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Add a wires-per-terminal limit, with an application master switch

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Discussion #1158: a real terminal takes one or two wires (four with
double ferrules), a folio report is a virtual point that carries one, but
QElectroTech lets any number of wires be connected anywhere.

Project properties > General gets a "Conducteurs par borne" group:
- the most wires a terminal may take (0, the default, is no limit);
- "one wire per folio report".
When set, a new wire that would go past the limit is refused: the
terminal shows red while dragging, as for any refused link, and a tooltip
says why on release. Auto-connect on placing, moving or multi-pasting a
symbol skips full terminals, and qet.addConductor() refuses with its own
message. Wires already drawn, opening, pasting and undo are never
refused.

Settings > General gets a master switch, on by default, that turns every
rule of this feature off in every project; the project group is greyed
with a note while it is off.

The rules live in wiringrules.cpp. The project setting is saved as
<wiring_rules .../> only when a rule is on, so a project that never used
it saves exactly as before; an older version drops it, which means "off".

tst_wiringrules covers the rules, the save round trip and, through the
real binary, that a wire past the limit is refused unless the master
switch is off (checked to fail with the limit check removed).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015FPuYPS4T7QuEwjNu22rXD
This commit is contained in:
ispyisail
2026-10-03 21:42:12 +13:00
parent 6144da0f91
commit 20e134f2bd
15 changed files with 615 additions and 3 deletions
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sources/ui/configpage/generalconfigurationpage.cpp
+3
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@@ -27,6 +27,7 @@
#include "../../utils/qetutils.h"
#include "../../qetmessagebox.h"
#include "../../textgrid.h"
#include "../../wiringrules.h"
#include "../../editor/terminalnamecheck.h"
#include "../../ElementsCollection/qetlabelsfile.h"
#include "../prefixconfigurationdialog.h"
@@ -113,6 +114,7 @@ GeneralConfigurationPage::GeneralConfigurationPage(QWidget *parent) :
ui->m_use_windows_mode_rb->setChecked(true);
ui->m_zoom_out_beyond_folio->setChecked(settings.value("diagrameditor/zoom-out-beyond-of-folio", false).toBool());
ui->m_conductor_properties_panel->setChecked(settings.value("diagrameditor/conductor_properties_panel", false).toBool());
ui->m_wiring_rules_cb->setChecked(WiringRules::masterEnabled());
ui->m_use_gesture_trackpad->setChecked(settings.value("diagramview/gestures", false).toBool());
ui->m_save_label_paste->setChecked(settings.value("diagramcommands/erase-label-on-copy", true).toBool());
ui->m_enable_scripting->setChecked(QetSettings::scriptingEnabled());
@@ -334,6 +336,7 @@ void GeneralConfigurationPage::applyConf()
settings.setValue("diagrameditor/highlight-integrated-elements", ui->m_highlight_integrated_elements->isChecked());
settings.setValue("diagrameditor/zoom-out-beyond-of-folio", ui->m_zoom_out_beyond_folio->isChecked());
settings.setValue("diagrameditor/conductor_properties_panel", ui->m_conductor_properties_panel->isChecked());
WiringRules::setMasterEnabled(ui->m_wiring_rules_cb->isChecked());
settings.setValue("diagrameditor/autosave-interval", ui->m_autosave_sb->value());
settings.setValue("diagrameditor/grid_display_startup", ui->grid_startup_cb->isChecked());