *presentation*; this table is
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/// what the application handles, which is why `[help]`'s `ui=` is checked against `tables=`.
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constexpr Gesture kGestures[] = {
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{"plus minus", "", "Zoom in or out, both axes", "Plot keyboard"},
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{"<Control>plus <Control>minus", "", "Zoom the time axis only", "Plot keyboard"},
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{"<Alt>plus <Alt>minus", "", "Zoom the value axis only", "Plot keyboard"},
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{"Left Right", "", "Pan along time", "Plot keyboard"},
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{"Up Down", "", "Pan along values", "Plot keyboard"},
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{"f", "", "Fit the view to the data", "Plot keyboard"},
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{"Escape", "", "Cancel the gesture in progress", "Plot keyboard"},
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{"", "Wheel", "Zoom about the pointer, both axes", "Plot mouse"},
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{"", "Shift and wheel", "Zoom the time axis only", "Plot mouse"},
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{"", "Ctrl and wheel", "Zoom the value axis only", "Plot mouse"},
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{"", "Drag", "Pan", "Plot mouse"},
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{"", "Ctrl and drag", "Box zoom on time", "Plot mouse"},
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{"", "Alt and drag", "Box zoom on values", "Plot mouse"},
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{"", "Shift and drag", "Box zoom on time and values", "Plot mouse"},
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};
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constexpr int kGestureCount = static_cast<int>(sizeof(kGestures) / sizeof(kGestures[0]));
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/// The only modifiers a table row may require. Lock, Num-Lock and the pointer buttons all
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/// arrive in the same mask and must be masked out or no row ever matches.
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constexpr unsigned kModMask = GDK_CONTROL_MASK | GDK_SHIFT_MASK | GDK_ALT_MASK;
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} // namespace
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const Accel* app_accels(int* count) {
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if (count != nullptr) *count = kAccelCount;
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return kAccels;
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}
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const Gesture* plot_gestures(int* count) {
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if (count != nullptr) *count = kGestureCount;
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return kGestures;
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}
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const Accel* find_accel(unsigned keyval, unsigned mods) {
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const unsigned wanted = mods & kModMask;
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for (const Accel& accel : kAccels) {
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if (accel.keyval == keyval && accel.mods == wanted) return &accel;
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}
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return nullptr;
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}
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} // namespace udpscope
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